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Roller Bearings（Specifications：Abrasion Resistant）
Roller bearings are utilized in various applications across different industries due to their ability to support radial and axial loads efficiently. Some common uses include Industrial Machinery, Automotive, Medical Equipment, and so on. When selecting roller bearings, it is crucial to consider factors such as Inner Diameter, Outer Diameter, Load Direction, Type of roller bearing (e.g. Needle Roller, Self-Aligning, Cylindrical Roller, and so on), material, and so on. These considerations are vital to ensure the production of high-quality products. We highly recommend reputable brands like MISUMI, NTN, and NSK for their quality and reliability. Additionally, cost-effective options from MISUMI ECONOMY are available for those seeking economical solutions. Take advantage of the convenience of free shipping and no minimum order when purchasing roller bearings. If you have any doubts or require assistance in choosing the right product, our experts are readily available to assist.
Configure
Specification/Dimensions
-
Inner Dia. d(Ø)
- 3
- 4
- 5
- 6
- 6.35
- 7
- 7.925
- 8
- 9
- 9.525
- 10
- 12
- 12.7
- 12.700(1/2)
- 13
- 14
- 14.288
- 15
- 15.875
- 16
- 17
- 17.462
- 18
- 19
- 19.05
- 19.050(3/4)
- 20
- 20.638
- 21
- 21.430
- 21.986
- 22
- 22.225
- 22.225(7/8)
- 24
- 25
- 25.4
- 26
- 28
- 29
- 30
- 31.75
- 31.750(1 1/4)
- 32
- 34.925
- 34.925(1 3/8)
- 35
- 37
- 38
- 38.1
- 38.100(1 1/2)
- 40
- 41.275
- 41.275(1 5/8)
- 42
- 43
- 44.450(1 3/4)
- 45
- 47
- 48
- 50
- 50.8
- 50.800(2)
- 52
- 55
- 57
- 57.15
- 58
- 60
- 61
- 62
- 63
- 63.5
- 65
- 67
- 68
- 69.850(2 3/4)
- 70
- 72
- 73
- 75
- 77
- 80
- 82
- 82.550(3 1/4)
- 85
- 87
- 90
- 92
- 95
- 95.250
- 100
- 102
- 105
- 110
- 112
- 115
- 120
- 122
- 125
- 130
- 132
- 135
- 140
- 142
- 145
- 150
- 152
- 155
- 160
- 162
- 165
- 170
- 175
- 180
- 185
- 190
- 195
- 200
- 205
- 210
- 220
- 225
- 240
- 245
- 250
- 260
- 265
- 280
- 285
- 290
- 300
- 305
- 320
- 330
- 340
- 360
- 370
- 380
- 400
- 420
- 460
- 480
-
Outer Dia. D(Ø)
- 6
- 6.5
- 7
- 8
- 9
- 10
- 11
- 12
- 13
- 14
- 14.288
- 15
- 16
- 17
- 17.450
- 17.462(11/16)
- 18
- 19
- 19.05
- 20
- 20.625
- 20.638
- 21
- 22
- 23
- 23.812
- 24
- 25
- 25.4
- 26
- 26.988
- 27
- 28
- 28.575
- 29
- 30
- 30.162
- 31
- 31.75
- 31.750(1 1/4)
- 32
- 33
- 33.338
- 34
- 34.925
- 34.925(1 3/8)
- 35
- 36
- 36.500
- 37
- 38
- 38.1
- 38.100(1 1/2)
- 39
- 40
- 41
- 42
- 43
- 44
- 44.45
- 44.450(1 3/4)
- 45
- 45.237
- 45.974
- 46
- 47
- 47.625
- 47.625(1 7/8)
- 48
- 49
- 49.200
- 50
- 50.005
- 51
- 52
- 52.375
- 52.388(2 1/16)
- 53
- 54
- 55
- 55.550
- 55.562(2 3/16)
- 56
- 57
- 58
- 58.738(2 5/16)
- 59
- 60
- 60.325(2 3/8)
- 61
- 62
- 63
- 64
- 65
- 65.088
- 65.088(2 9/16)
- 66
- 66.5
- 67
- 68
- 70
- 71.5
- 72
- 73
- 73.025
- 74
- 75
- 76
- 76.2
- 77
- 78
- 79
- 80
- 81
- 82
- 82.55
- 83
- 85
- 86
- 88
- 88.900(3 1/2)
- 89
- 90
- 92
- 93.264
- 95
- 98
- 100
- 102
- 105
- 107
- 107.950(4 1/4)
- 108
- 110
- 112
- 115
- 117
- 117.475
- 120
- 125
- 127
- 130
- 135
- 137
- 140
- 145
- 150
- 153
- 155
- 160
- 163
- 165
- 170
- 173
- 175
- 178
- 180
- 185
- 187
- 188
- 190
- 197
- 200
- 210
- 215
- 220
- 225
- 230
- 240
- 250
- 260
- 270
- 280
- 290
- 300
- 310
- 320
- 340
- 350
- 360
- 370
- 380
- 400
- 420
- 440
- 460
- 480
- 500
- 520
- 540
- 560
- 580
- 600
- 620
- 650
- 700
- 760
-
Raceway Ring Shape
- Angular Contact Ball
- Cylindrical Roller
- Needle Roller
- Cone Roller
- Self-Aligning Roller
- Complex Shape Roller
- One-Way Clutch
-
Load Direction
- Radial
- Thrust
-
Width B(mm)
- 1
- 1.984
- 2
- 2.5
- 2.75
- 2.87~3.00
- 3
- 3.175
- 3.5
- 3.584
- 4
- 4.25
- 4.5
- 4.75
- 5
- 5.184
- 5.25
- 5.5
- 5.75
- 6
- 6.25
- 6.5
- 7
- 7.5
- 8
- 8.25
- 8.384
- 8.5
- 9
- 9.5
- 10
- 10.5
- 11
- 11.5
- 11.75
- 12
- 12.5
- 12.7
- 12.700(1/2)
- 13
- 13.25
- 13.5
- 14
- 14.25
- 14.5
- 15
- 15.25
- 15.88
- 16
- 16.25
- 16.5
- 16.637
- 17
- 17.25
- 17.462
- 18
- 18.25
- 18.288
- 19
- 19.05
- 19.05(3/4)
- 19.25
- 19.75
- 20
- 20.25
- 20.75
- 21
- 21.25
- 21.75
- 22
- 22.22
- 22.25
- 22.75
- 23
- 23.75
- 24
- 24.25
- 24.75
- 25
- 25.25
- 25.4
- 25.40(1)
- 25.400(1)
- 25.650
- 26
- 26.25
- 26.75
- 27
- 27.25
- 28
- 28.25
- 28.75
- 29
- 29.25
- 29.75
- 30
- 30.302
- 30.5
- 31
- 31.5
- 31.75
- 31.75(1 1/4)
- 32
- 32.5
- 32.75
- 33
- 33.25
- 33.5
- 34
- 34.1
- 34.5
- 35
- 35.25
- 36
- 37
- 38
- 38.25
- 38.5
- 39
- 40
- 41
- 42
- 42.25
- 42.5
- 43
- 43.5
- 43.75
- 44
- 44.45(1 3/4)
- 44.5
- 45
- 45.5
- 45.75
- 46
- 46.5
- 47
- 48
- 48.5
- 49
- 49.5
- 50
- 51
- 51.5
- 52
- 52.4
- 53
- 53.5
- 54
- 54.5
- 55
- 56
- 56.5
- 57
- 58
- 59
- 59.5
- 60
- 60.4
- 60.5
- 61
- 61.5
- 62
- 63
- 63.5
- 63.75
- 64
- 65
- 66
- 67
- 67.5
- 67.75
- 68
- 69
- 69.8
- 70
- 71.5
- 71.75
- 72
- 73
- 74
- 75
- 76
- 77
- 77.5
- 78
- 79
- 80
- 81.5
- 82
- 83
- 84
- 84.5
- 85
- 86
- 87
- 88
- 89
- 90
- 90.5
- 91
- 92
- 93
- 94
- 95
- 96
- 97
- 98
- 98.75
- 100
- 102
- 103
- 104
- 106
- 107
- 107.75
- 108
- 109
- 110
- 112
- 114
- 115
- 118
- 120
- 121
- 122
- 126
- 127
- 128
- 130
- 132
- 133
- 134
- 135
- 136
- 137
- 138
- 140
- 144
- 145
- 146
- 148
- 150
- 153
- 155
- 160
- 165
- 170
- 174
- 175
- 176
- 180
- 188
- 190
- 192
- 194
- 200
- 208
- 218
- 224
- 232
- 240
- 340
-
Outer Ring
- With Outer Ring
- W/o Outer Ring
-
Number of Raceway Ring Rows
-
Inner/Outer Ring Material
- Steel
- Stainless Steel
-
Specifications
-
Outer Ring Type
-
Precision (JIS)
- Class 0
- Class 4
- Class 5
-
Rolling Element Material
-
Size Standards
Brand |
|
|---|---|
Filter By |
|
| CAD |
|
| Days to Ship |
|
- 24 items
- Sort By
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Machined Type Needle Roller Bearing
IKO
Bearing with a low sectional height and large load rating. The outer ring has high rigidity and can easily be used even for light alloy housings.From: ฿ 100.00 Special Price Days to Ship: 
Same day
Same day
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Until 31/03/2025
Until 31/03/2025Shell Type Needle Roller Bearing
IKO
Lightweight bearings with large load ratings. They employ a shell type outer ring made from a thin special steel plate which is precisely drawn, carburized and quenched, thus providing the lowest sectional height among the needle roller bearings.From: ฿ 204.87 Special Price Days to Ship:
Same day
Same day
-
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Until 31/03/2025
Until 31/03/2025Machined Type Needle Roller Bearing Without Inner Ring
IKO
[Features]
· If the inscribed circle diameter, Fw, of TAF bearings is 26 mm or less, there is no oil hole.
· All others have an oil groove and one oil hole in the outer ring.
· Not filled with grease.
· Perform proper lubrication for useFrom: ฿ 382.85 Special Price Days to Ship:
Same day
Same day
-
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Until 31/03/2025
Until 31/03/2025Combined Type Needle Roller Bearing
IKO
[Features]
· Combined type needle roller bearings can be subjected to radial load and axial load simultaneously.
[Uses]
· Widely used for machine tools, industrial machines, etc.From: ฿ 100.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
IKO
[Features]
· Has superior allowable load and durability than a ball bearing because line runs tangential to the raceway.From: ฿ 966.49 Days to Ship:
Same day
Same day
-
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Until 31/03/2025
Until 31/03/2025Needle Roller Bearing with Separable Cage
IKO
[Features]
· "N" is added to the end of the identification number for bearings with embedded synthetic resin cages.
· RNAF does not have an oil hole.
· RNAFW has an oil groove and one oil hole in the outer ring.
· Not filled with grease.
· Perform proper lubrication for useFrom: ฿ 337.49 Special Price Days to Ship:
Same day
Same day
-
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Needle Roller Bearing - Separable Cage, Without Inner Ring, RNAF Series
IKO
In this series, IKO needle roller bearings are combined with thrust roller bearings to receive thrust loads. Their axial load ratings are greater than those of bearings that are combined with thrust ball bearings. Also, plastic deformation of the rolling contact surfaces under load is minimal. Furthermore, the thrust bearing section is finished to high accuracy, and therefore high rotational accuracy is obtained in the case of both vertical and horizontal shafts.
Like the needle roller bearings with thrust ball bearing, this series also includes bearings with a dust cover and bearings with an inner ring.From: ฿ 100.00 Days to Ship:
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-
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Needle Roller Bearing - With Inner Ring, Machined, NA49 Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
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Quote
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Needle Roller Bearing - With Inner Ring, Machined, NA69 Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
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Quote
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You can add up to 6 items per a category to the compare list.
Needle Roller Bearing - With Inner Ring, Machined, NA48 Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
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Slim Type Crossed Roller Bearing
IKO
Crossed roller bearings are designed for high-precision applications, offering advantages such as increased accuracy, rigidity, and weight-bearing capacity for linear motion.
[Feature]
● Outer Diameter (D) (mm): 66
● Inner Diameter (d) (mm): 50
● Load Direction : Radial / Thrust
● Shield Shape : Closed and Open
[Application]
Crossed roller bearings are commonly used in automation machines systemFrom: ฿ 100.00 Days to Ship:
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Cylindrical Roller Bearing - Full Complement, NAG Series
IKO
IKO Machined Type Needle Roller Bearings have an outer ring made by machining, heat treatment, and grinding. The outer ring has stable high rigidity and can be easily used even for light alloy housings.
These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 1,716.67 Days to Ship:
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Roller Bearing - Caged, NAU Series
IKO
IKO Machined Type Needle Roller Bearings have an outer ring made by machining, heat treatment, and grinding. The outer ring has stable high rigidity and can be easily used even for light alloy housings.
These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
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Quote
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Needle Roller Bearing - Shell Type, TA Series
IKO
IKO Machined Type Needle Roller Bearings have an outer ring made by machining, heat treatment, and grinding. The outer ring has stable high rigidity and can be easily used even for light alloy housings.
These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 733.33 Days to Ship:
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Needle Roller Bearing - Without Inner Ring, Machined, RNA48 Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
Quote
Quote
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Needle Roller Bearing - Sealed Both Sides, With Inner Ring, Machined, NA69 Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
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Quote
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Needle Roller Bearing - Sealed Both Sides, With Inner Ring, Machined, NA49 Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
Quote
Quote
-
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Cylindrical Roller Bearing - Sealed, Full Complement, NA Series
IKO
IKO Machined Type Needle Roller Bearings have an outer ring made by machining, heat treatment, and grinding. The outer ring has stable high rigidity and can be easily used even for light alloy housings.
These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
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Quote
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Roller Bearing - Caged, TRU Series
IKO
IKO Machined Type Needle Roller Bearings have an outer ring made by machining, heat treatment, and grinding. The outer ring has stable high rigidity and can be easily used even for light alloy housings.
These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
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Quote
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Slim Crossed Roller Bearing - Open, Caged, CRBS Series
IKO
IKO Machined Type Needle Roller Bearings have an outer ring made by machining, heat treatment, and grinding. The outer ring has stable high rigidity and can be easily used even for light alloy housings.
These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
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Needle Roller Bearing - Without Inner Ring, Machined, TR Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
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Quote
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You can add up to 6 items per a category to the compare list.
Needle Roller Bearing - Without Inner Ring, Machined, TAF Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
Quote
Quote
-
You can add up to 6 items per a category to the compare list.
Needle Roller Bearing - Without Inner Ring, Machined, RNA49 Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
Quote
Quote
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You can add up to 6 items per a category to the compare list.
Needle Roller Bearing - Without Inner Ring, Machined, GTR Series
IKO
IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.From: ฿ 100.00 Days to Ship:
Quote
Quote
| Brand |
|---|
| Product Series |
| CAD |
| From |
| Days to Ship |
| Inner Dia. d(Ø) |
| Outer Dia. D(Ø) |
| Raceway Ring Shape |
| Load Direction |
| Width B(mm) |
| Outer Ring |
| Number of Raceway Ring Rows |
| Inner/Outer Ring Material |
| Specifications |
| Outer Ring Type |
| Precision (JIS) |
| Rolling Element Material |
| Size Standards |
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| Product Series | Needle Roller Bearing - Separable Cage, Without Inner Ring, RNAF Series | Needle Roller Bearing - With Inner Ring, Machined, NA49 Series | Needle Roller Bearing - With Inner Ring, Machined, NA69 Series | Needle Roller Bearing - With Inner Ring, Machined, NA48 Series | Needle Roller Bearing - Without Inner Ring, Machined, RNA48 Series | Needle Roller Bearing - Sealed Both Sides, With Inner Ring, Machined, NA69 Series | Needle Roller Bearing - Sealed Both Sides, With Inner Ring, Machined, NA49 Series | Cylindrical Roller Bearing - Sealed, Full Complement, NA Series | Needle Roller Bearing - Without Inner Ring, Machined, TR Series | Needle Roller Bearing - Without Inner Ring, Machined, TAF Series | Needle Roller Bearing - Without Inner Ring, Machined, RNA49 Series | Needle Roller Bearing - Without Inner Ring, Machined, GTR Series | ||||||||||||
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| From | ฿ 100.00 Special Price On Sale Until 31/03/2025 | ฿ 204.87 Special Price On Sale Until 31/03/2025 | ฿ 382.85 Special Price On Sale Until 31/03/2025 | ฿ 100.00 Special Price On Sale Until 31/03/2025 | ฿ 966.49 | ฿ 337.49 Special Price On Sale Until 31/03/2025 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 1,716.67 | ฿ 100.00 | ฿ 733.33 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 | ฿ 100.00 |
| Days to Ship | Same day | Same day | Same day | Same day | Same day | Same day | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote | Quote |
| Inner Dia. d(Ø) | 5 ～ 220 | 4 ～ 70 | 5 ～ 225 | 7 ～ 70 | 10 ～ 140 | 5 ～ 90 | 25 ～ 60 | 260 | 80 | 130 | 50 | 17 | 17 ～ 55 | 60 | 130 ～ 175 | 80 | 90 | 20 ～ 120 | 20 ～ 55 | 50 | 62 | 90 ～ 100 | 60 ～ 135 | 20 ～ 50 |
| Outer Dia. D(Ø) | 13 ～ 300 | 8 ～ 82 | 10 ～ 280 | 19 ～ 100 | 22 ～ 190 | 10 ～ 110 | 35 ～ 78 | 360 | 110 | 165 | 66 | 34 | 30 ～ 80 | 72 | 150 ～ 200 | 110 | 125 | 38 ～ 165 | 38 ～ 81 | 66 | 81 | 110 ～ 120 | 75 ～ 165 | 33 ～ 64 |
| Raceway Ring Shape | Needle Roller | Needle Roller | Needle Roller | Complex Shape Roller | Cylindrical Roller | Needle Roller | Needle Roller | Needle Roller | Needle Roller | Needle Roller | Cylindrical Roller | Cylindrical Roller | Cylindrical Roller | Needle Roller | Needle Roller | Needle Roller | Needle Roller | Cylindrical Roller | Cylindrical Roller | Cylindrical Roller | Needle Roller | Needle Roller | Needle Roller | Needle Roller |
| Load Direction | Radial | Radial | Radial | Radial / Thrust | Radial / Thrust | Radial | Radial | Radial | Radial | Radial | Radial / Thrust | Radial / Thrust | Radial / Thrust | Radial | Radial | Radial | Radial | Radial / Thrust | Radial / Thrust | Radial / Thrust | Radial | Radial | Radial | Radial |
| Width B(mm) | 10 ～ 80 | 8 ～ 50 | 10 ～ 80 | 18 ～ 45 | 13 ～ 67 | 8 ～ 60 | 26 ～ 40 | 100 | 54 | 35 | 8 | 25 | 13 ～ 25 | 50 | 30 ～ 40 | 55 | 36 | 20 ～ 45 | 20 ～ 45 | 8 | 38 | 35 ～ 36 | 22 ～ 45 | 20 ～ 30 |
| Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring | With Outer Ring |
| Number of Raceway Ring Rows | Single Row / Double Row | Single Row / Double Row | Single Row / Double Row | Double Row | Double Row | Single Row / Double Row | Double Row | Single Row | Double Row | Single Row | Single Row | Double Row | Double Row | Double Row | Single Row | Double Row | Single Row | Double Row | Double Row | Single Row | Single Row | Single Row | Single Row | Single Row |
| Inner/Outer Ring Material | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel |
| Specifications | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant | Abrasion Resistant |
| Outer Ring Type | With Semicircular Groove | Flat | With Semicircular Groove | With Semicircular Groove | Flat / With Semicircular Groove / With Retaining Ring Grooves | Flat / With Semicircular Groove | With Semicircular Groove | With Semicircular Groove | With Semicircular Groove | With Semicircular Groove | Flat | With Semicircular Groove | Flat / With Semicircular Groove | Flat | With Semicircular Groove | With Semicircular Groove | With Semicircular Groove | With Semicircular Groove | With Semicircular Groove | Flat | With Semicircular Groove | With Semicircular Groove | With Semicircular Groove | With Semicircular Groove |
| Precision (JIS) | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Rolling Element Material | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel |
| Size Standards | Metric System / Inch System | Metric System / Inch System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System |
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Related Categories to Roller Bearings
FAQ Roller Bearings
- Question: What are the different types of roller bearings?
- Answer: The different types of roller bearings are:
1. Cylindrical Roller Bearings: Suitable for moderate-speed operations with high radial-load capacity and moderate thrust loads.
2. Spherical Roller Bearings: Designed to carry heavy axial and radial loads at high speeds, even with misalignment or shaft deflection. Available with cylindrical or tapered bores.
3. Needle Roller Bearings: Feature thin, long rollers for high radial load capacities in limited space and high-speed rotational applications.
4. Tapered Roller Bearings: Support radial and thrust loads, commonly used in automotive wheel hubs, gearboxes, and industrial equipment. Available in inch and metric sizes. These bearings find applications in various industries, including heavy equipment, machinery and manufacturing. - Question: What are the advantages of using roller bearings?
- Answer: Here are some Advantages of roller bearings:
1. Reduced friction for lower starting and running friction, except at very high speeds.
2. Ability to withstand momentary shock loads.
3. Accurate shaft alignment.
4. Low manufacturing cost.
5. Moderate lubricant requirements and low friction.
6. Capability to support both radial and axial loads.
7. Long bearing life.
8. Suitable for mass production with stable quality.
9. Can support combined radial and thrust loads simultaneously. - Question: How do I choose the right roller bearing for my application?
- Answer: Here are some steps to guide you in selecting the appropriate bearing:
1. Load Requirements: Understand the magnitude and direction of the load to determine the appropriate load capacity.
2. Speed: Consider the rotational speed of the application to ensure it aligns with the bearing's capabilities.
3. Environmental Conditions: Evaluate temperature, humidity, and exposure to contaminants to select a bearing that can withstand the operating environment.
4. Bearing Type: Choose from various types like cylindrical, spherical, needle, or tapered roller bearings based on load, speed, and operating conditions.
5. Bearing Material: Select suitable materials such as stainless steel, chrome steel, ceramic, or plastic, considering load, speed, temperature, and environmental factors.
6. Lubrication Needs: Determine lubrication requirements, including type, viscosity, and replenishment intervals, to ensure smooth operation and longevity.
7. Special Features or Requirements: Consider any specific features like seals, shields, precision tolerances, or coatings needed for your application. - Question: Can roller bearings handle axial loads?
- Answer: Yes, Roller bearings can indeed handle axial loads, though most are designed primarily for radial loads. Certain designs, such as cylindrical roller bearings with flanges on both inner and outer rings, and axial spherical roller bearings, are capable of supporting axial loads. However, roller bearings generally have lower axial load capacities compared to radial loads.
- Question: How do I maintain and lubricate roller bearings?
- Answer: The guidelines for maintaining and lubricating roller bearings effectively including
1. Selection of Lubricant: Choose lubricant based on application and environment, such as mineral oil, synthetic oil, or greases like lithium soap or polyalphaolefin.
2. Lubrication Techniques: Utilize methods such as oil drip feed or grease lubrication.
3. Lubrication Schedule: Establish a schedule based on application and environmental factors and regularly inspect bearings for wear and adjust the schedule accordingly.
4. Monitoring Performance: Regularly monitor for signs of issues such as increased vibration, excessive heat, lubricant loss, or contamination and address any problems promptly to prevent premature bearing failure. - Question: What are the signs of roller bearing failure?
- Answer: Signs of roller bearing failure include excessive vibration, increased temperature, noise, lubricant contamination, and friction. Initial indicators often begin with abnormal vibration, progressing to elevated temperature and noise. Contaminated lubricants exacerbate friction, leading to heat generation and eventual failure.
- Question: How long do roller bearings typically last?
- Answer: The lifespan of roller bearings is determined by factors like rotations or operating hours, with fatigue symptoms indicating failure. The L10 life, representing the hours or rotations before 90% of bearings fail, estimates bearing life. Ratings are based on hours at a set speed, influenced by load, speed, lubrication, and conditions. Average roller bearing life is usually 4 to 5 times the L10 life, potentially longer under favorable conditions.
- Question: Can roller bearings be used in extreme temperatures?
- Answer: Roller bearings have differing temperature thresholds depending on their design, lubrication, and operational conditions. Traditional bearings can typically function in temperatures up to 149°C, while specialized high-temperature bearings can endure temperatures up to 450°C. However, excessive heat can decrease efficiency, induce wear and expansion, and compromise seals or grease. It's vital to select appropriate bearings and lubricants tailored to specific applications and environmental conditions to ensure optimal performance and longevity.
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