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Linear Bushings（Length：Short）
Linear bushings, also known as slide bushings or linear ball bearings, provide vital functionality across various industries. Their use in machinery allows infinite linear motion, a feature leveraged in sectors from transportation and semiconductors to medical equipment and 3D printing.Industrial-grade linear bushing solutions are carefully designed to meet the rigorous demands of heavy machinery. These high-quality components deliver low friction, high accuracy, and seamless linear motion, proving their efficiency and durability. For small-scale projects, affordable linear bushing options are readily available, offering superior performance without compromising on quality.Heavy-duty machinery can benefit from durable linear bushings, specifically designed to resist wear and tear, ensuring consistent performance over time. Materials used for linear bushings include steel, brass, and plastic compounds, each with distinct advantages. Steel bushings offer high strength and durability, while plastic variants provide corrosion resistance and reduced friction.The types of linear bushings range from simple linear ball bearings to complex designs, tailored to fit specific application requirements. These bushings provide numerous benefits, including smooth, precise motion, high load capacity, superior durability, a wide range of motion, and ease of maintenance.Proper installation of linear bushings is key to optimal performance and increased longevity. This seemingly simple process demands precision and attention to detail to ensure correct alignment, preventing uneven wear and enhancing overall performance.
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Specification/Dimensions
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Inscribed Circle Dia. dr(Ø)
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Overall Length L(mm)
- 10
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- 15
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- 19.050 (3/4")
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- 57.150 (2-1/4")
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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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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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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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Until 31/03/2025
Until 31/03/2025MISUMI
Linear Bushings - Short
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 20
● Overall Length (mm.): 16, 20, 25, 30, and 35
● Shape : Short Type
● Material:
- Outer Cylinder - SUJ2 Equivalent or SUS440C Equivalent
- Ball - SUJ2 Equivalent or SUS440C Equivalent
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.From: ฿ 141.05 Special Price Days to Ship: 
Same day
Same day
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Economy seriesYou can add up to 6 items per a category to the compare list.
Linear Bushings Straight Short
Linear Bushings Straight Short
These Linear Bushings are an economy item, The price is cheaper than the MISUMI standard product.They offer a wide variety of sizes to choose from.
[Feature]
● Support Shaft Diameter (mm.): 6, 8, 10, 12, 13, 16, and 20
● Overall Length (mm.): 16, 20, 25, 30, and 35
● Shape : Straight
● Material:
- Housing - SUJ2 Equivalent
- Ball - SUJ2 Equivalent
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.From: ฿ 51.97 Days to Ship:
Same day
Same day
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Economy seriesYou can add up to 6 items per a category to the compare list.
![Linear Bushing - Standard, Short[RoHS Comliant]](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/t_misumi_wm/v1/p/jp/product/series/110310342539/110310342539_20230816170416.jpg?$product_view_b$)
Linear Bushing - Standard, Short[RoHS Comliant]
Linear Bushing are an economy item, The price is cheaper than the MISUMI standard product.They offer a wide variety of sizes to choose from.
RoHS10 compliant. Medium-precision linear bushing with relaxed O.D. tolerances such as I.D. and L dimension.
[Feature]
● Type : Short body
● Inner Diameter Minimum/Maximum (mm.) : 6 and 20
● Overall Length Minimum/Maximum (mm.) : 16 and 35
● Operating Temperature (℃) : －20 to 80
● Material
Housing and Ball - SUJ2 Equivalent
Retainer - Plastic
[Application]
Linear Bushing are commonly used in various applications in factory automation systemsFrom: ฿ 71.93 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
![Linear Bushing Compact Type [KKBH]](//th.misumi-ec.com/en/linked/material/mech/KBS1/PHOTO/221005197030.jpg?$product_view_b$)
Until 31/03/2025
Until 31/03/2025Linear Bushing Compact Type [KKBH]
KBS
This compact type linear bushing contributes to reducing size of device. Abundant variations are available for small shaft sizes. KBS, since its founding in 1995, has steadily built a market in China. The linear bushings, the company's leading products, have a top position in the Chinese market.From: ฿ 237.11 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 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)
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You can add up to 6 items per a category to the compare list.
Linear Bushing Housing CHW Type, Double, Compact, Aluminum Case
OZAK
[Features]
· CHW: Double type linear bearing with compact housing. Promotes space-saving through use of compact aluminum housing.
· MCHW: Rust-prevention type with high-level rust prevention and a more affordable price achieved through the use of stainless steel.
· UCHW: Ultra-long lifespan type incorporated with ultra bearing.
· UMCHW: Rust-prevention type with an ultra-long service lifespanFrom: ฿ 1,851.54 Days to Ship:
3 Day(s)
3 Day(s)
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You can add up to 6 items per a category to the compare list.
Maintenance-freelinear bushing housingCH-MF shapesinglecompactaluminum case
OZAK
[Features]
· CH-MF: Maintenance-free, compact housing linear bearing
· MCH-MF: Rust-proof type, with high-level rust-proofing and reduced cost achieved through use of stainless steel.
· Due to use of a special steel, leakage of grease to the exterior is substantially reduced and maintenance costs are drastically reduced. 3.7 times more durable than standard type.
· Promotes space saving through use of compact aluminum housing.
· UCH-MF/UMCH-MF: Ultra long life (U ultra) maintenance-free/rust-resistant type
· Use ultra long life (ultra) type to realize highest durability and extremely long life.From: ฿ 1,463.38 Days to Ship:
3 Day(s)
3 Day(s)
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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 Housing, CH Type, Single, Compact, Aluminum Case
OZAK
[Features]
· CH: Linear bearing with compact housing. Promotes space-saving through use of compact aluminum housing.
· MCH: A rust-prevention type with high-level rust-preventing properties and a more affordable price achieved through the use of stainless steel.
· UCH: Ultra-long lifespan type incorporated with ultra bearing.
· UMCH: A rust-prevention type with an ultra-long service lifespan.From: ฿ 1,082.41 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.
Maintenance-freelinear bushing housingCHW-MF shapedoublecompactaluminum case
OZAK
[Features]
· CHW-MF: Maintenance-free, compact housing, double type linear housing MCHW-MF: Rust-proof type
· Due to use of special steel, leakage of grease to the exterior is substantially reduced, enabling a drastic reduction in maintenance costs. 3.7 times more durable than standard type.
· Promotes space saving through use of compact aluminum housing.
· UCHW-MF/UMCHW-MF: Ultra long life (U ultra) maintenance-free/rust-resistant type
· Use ultra long life (ultra) type to realize highest durability and extremely long life.From: ฿ 2,587.53 Days to Ship:
8 Day(s)
8 Day(s)
![Linear Bushing - Standard, Short[RoHS Comliant]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/t_misumi_wm/v1/p/jp/product/series/110310342539/110310342539_20230816170416.jpg?$product_view_b$)
![Linear Bushing Compact Type [KKBH]](http://th.misumi-ec.com/en/linked/material/mech/KBS1/PHOTO/221005197030.jpg?$product_view_b$)
| Brand |
|---|
| Product Series |
| CAD |
| From |
| Days to Ship |
| Specifications |
| Type |
| Inscribed Circle Dia. dr(Ø) |
| 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 |
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. ![Linear Bushing - Standard, Short[RoHS Comliant]](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_c/t_misumi_wm/v1/p/jp/product/series/110310342539/110310342539_20230816170416.jpg?$product_view_c$) | You can add up to 6 items per a category to the compare list. ![Linear Bushing Compact Type [KKBH]](http://th.misumi-ec.com/en/linked/material/mech/KBS1/PHOTO/221005197030.jpg?$product_view_c$) 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.  | 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.  | |
| Brand | MISUMI | KBS | THK | OZAK | OZAK | OZAK | OZAK | ||
| Product Series | Linear Bushing Housing CHW Type, Double, Compact, Aluminum Case | Maintenance-freelinear bushing housingCH-MF shapesinglecompactaluminum case | Linear Bushing Housing, CH Type, Single, Compact, Aluminum Case | Maintenance-freelinear bushing housingCHW-MF shapedoublecompactaluminum case | |||||
| CAD |
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| From | ฿ 141.05 Special Price On Sale Until 31/03/2025 | ฿ 51.97 | ฿ 71.93 | ฿ 237.11 Special Price On Sale Until 31/03/2025 | ฿ 252.00 | ฿ 1,851.54 | ฿ 1,463.38 | ฿ 1,082.41 Special Price On Sale Until 31/03/2025 | ฿ 2,587.53 |
| Days to Ship | Same day | Same day | 3 Day(s) | Same day | 3 Day(s) | 3 Day(s) | 3 Day(s) | Same day | 8 Day(s) |
| Specifications | |||||||||
| Type | Straight | Straight | Straight | Straight | - | Housing | Housing | Housing | Housing |
| Inscribed Circle Dia. dr(Ø) | 6 ～ 20 | 6 ～ 20 | - | 6 ～ 50 | 8 ～ 25 | 6 ～ 40 | 6 ～ 30 | 6 ～ 40 | 6 ～ 30 |
| Overall Length L(mm) | 16 ～ 35 | 16 ～ 35 | 16 ～ 35 | 22 ～ 70 | 24 ～ 59 | 46 ～ 176 | 30 ～ 83 | 26 ～ 96 | 46 ～ 141 |
| Flange Type | - | - | - | - | Pilot Flanged | - | - | - | - |
| Style | Standard | Standard | - | Standard | Standard | Standard | Standard | Standard | Standard |
| Outer Cylinder Material | Steel / Stainless Steel | Steel | - | Steel | Steel | Aluminum | Aluminum | Aluminum | Aluminum |
| Outer Cylinder Surface Treatment | No Surface Treatment | No Surface Treatment | No Surface Treatment | Surface Treatment | No Surface Treatment | No Surface Treatment / Surface Treatment | No Surface Treatment / Surface Treatment | No Surface Treatment / Surface Treatment | No Surface Treatment / Surface Treatment |
| Outer Dia. D(Ø) | 12 ～ 32 | 12 ～ 32 | - | 12 ～ 62 | 15 ～ 40 | - | - | - | - |
| Lubrication Type | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided | Not Provided |
| Accuracy | High Grade | High Grade | High Grade | Standard Grade | - | High Grade | High Grade | High Grade | High Grade |
| Ball Recirculating Type | Single | Single | - | Single | Single | Double | Single | Single | Double |
| Motion | Linear | Linear | - | Linear | Linear | Linear | Linear | Linear | Linear |
| Types | Standard | Standard | Flanged End | Standard | Pilot with Flange | Housing Type | Housing Type | Housing Type | Housing Type |
| Length | Short | Short | Short | Short | Short | Short | Short | Short | Short |
| Eccentricity(µm) | 12 ～ 15 | 0.015 ～ 0.02 | 11 ～ 20 | - | 12 ～ 15 | - | - | - | - |
| Flange Shape | - | - | - | - | - | - | - | - | - |
| Linear Motion / Rotational Motion | - | - | Linear Bushing (Linear Motion Only) | - | - | - | - | - | - |
| Basic Rated Load, Dynamic Rating | - | - | - | - | - | - | - | - | - |
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Related Categories to Linear Bushings
-
- Linear Shafts
- Shaft Supports
- Shaft Collars
- Linear Bushings
- Ball Guides
- Spline Shaft
- Oil Free Bushings, Washers
- Oil Free Plates, Guide Rails
- Linear Guides
- Cable Carriers
- Ball Screw
- Support Units
- Lead Screws, Slide Screws
- Cross Roller
- Slide Packs, V Guides, Linear Rails
- Actuators
- Other Linear Motion Related Components
- Bellows
FAQ Linear bushing
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- 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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