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Linear Bushings（Motion：Linear/Rotary）
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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- 19.050 (3/4")
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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
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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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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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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Linear Ball Bearing KH/KLM Type
NTN
[Features]
· A bearing in which 4 to 9 rows of balls are evenly arranged in the outer ring (outer cylinder), and the ball rows circulate in the axial direction while being guided by the retainer, and make infinite linear motion on the shaft.
· Rotating movement is not possible.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 31/03/2025Linear ball bushing with flange
MISUMI
Capable of a combination of rotary motion and finite linear motion (strokes shown in the specification table). Lengths for bushings with flanges attached are for the Single Type specification.From: ฿ 582.40 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 Ball Bushings - Single/Double - Flanged Single/Double
MISUMI
Linear Ball Bushings - Single/Double - Flanged Single/Double
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.): 5 and 20
● Overall Length Minimum/Maximum (mm.): 15 and 42
● Shape : Straight
● Ball Recirculating Type : Single or Double
● 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: ฿ 327.60 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.
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]
● Inner Diameter Minimum/Maximum (mm.) : 5 and 50
● Overall Length Minimum/Maximum (mm.) : 15 and 100
● Operating Temperature (℃) : -20 to 110
● Material
Housing and Ball - SUJ2 Equivalent
Retainer - 6063T5
[Application]
Bushings are commonly used in various applications in factory automation systemsFrom: ฿ 161.69 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 31/03/2025LM Stroke Bushing (Straight / No Seal) ST Type, ST-B Type
THK
Recommended for use with a hardened shaft and outer diameter tolerance (k5, m5, n5, p5).
[Features]
· For the ST type, the balls and ball cage are embedded on the inner side the of precision-ground outer cylinder.
· The balls are arranged in a staggered form so that the load can be equally distributed.
· The ball cage is a lightweight machined cage made out of a highly rigid light alloy that is capable of following high-speed motion to a good extent.
· A thrust ring and retainer ring are provided on both sides of the inner diameter of the outer cylinder to prevent overrun of the ball cage.
· With this structure, rotating, reciprocating and mixed motion can be achieved with a low coefficient of friction.
· The stroke length can be up to double the range of movement of the ball cage within the outer cylinder.
· Offers high-accuracy at a low price and so is used for a wide range of applications, including die sets for presses, the ink roll parts of printing machines, the chuck in punching press work, press feeders, the head for electric discharge machine work, correction devices on wind-up rolls, textile machines, strain measuring equipment, optical measuring device spindles, copiers, etc.
· Enables rolling with an extremely low coefficient of friction (μ = 0.0006 to 0.0012) due to the use of point contact with minimal rolling loss between the balls and ball rolling surface, and the separation of the balls within the ball cage.
· Because the cross-sectional profile is simply the combination of the thin-walled outer cylinder and the balls, the outer diameter of the bearing is small, allowing for lightweight and space-saving compact designs.
· The sliding parts can be manufactured at a low price and a high level of accuracy achieved.From: ฿ 236.00 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.
Round Flanged 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]
● Inner Diameter Minimum/Maximum (mm.) : 6 and 50
● Overall Length Minimum/Maximum (mm.) : 19 and 100
● Operating Temperature (℃) : -20 to 110
● Material
Housing and Ball - SUJ2 Equivalent
Retainer - 6063T5
[Application]
Round Flanged Bushings are commonly used in various applications in factory automation systemsFrom: ฿ 316.88 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 31/03/2025LM Stroke, Bushing (Straight / With Seal) ST-UU Type, ST-UUB Type
THK
Recommended for use with a hardened shaft and outer diameter tolerance (k5, m5, n5, p5).
[Features]
· [Extremely Low Coefficient of Friction] Enables rotation with extremely low coefficient of friction (μ = 0.0006 to 0.0012) due to least rolling loss at point contacts between the balls and ball rolling surface and separation of each ball within the ball cage.
· [Compact Design] As the cross-sectional shape is only a combination of the thin-walled outer cylinder and the balls, and the outer diameter of the bearing can be small, it is suitable for lightweight and space-saving compact designs.
· [High Accuracy and Low Price] The sliding parts can be manufactured at low costs and high-accuracy can be obtained.From: ฿ 307.00 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.
Compact Flanged 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]
● Inner Diameter Minimum/Maximum (mm.) : 6 and 50
● Overall Length Minimum/Maximum (mm.) : 19 and 100
● Operating Temperature (℃) : -20 to 110
● Material
Housing and Ball - SUJ2 Equivalent
Retainer - 6063T5
[Application]
Compact Flanged Bushings are commonly used in various applications in factory automation systemsFrom: ฿ 327.27 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.
IKO
Stroke Rotary Bushing
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.): 5 and 90
● Outer Diameter Minimum/Maximum (mm.): 10 and 120
● Overall Length Minimum/Maximum (mm.): 16 and 100
● Shape : Open Type
[Application]
It is used in industrial machinery such as conveyor systems, packaging machines, and robotic equipment.From: ฿ 100.00 Days to Ship:
6 Day(s)
6 Day(s)
| Brand |
|---|
| Product Series |
| CAD |
| From |
| Days to Ship |
| 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.  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.  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.  | |
| Brand | NTN | MISUMI | MISUMI | THK | THK | IKO | |||
| Product Series | Linear Ball Bushings - Single/Double - Flanged Single/Double | LM Stroke, Bushing (Straight / With Seal) ST-UU Type, ST-UUB Type | |||||||
| CAD |
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| From | ฿ 100.00 Special Price On Sale Until 31/03/2025 | ฿ 582.40 Special Price On Sale Until 31/03/2025 | ฿ 327.60 Special Price On Sale Until 31/03/2025 | ฿ 161.69 | ฿ 236.00 Special Price On Sale Until 31/03/2025 | ฿ 316.88 | ฿ 307.00 Special Price On Sale Until 31/03/2025 | ฿ 327.27 | ฿ 100.00 |
| Days to Ship | Same day | Same day | Same day | Same day | Same day | Same day | Same day | Same day | 6 Day(s) |
| Type | Straight | Flange | Straight | Straight | Straight | Flange | Straight | Flange | Straight |
| Inscribed Circle Dia. dr(Ø) | 4 ～ 50 | 6 ～ 20 | 5 ～ 20 | 5 ～ 50 | 6 ～ 100 | 6 ～ 50 | 8 ～ 100 | 6 ～ 50 | 5 ～ 90 |
| Overall Length L(mm) | 12 ～ 70 | - | - | 15 ～ 100 | 19 ～ 100 | 19 ～ 100 | 24 ～ 100 | 19 ～ 100 | 16 ～ 100 |
| Flange Type | - | Standard Flange | - | - | - | Standard Flange | - | Standard Flange | - |
| Style | - | Standard | Standard | Standard | - | - | - | - | - |
| Outer Cylinder Material | - | Steel | Steel / Stainless Steel | Steel | - | Steel | - | Steel | - |
| Outer Cylinder Surface Treatment | - | No Surface Treatment | No Surface Treatment | Surface Treatment | - | Surface Treatment | - | Surface Treatment | - |
| Outer Dia. D(Ø) | 8 ～ 62 | - | - | 10 ～ 72 | 12 ～ 130 | 12 ～ 72 | 15 ～ 130 | 12 ～ 72 | 10 ～ 120 |
| Lubrication Type | Not Provided | - | - | Not Provided | - | Not Provided | - | Not Provided | Not Provided |
| Accuracy | Standard Grade / Precision Grade | - | - | - | - | - | - | - | - |
| Ball Recirculating Type | Single | - | - | Single / Double | - | Single / Double | - | Single / Double | - |
| Motion | Linear/Rotary | Linear/Rotary | Linear/Rotary | Linear/Rotary | Linear/Rotary | Linear/Rotary | Linear/Rotary | Linear/Rotary | Linear/Rotary |
| Types | Standard | - | - | Standard | Standard | Flanged End | Standard | Flanged End | Open |
| Length | Standard | Standard / Double | Standard / Double | Standard / Double | - | Standard / Double | - | Standard / Double | - |
| Eccentricity(µm) | - | - | - | - | - | - | - | - | - |
| Flange Shape | - | - | - | - | - | - | - | - | - |
| Linear Motion / Rotational Motion | - | - | - | - | - | - | - | - | - |
| Basic Rated Load, Dynamic Rating | - | - | - | - | - | - | - | - | - |
Loading...
Related Categories to Linear Bushings
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- 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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