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THK Linear Bushings（Motion：Linear）
THK offers products Linear Bushings specified by Motion Linear from Automation Components product category. There are a total of 22 items. Search and select detailed specifications of parts for your machine with free CAD downloads. THK products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.
Configure
Specification/Dimensions
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Environmentally friendly
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Inscribed Circle Dia. dr(Ø)
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Characteristics/Applications
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Overall Length L(mm)
- 10
- 12
- 13
- 15
- 16
- 17
- 18
- 19
- 19.050 (3/4")
- 20
- 22
- 23
- 24
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 35
- 36
- 37
- 38
- 39
- 40
- 41
- 41.275 (1-5/8")
- 42
- 43
- 44
- 45
- 46
- 47
- 48
- 49
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 57.150 (2-1/4")
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 64.5
- 65
- 66
- 67
- 67.3
- 67.5
- 68
- 69
- 70
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 81
- 82
- 83
- 84
- 85
- 86
- 88
- 90
- 91
- 92
- 93
- 94
- 95
- 96
- 97
- 98
- 99
- 100
- 102
- 102.3
- 102.5
- 103
- 105
- 106
- 108
- 109
- 110
- 111
- 112
- 114
- 115
- 118
- 120
- 121
- 122
- 123
- 124
- 125
- 128
- 129
- 130
- 131
- 132
- 133
- 134
- 135
- 136
- 138
- 140
- 141
- 142
- 144
- 145
- 148
- 150
- 151
- 153
- 154
- 155
- 155.5
- 156
- 158
- 160
- 165
- 167
- 170
- 175
- 176
- 177
- 178
- 180
- 182
- 184
- 185
- 187
- 190
- 192
- 193
- 199
- 200
- 202
- 209
- 211
- 215
- 220
- 224
- 230
- 240
- 243
- 244
- 250
- 300
- 310
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Flange Type
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Standard Flange -
Center Flanged -
Pilot Flanged
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Style
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Standard -
Open Type, Clearance Adjusting Type
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Outer Cylinder Material
- Steel
- Stainless Steel
- Aluminum
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Outer Cylinder Surface Treatment
- No Surface Treatment
- Surface Treatment
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Outer Dia. D(Ø)
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Lubrication Type
- Not Provided
- Grease coating
- With Lubrication Unit MX
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Accuracy
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Ball Recirculating Type
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Motion
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Types
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Length
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Eccentricity(µm)
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Flange Shape
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Round Flange
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Square Flange
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Compact Flange
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Round Flange
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Linear Motion / Rotational Motion
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Linear Bushing (Linear Motion Only)
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Linear Bushing (Linear Motion Only)
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Basic Rated Load, Dynamic Rating
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Cleaning Method
- Degreasing
- Precision Cleaning
- Electrolytic Polishing + Precision Cleaning
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Type
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- 22 items
- Sort By
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025THK
The most standard type of linear bushing.
[Features]
· Linear movement with minimum friction-resistance gives high-accuracy and smooth movement.
· The most standard type. Used widely.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.
Until 31/03/2025
Until 31/03/2025Linear Bushing LMF Type (Flanged Type / Round Type)
THK
Easy-to-mount flange type linear bushing.
[Features]
· Linear movement with minimum friction resistance gives high-accuracy and smooth movement.
· The outer cylinder and flange are integrated allowing direct fastening to the housing using bolts, making the mounting process easy.From: ฿ 333.33 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025THK
Case unit has standard-type linear bushing embedded in small lightweight aluminum case. Can be mounted by simply bolting to table.From: ฿ 414.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Linear Bushing LMF-L Type (Flange Type / Oval Type / Long Type)
THK
[Features]
· The outer cylinder and flange on the long-type linear bushing are integrated as a single-piece and can be directly fastened to the housing with bolts, making mounting simple.
· Has 2 incorporated standard type retainers, making it ideal for locations subject to moment loads.From: ฿ 793.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Linear Bushing LMH Type (Flange Type / Oval)
THK
The flange and outer cylinder are integrated as one and the flange is oval-shaped. This gives the core a lower height than the LMK type, allowing for more compact designs.
The ball raceways of the linear bushing are embedded so that loads from the flats are borne by the 2-raceways, improving the service lifespan of the product.From: ฿ 401.06 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Linear Bushing LMK Type (Rectangular Flange Type)
THK
Linear bushing enables compact design due to its low core height.
[Features]
· Linear movement with minimum friction resistance gives high-accuracy and smooth movement.
· Round flanges LMF type flanges are horizontally attached in 4 places.
· Lower core height than the round flange mount unit enables a compact design.From: ฿ 395.24 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025THK
Linear Bushing - LM-L Type
The linear bushing supports and guides a load, enabling smooth and accurate linear motion along a specified path. It provides a variety of sizes to choose from.
[Feature]
● Support Shaft Diameter Minimum/Maximum (mm.): 3 and 60
● Overall Length Minimum/Maximum (mm.): 19 and 211
● Shape : Straight
● Accuracy: High Grade and Precision Grade
● Material:
- Outer Cylinder - Stainless Steel and Iron
- Ball - Stainless Steel and Iron
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.From: ฿ 100.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025THK
[Features]
· The linear bushing has an outer diameter formed by the most accurate cylinder shape, and is used in a wide range of applications.
· It is part of the millimeter size series generally used in Europe.From: ฿ 100.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025THK
SC long type. The case unit has 2 standard type linear bushings embedded in an aluminum case.From: ฿ 1,112.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Linear Bushing LMK-L Type (Flange Type / Square Type / Long Type)
THK
Type with LMF-L model flange formed with 4 flat sections. Due to its lower core height than the round flange type, it can be used to create more compact machine designs.From: ฿ 891.00 Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
THK
The nut and shaft are sold separately. Use together with THK bushing and shaft (LG, LG-S). Shaft end is unprocessed.
[Features]
· Due to the provision of 4 circular arc grooves (rolling grooves), the LG type does not require a rotation stopper mechanism in an outer cylinder.
· Also, the rated load is greatly improved comparing to the linear bushing LM type of the same size.
· Hence, by replacing the linear bushing with a guide ball bushing, a more compact form, lower cost and longer lifespan can be achieved.
· Rated load higher than linear bushing: The LG type supports more than twice the rated load than the point-contact linear bushing LM type, because the ball's contact structure is R-contact with the circular arc groove.
· No need to stop rotation due to rolling grooves: Since the LG type has circular arc grooves, the rotation stop mechanism is not required for the linear bushing LM type, and the equipment can be made more compact.
· Dimensional compatibility with linear bushing LM type: The LG type is the same in length as the outer diameter of the linear bushing LM type and the outer cylinder, so it is possible to replace the linear bushing LM type.
· Nuts and shafts are set-free (free combination): LG type has free combination of LG nut and LG shaft, similar to the linear bushing.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.
Until 31/03/2025
Until 31/03/2025Linear Bushing LMH-L Type (Flange Type / Oval / Long)
THK
The flange is oval shaped, the core height is lower than the LMK-L, and hence the design is compact.
With 2 standard type retainers embedded, this product is ideal for sites subject to moment loads.
The ball raceways of the linear bushing are embedded so that loads from the flats are borne by the 2-raceways,
improving the service lifespan of the product.From: ฿ 835.98 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Linear bushing LM-GA type (metal retainer type)
THK
Linear bushing LM-GA type (metal retainer type)
The linear bushing supports and guides a load, enabling smooth and accurate linear motion along a specified path. It provides a variety of sizes to choose from.
[Feature]
● Support Shaft Diameter Minimum/Maximum (mm.): 6 and 120
● Overall Length Minimum/Maximum (mm.): 17 and 200
● Accuracy : High Grade and Precision Grade
● Types : Standard, Open Type and Clearance adjusting shape
● Operating Temperature Max (℃): 80 or 100 (depend on product code)
● Retainer : Metal
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.From: ฿ 100.00 Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025THK
SH long type. The case unit has 2 standard type linear bushings embedded in an aluminum case.From: ฿ 1,124.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Linear Bushing LM-MG Model (Stainless Steel Type)
THK
[Features]
· The linear bushing has an outer diameter formed by the most accurate cylinder shape, and is used in a wide range of applications.
· LM type stainless steel series.From: ฿ 100.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Linear Bushing LMF-ML Type (Flange Type, Round, Long, Stainless Steel)
THK
[Features]
· The outer cylinder and flange on the long-type linear bushing are integrated as a single-piece and can be directly fastened to the housing with bolts, making mounting simple.
· Has 2 incorporated standard type retainers, making it ideal for locations subject to moment loads.From: ฿ 1,432.00 Days to Ship:
5 Day(s)
5 Day(s)
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025THK
Case unit is based on LM case unit SC-type with standard linear bushing embedded in small lightweight aluminum case. Compared to the SC type, this type is more suited for compact designs. Any mounting direction is acceptable and lifetime performance is enhanced due to 2 races of load-bearing balls on the case upper face.From: ฿ 670.00 Special Price Days to Ship:
Same day
Same day
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You can add up to 6 items per a category to the compare list.
Linear Bushing LMF-M Model (Flange Type, Round, Stainless Steel)
THK
[Features]
· The flange and outer cylinder of the standard-type linear bushing are integrated and can be directly fastened to the housing by a bolt, making the mounting process easy.From: ฿ 793.00 Days to Ship:
3 Day(s)
3 Day(s)
-
You can add up to 6 items per a category to the compare list.
Linear Bushing LMI/LMI-L Models (Pilot Flange Type)
THK
Easy-to-mount pilot flange type linear bushing .
[Features]
· Linear movement with minimum friction resistance gives high-accuracy and smooth movement.
· Since the spigot joint is short, the linear bushing does not easily protrude to the opposite side, and excellent space on the opposite side of installation is achieved.
· The LMI-L type incorporates 2 standard type retainers. The product is ideal for sites subject to moment loads.From: ฿ 252.00 Days to Ship:
3 Day(s)
3 Day(s)
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Linear Bushing LMK-ML Type (Flange Type / Square Shape / Long / Stainless Steel)
THK
Type with LMF-L model flange formed with 4 flat sections. Due to its lower core height than the round flange mount unit, it can be used to create more compact machine designs.From: ฿ 1,711.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Linear Bushing LMC-L Type (Center Flange Type)
THK
Linear bushing with flange placed in center.
[Features]
· Linear movement with minimum friction resistance enables high-accuracy and smooth movement.
· Since workpiece can be mounted near the center of the outer cylinder, the load and space are well balanced on both sides of the flange.
[Applications]
· Useful when you want the strokes to be equal on both sides.From: ฿ 488.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Linear Bushing LMK-M Type (Flange Shape, Square Shape, Stainless Type)
THK
Linear Bushing LMK-M Type (Flange Shape, Square Shape, Stainless Type)
The linear bushing supports and guides a load, enabling smooth and accurate linear motion along a specified path. It provides a variety of sizes to choose from.
[Feature]
● Support Shaft Diameter Minimum/Maximum (mm.): 6 and 30
● Overall Length Minimum/Maximum (mm.): 17 and 64
● Shape : Flange Shape, Square Shape
● Material:
- Outer Cylinder - Stainless Steel
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.From: ฿ 977.25 Special Price Days to Ship:
Same day
Same day
| Brand |
|---|
| Product Series |
| CAD |
| From |
| Days to Ship |
| Type |
| Environmentally friendly |
| Inscribed Circle Dia. dr(Ø) |
| Characteristics/Applications |
| Overall Length L(mm) |
| Flange Type |
| Style |
| Outer Cylinder Material |
| Outer Cylinder Surface Treatment |
| Outer Dia. D(Ø) |
| Lubrication Type |
| Accuracy |
| Ball Recirculating Type |
| Motion |
| Types |
| Length |
| Eccentricity(µm) |
| Flange Shape |
| Linear Motion / Rotational Motion |
| Basic Rated Load, Dynamic Rating |
| Cleaning Method |
You can add up to 6 items per a category to the compare list.  Until 31/03/2025   | You can add up to 6 items per a category to the compare list.  Until 31/03/2025   | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025   | You can add up to 6 items per a category to the compare list.  Until 31/03/2025     | You can add up to 6 items per a category to the compare list.  Until 31/03/2025     | You can add up to 6 items per a category to the compare list.  Until 31/03/2025   | You can add up to 6 items per a category to the compare list.  Until 31/03/2025   | You can add up to 6 items per a category to the compare list.  Until 31/03/2025    | 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.  Until 31/03/2025     | 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.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | 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.  Until 31/03/2025 | 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.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | |
| Brand | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK | THK |
| Product Series | Linear Bushing LMF-L Type (Flange Type / Oval Type / Long Type) | Linear Bushing LMK-L Type (Flange Type / Square Type / Long Type) | Linear Bushing LMF-ML Type (Flange Type, Round, Long, Stainless Steel) | Linear Bushing LMF-M Model (Flange Type, Round, Stainless Steel) | Linear Bushing LMK-ML Type (Flange Type / Square Shape / Long / Stainless Steel) | Linear Bushing LMK-M Type (Flange Shape, Square Shape, Stainless Type) | ||||||||||||||||
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| From | ฿ 100.00 Special Price On Sale Until 31/03/2025 | ฿ 333.33 Special Price On Sale Until 31/03/2025 | ฿ 414.00 Special Price On Sale Until 31/03/2025 | ฿ 793.00 Special Price On Sale Until 31/03/2025 | ฿ 401.06 Special Price On Sale Until 31/03/2025 | ฿ 395.24 Special Price On Sale Until 31/03/2025 | ฿ 100.00 Special Price On Sale Until 31/03/2025 | ฿ 100.00 Special Price On Sale Until 31/03/2025 | ฿ 1,112.00 Special Price On Sale Until 31/03/2025 | ฿ 891.00 | ฿ 100.00 | ฿ 835.98 Special Price On Sale Until 31/03/2025 | ฿ 100.00 | ฿ 1,124.00 Special Price On Sale Until 31/03/2025 | ฿ 100.00 Special Price On Sale Until 31/03/2025 | ฿ 1,432.00 | ฿ 670.00 Special Price On Sale Until 31/03/2025 | ฿ 793.00 | ฿ 252.00 | ฿ 1,711.00 Special Price On Sale Until 31/03/2025 | ฿ 488.00 Special Price On Sale Until 31/03/2025 | ฿ 977.25 Special Price On Sale Until 31/03/2025 |
| Days to Ship | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Quote | Same day | Same day | Same day | Same day | 5 Day(s) | Same day | 3 Day(s) | 3 Day(s) | Same day | Same day | Same day |
| Type | Straight | Flange | - | Flange | Flange | Flange | Straight | Straight | - | Flange | Straight | Flange | Straight | - | Straight | - | - | - | - | Flange | - | - |
| Environmentally friendly | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Inscribed Circle Dia. dr(Ø) | 3 ～ 60 | 6 ～ 60 | 6 ～ 50 | 6 ～ 60 | 6 ～ 30 | 6 ～ 60 | 3 ～ 60 | 5 ～ 80 | 6 ～ 30 | 6 ～ 60 | - | 6 ～ 30 | 6 ～ 120 | 3 ～ 20 | 3 ～ 40 | 6 ～ 30 | 3 ～ 20 | 6 ～ 30 | 6 ～ 25 | 6 ～ 30 | 6 ～ 25 | 6 ～ 30 |
| Characteristics/Applications | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Overall Length L(mm) | 10 ～ 110 | 17 ～ 110 | 25 ～ 110 | 35 ～ 211 | 19 ～ 64 | 17 ～ 110 | 19 ～ 211 | 22 ～ 165 | 48 ～ 140 | 35 ～ 211 | - | 35 ～ 123 | 17 ～ 200 | 23 ～ 86 | 10 ～ 80 | 35 ～ 123 | 13 ～ 44 | 17 ～ 64 | 24 ～ 112 | 35 ～ 123 | 35 ～ 112 | 17 ～ 64 |
| Flange Type | - | - | - | - | Standard Flange | Standard Flange | - | - | - | Standard Flange | - | Standard Flange | - | - | - | Standard Flange | - | Standard Flange | Pilot Flanged | Standard Flange | Center Flanged | Standard Flange |
| Style | Standard / Open Type, Clearance Adjusting Type | - | Standard | - | - | - | - | - | Standard | - | Standard | - | - | Standard | - | - | Standard | - | Standard | Standard | Standard | - |
| Outer Cylinder Material | Steel | Steel | Steel / Stainless Steel | Steel | Steel | Steel | Steel / Stainless Steel | Steel | Steel / Stainless Steel | Steel | - | Steel | Steel | Steel | Stainless Steel | Stainless Steel | Steel / Stainless Steel | Stainless Steel | Steel | Steel | Steel | Stainless Steel |
| Outer Cylinder Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | - | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment |
| Outer Dia. D(Ø) | 7 ～ 90 | 12 ～ 90 | - | 12 ～ 90 | 12 ～ 45 | 12 ～ 90 | 7 ～ 90 | 12 ～ 120 | - | 12 ～ 90 | - | 12 ～ 45 | 12 ～ 180 | - | 7 ～ 60 | 12 ～ 45 | - | 12 ～ 45 | 12 ～ 40 | 12 ～ 45 | 12 ～ 40 | 12 ～ 45 |
| Lubrication Type | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | - | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided |
| Accuracy | High Grade / Precision Grade | High Grade | High Grade | High Grade | High Grade | High Grade | High Grade / Precision Grade | High Grade | High Grade | High Grade | - | High Grade | High Grade / Precision Grade | High Grade | High Grade / Precision Grade | High Grade | High Grade | High Grade | - | High Grade | - | High Grade |
| Ball Recirculating Type | Single | Single | Single | Double | Single | Single | Double | Single | Double | Double | - | Double | Single | Double | Single | Double | Single | Single | Single / Double | Double | Double | Single |
| Motion | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear | Linear |
| Types | Standard / Open / Clearance Adjustment Type | Flanged End | Linear Bushing Housing Unit - Wide Blocks | Flanged End | Flanged End | Flanged End | Standard | Standard / Open / Clearance Adjustment Type | Linear Bushing Housing Unit - Wide Blocks | Flanged End | Related Components | Flanged End | Standard / Open / Clearance Adjustment Type | Housing Type | Standard / Open / Clearance Adjustment Type | Flanged End | Housing Type | Flanged End | Pilot with Flange | Flanged End | Center with Flange | Flanged End |
| Length | Standard | Standard | Standard | Long | Standard | Standard | Long | Standard | Long | Long | - | Long | Standard | Long | Standard | Long | Standard | Standard | Short / Long | Long | Long | Standard |
| Eccentricity(µm) | 4 ～ 25 | 12 ～ 25 | - | 15 ～ 25 | 12 ～ 15 | 12 ～ 25 | 10 ～ 25 | 12 ～ 20 | - | 15 ～ 25 | - | 15 ～ 20 | 8 ～ 30 | - | 4 ～ 20 | 15 ～ 20 | - | 12 ～ 15 | 12 ～ 20 | 15 ～ 20 | 12 ～ 15 | 12 ～ 15 |
| Flange Shape | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Linear Motion / Rotational Motion | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Basic Rated Load, Dynamic Rating | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Cleaning Method | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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Related Categories to Linear Bushings
FAQ Linear bushing
-
- Question: Which maker is the manufacturer of MISUMI Linear bushing?
- Answer: SURUGA Production Platform. Well-known product is XY Stage.
- Question: What is Linear bushing MX product？
- Answer: It is a product with lubrication unit MX.
Linear bushing with lubrication unit MX can realize the long term maintenance free, cost reduction and environment friendly, as well as reduce manufacturing steps because this product has already filled with grease. Please search on the keyword “Linear bushing with lubrication unit MX” for more details.
The following are some samples for this product:
Linear Bushings with Lubrication Unit MX - Single / Double / Flanged Single
Housing Units with Lubrication Unit MX - Wide Blocks - Question: Do I need to maintenance such as lubricating?
- Answer: Yes, no maintenance may shorten the service lifetime.
Maintenance methods: Apply grease at the inner side of Linear bushing before initial usage. Apply grease at the ball inside, then periodically apply every 6 months (※)
※In case of long moving distance, grease should be applied every 3 months, or every 1,000km if moving distance is over 1,000km. - Question: Is grease applied at the time of delivery?
- Answer: Except MX Lubrication Unit type, grease are not applied at the time of delivery.
MISUMI Linear Bushings are applied with Anti-rust Oil before shipment. Therefore, after de-greasing and drying, we recommend to apply grease before usage. - Question: Are grease available in your store?
- Answer: Yes.
Grease applied service also available with 3 types of grease as shown below:
• Standard grease (L type)
• Low dust generation grease (G type)
• Food grade grease (H type) - Question: Do you have any recommended grease?
- Answer: Lithium soap-based grease is recommended.
- Question: What is Food grade grease (H type)?
- Answer: It is the grease that suitable for lubrication in food, beverage, pharmaceutical processing, packing equipment, etc., and is H-1 certified by NSF.
- Question: Do you have any recommended specification for shaft?
- Answer: Yes.
We recommend to use in combination with a hardening shaft with g6 tolerance. - Question: Please explain how to calculate the service life time.
- Answer: Please see more details at “service life time calculation” in Linear bushing general information.
- Question: Between SUS440C equivalent and SUJ2 with electroless nickel plating material, which material is better for rust-preventive?
- Answer: SUJ2 with electroless nickel plating material.
Please see more details at Salt water spray test report. - Question: Between shaft and Linear bushing, which one will worn-out faster?
- Answer: In generally, Linear bushing will be worn out faster.
This is because Linear bushing contact to ball more frequently than shaft. - Question: What are the different types of linear bushings available?
- Answer: Linear bushings are used in various applications to provide smooth and precise linear motion. There are different types of linear bushings available, For examples:
1. Standard Linear Bushings: This linear bushings are common use in general-purpose in linear motion applications.
2. Closed Linear Bushings: These linear bushings have a sealed design for protection against contaminants.
3. Open Linear Bushings: These linear bushings do not have seals, suitable for easy maintenance and accessibility.
4. Adjustable Linear Bushings: These linear bushings allow for adjustable clearance or pre-load for fine-tuning.
5. Flanged Linear Bushings: Extended flange for added support and stability.
6.Self-Lubricating Linear Bushings: Require no external lubrication, maintenance-free operation. - Question: How does a linear bearing differ from a linear bushing?
- Answer: There are some examples of differences between Linear bearings and Linear bushings
1.Load Capacity
Linear bearings are often designed to handle higher loads compared to linear bushings. The presence of rolling elements in linear bearings distributes the load over a larger contact area, allowing them to support heavier loads.
2.Construction
-Linear bearings typically have a more complex construction, involving a carriage or housing and rolling elements like balls or rollers for example linear guide’s slide block
-Linear bushings have a simpler design, usually consisting of a cylindrical sleeve or some type of linear bushings have balls inside
3.Precision:
- Linear bearings are known for their high precision and accuracy, making them suitable for applications that require precise positioning and minimal play or backlash.
- Linear bushings can provide linear motion support but may have slightly lower precision compared to linear bearings.
4.Cost
- Linear bearings with their rolling elements and higher precision tend to be more expensive.
- Linear bushings are generally more cost-effective than linear bearings. - Question: What are the applications of linear bushings?
- Answer: Linear bushings have applications in various engineering fields, including:
- CNC machines : To guide the movement of axes such as the X, Y, and Z axes.
- Robotics for guiding robot arms and grippers.
- Industrial automation for assembly lines and material handling systems.
- 3D printers for accurate print head and build platform motion.
- Medical devices for controlled linear movement in surgical robots.
- Industrial machinery such as textile machines and printing presses. - Question: What factors should be considered when selecting a linear bushing?
- Answer: When selecting a linear bushing, several factors should be considered:
1. Load Capacity: Determine the maximum load the linear bushing will be subjected to. This includes both static and dynamic loads.
2. Accuracy Requirements: Consider the precision and accuracy needed for your application. Some linear bushings offer higher levels of precision, while others are more suitable for general-purpose applications.
3. Travel Speed: Evaluate the required speed of the linear motion. Higher speeds may require bushings with lower friction coefficients and smoother surfaces to minimize heat generation and wear.
4. Environmental Conditions: Take into account the operating environment such as temperature, humidity, dust, chemicals, and exposure to water or other fluids can affect the performance and durability of the bushing.
5. Mounting and Installation: Consider the ease of installation and compatibility with the mounting arrangement. Ensure that the selected bushing can be easily integrated into your system.
6. Maintenance and Lubrication: Determine the maintenance requirements and the availability of lubrication. Some linear bushings require periodic lubrication, while others are self-lubricating or maintenance-free.
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- Question: Do all of MISUMI Linear bushing compliance with RoHS?
- Answer: Yes. Please see more details in product page.
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- Question: Is it applicable with rotary motion?
- Answer: No.
The structure of Linear bushing is designed for linear motion. It may be damaged if used in rotary motion. - Question: Can shaft be used by repeating of insertion and removal?
- Answer: It is not suitable for repeated insertion and removal because balls may fall off or the retainer may be deformed.
Please align the core and gently install. - Question: Is it possible to use MISUMI Linear bushing in combination with other manufacturer’s shaft?
- Answer: Actually it is applicable, but we do not recommend.
MISUMI’s shafts are manufactured with extremely high accuracy, meanwhiles other manufacturers’ shafts may have variation on dimensional tolerances, dimensional accuracy, surface roughness, hardness level, etc.
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