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JTEKT KOYO Roller Bearings（Inner/Outer Ring Material：Steel）
JTEKT KOYO offers products Roller Bearings specified by Inner/Outer Ring Material Steel from Automation Components product category. There are a total of 6 items. Search and select detailed specifications of parts for your machine with free CAD downloads. JTEKT KOYO products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.
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 |
|
|---|---|
| CAD |
|
- 6 items
- Sort By
-
You can add up to 6 items per a category to the compare list.
Single Row Tapered Roller Bearing (Steel)
JTEKT KOYO
Designed so the tapered vertex of the track surfaces of the cone (inner ring) and cup (outer ring) and rollers converge at one point on the centerline of the bearing. Suitable for heavy load and impact load applications.From: ฿ 100.00 Days to Ship: 
16 Day(s)
16 Day(s)
-
You can add up to 6 items per a category to the compare list.
Thrust Bearings, Assemblies, Lathe
JTEKT KOYO
Needle rollers with small diameters are equally spaced by means of a retainer and purpose of these assemblies is to transmit a thrust load between 2 relatively rotating objects while greatly reducing friction. There are thrust lathes used as track surfaces, which can be supplied separately or integrated with the needle roller and cage assembly.From: ฿ 100.00 Days to Ship:
16 Day(s)
16 Day(s)
-
You can add up to 6 items per a category to the compare list.
Single Row Cylindrical Roller Bearing
JTEKT KOYO
[Features]
· The product has a high radial load capacity as the rollers and raceways are in a linear contact with each other, and is suitable for heavy radial and impact loading.
· Separable inner and outer rings make allow easy attachment and detachment of the bearings.From: ฿ 773.65 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
Combined Needle Roller Bearing
JTEKT KOYO
This is a bearing that integrates radial bearing (needle-shaped roller bearing) with thrust bearing (ball bearing or roller bearing).From: ฿ 100.00 Days to Ship:
Quote
Quote
-
You can add up to 6 items per a category to the compare list.
Shell Type Needle-Shaped Roller Bearings, HK Series
JTEKT KOYO
Designed to support radial load and reduce friction during rotation. Uses a pressed steel plate outer ring, and exhibits a high load carrying capacity in installation spaces having small cross-sectional area.From: ฿ 100.00 Days to Ship:
16 Day(s)
16 Day(s)
-
You can add up to 6 items per a category to the compare list.
Solid Type Needle Roller Bearing NK / RNA
JTEKT KOYO
The thick outer ring provides maximum load capacity and impact-resistance with a relatively small radial cross-sectional area.From: ฿ 1,347.00 Days to Ship:
20 Day(s)
20 Day(s)
| 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 |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | JTEKT KOYO | JTEKT KOYO | JTEKT KOYO | JTEKT KOYO | JTEKT KOYO | JTEKT KOYO |
| Product Series | ||||||
| CAD |
|
|
| |||
| From | ฿ 100.00 | ฿ 100.00 | ฿ 773.65 | ฿ 100.00 | ฿ 100.00 | ฿ 1,347.00 |
| Days to Ship | 16 Day(s) | 16 Day(s) | 5 Day(s) | Quote | 16 Day(s) | 20 Day(s) |
| Inner Dia. d(Ø) | 20 ～ 110 | 20 ～ 70 | 20 ～ 200 | 10 | 6 ～ 20 | 58 |
| Outer Dia. D(Ø) | 47 ～ 170 | 35 ～ 95 | 47 ～ 360 | 19 | 10 ～ 26 | 72 |
| Raceway Ring Shape | Cone Roller | Cylindrical Roller / Needle Roller | Cylindrical Roller | Complex Shape Roller | Needle Roller | Needle Roller |
| Load Direction | Radial | Thrust | Radial | Radial / Thrust | Radial | Radial |
| Width B(mm) | 15 ～ 38 | 1 ～ 5 | 14 ～ 68 | 23 | 8 ～ 16 | 22 |
| Outer Ring | - | - | - | - | - | - |
| Number of Raceway Ring Rows | Single Row | Single Row | Single Row | Double Row | Single Row | Single Row |
| Inner/Outer Ring Material | Steel | Steel | Steel | Steel | Steel | Steel |
| Specifications | Standard | Standard | Standard | Standard | Standard | Standard |
| Outer Ring Type | Flat | - | Flat | Flat | Flat | Flat |
| Precision (JIS) | Class 0 | - | Class 0 | Class 0 | Class 0 | Class 0 |
| Rolling Element Material | Steel | Steel | Steel | Steel | Steel | Steel |
| Size Standards | Metric System | Metric System | Metric System | Metric System | Metric System | Metric System |
Loading...
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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