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MISUMI Keyless Bushing (Fastening Fittings)
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Body Material
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Allowable Torque Range(N•m)
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Centering
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Surface Treatment
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Tightening Structure
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Tightening Method
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Allowable Torque(N•m)
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Cleaning Method
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Characteristics/Applications
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Environmentally friendly
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RecommendedYou can add up to 6 items per a category to the compare list.
Keyless Bushings(Mechanical Lock), Straight With Centering Function
・ Product Type: Keyless Bushings (Mechanical Lock), Straight With Centering Function type
・ Easily and securely fixes shaft and coupling (pulley, sprocket, gear, etc.) with bolt tightening.
・ Bolt tightening force converts to surface pressure on inner and outer diameter sides, securing coupling and shaft.
・ Shaft Bore Diameter [mm]: 5, 8, 10, 12, 14, 15, 16, 19, 20, 22, 25, 30, 32, 35, 40, 42, 45, 50
・ Max. Allowable Torque Range: Up to 1768 N•m
・ This is an economy item; The price is cheaper than the MISUMI standard product.
From: ฿ 327.92 Days to Ship: 
Same day
Same day
-
RecommendedYou can add up to 6 items per a category to the compare list.
Keyless Bushings(Mechanical Lock), High Torque Straight
・ Product Type: Keyless Bushings (Mechanical Lock), High Torque Straight type
・ Easily and securely fixes shaft and coupling (pulley, sprocket, gear, etc.) with bolt tightening.
・ Bolt tightening force converts to surface pressure on inner and outer diameter sides, securing coupling and shaft.
・ Shaft Bore Diameter [mm]: 30, 35, 40, 45, 50
・ Max. Allowable Torque Range: Up to 3820 N•m
・ This is an economy item; The price is cheaper than the MISUMI standard product.
From: ฿ 719.48 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 31/03/2025MechaLock - Standard (Centering Function)
MISUMI
It comes in a wide variety of sizes, materials, and surface treatments, and has a centering function.From: ฿ 1,162.98 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 31/03/2025MISUMI
The maximum permissible torque is higher than the standard type, and it securely locks the shaft and hub.From: ฿ 1,142.51 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 31/03/2025MISUMI
Because the bolt is attached directly to the hub, the difference between the inside and outside diameters is small and the walls are thin. Can be attached to small hubs.From: ฿ 936.00 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.
Keyless Bushings(Mechanical Lock), Simplified Type
・ Product Type: Keyless Bushings (Mechanical Lock), Simplified Type
・ Easily and securely fixes shaft and coupling (pulley, sprocket, gear, etc.) with bolt tightening.
・ Bolt tightening force converts to surface pressure on inner and outer diameter sides, securing coupling and shaft.
・ Shaft Bore Diameter [mm]: 8, 9, 10, 12, 14, 15, 16, 19, 20, 22, 25, 30, 35
・ Max. Allowable Torque Range: Up to 790 N•m
・ This is an economy item; The price is cheaper than the MISUMI standard product.From: ฿ 250.65 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 31/03/2025MechaLock - Compact (Centering Function)
MISUMI
[Features]It has a centering function and is suitable for a smaller hub.From: ฿ 1,031.94 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.
Mechanical Lock, High Torque Transmission Type
MISUMI
By increasing the bolt size, it has excellent durability and is ideal for mechanisms that require high transmission power.From: ฿ 2,661.00 Days to Ship:
60 Day(s)
60 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 31/03/2025MechaLock - Easy Mounting (Nut)
MISUMI
[Features]It can be easily installed by simply tightening 1 nut.From: ฿ 1,322.68 Special Price Days to Ship:
Same day
Same day
-
Economy seriesYou can add up to 6 items per a category to the compare list.
Keyless Bushings(Mechanical Lock), Straight
・ Product Type: Keyless Bushings (Mechanical Lock), Straight type
・ Easily and securely fixes shaft and coupling (pulley, sprocket, gear, etc.) with bolt tightening.
・ Bolt tightening force converts to surface pressure on inner and outer diameter sides, securing coupling and shaft.
・ Shaft Bore Diameter [mm]: 19, 20, 22, 25, 30, 32, 35, 40, 50
・ Max. Allowable Torque Range: Up to 1870 N•m
・ This is an economy item; The price is cheaper than the MISUMI standard product.From: ฿ 322.08 Days to Ship:
Same day
Same day
-
Economy seriesYou can add up to 6 items per a category to the compare list.
Keyless Bushings(Mechanical Lock), Thin Type
Keyless 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]
● Shaft Bore Diameter Minimum/ Maximum (mm.) : 14 and 40
● Hub Diameter Minimum/ Maximum (mm.) : 25 and 48
● Outer Diameter Minimum/ Maximum (mm.) : 42 and 70
● Material : S45C
[Application]
Keyless Bushings are commonly used in various applications in factory automation systemsFrom: ฿ 262.99 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.
MechaLock - Straight for High Torque
MISUMI
The axial length has been extended compared to the straight type, allowing it to handle higher loads.From: ฿ 3,439.80 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.
![[Clean & Pack]MechaLock - Compact](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/110310858959/110310858959_001_20230911105917.jpg?$product_view_b$)
[Clean & Pack]MechaLock - Compact
MISUMI
Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.■Part Number for Clean & Pack Products· Degreasing (Anti-rust single packing) : Part Number SL-□□ · Precision cleaning (Degassing double packing) : Part Number SH-□□ · Electrolytic polishing + precision cleaning (Degassing double packing) : Part Number SHD-□□ Product Part Number Cleaning Method Packaging Type Effects Compared to Uncleaned Product Environment (Standard) Process SL-□□ Degreasing Anti-Rust Packing Oil removal General Environment Regular assembly process Post battery assembly process SH-□□ Precision Cleaning Degassing Double Packing Oil removal
Dust removalClean environment (Class 10 to 1,000) Battery assembly process LCD-related post assembly process In-vehicle camera assembly process SHD-□□ Electrolytic polishing + precision cleaning Degassing Double Packing Oil removal
Dust removal
Outgas reductionVacuum environment
Clean environment (Class 10 to 1,000)Pre-semiconductor process Liquid crystal deposition process Pre-OLED process ■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.[Features]Is provided with the Centering function and is suitable for combination use with small-sized hubs.
From: ฿ 2,873.68 Days to Ship:
8 Day(s)
8 Day(s)
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You can add up to 6 items per a category to the compare list.
![[Clean & Pack]MechaLock - Standard](//content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/110310859229/110310859229_001_20230911105917.jpg?$product_view_b$)
[Clean & Pack]MechaLock - Standard
MISUMI
Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.■Part Number for Clean & Pack Products· Degreasing (Anti-rust single packing) : Part Number SL-□□ · Precision cleaning (Degassing double packing) : Part Number SH-□□ · Electrolytic polishing + precision cleaning (Degassing double packing) : Part Number SHD-□□ Product Part Number Cleaning Method Packaging Type Effects Compared to Uncleaned Product Environment (Standard) Process SL-□□ Degreasing Anti-Rust Packing Oil removal General Environment Regular assembly process Post battery assembly process SH-□□ Precision Cleaning Degassing Double Packing Oil removal
Dust removalClean environment (Class 10 to 1,000) Battery assembly process LCD-related post assembly process In-vehicle camera assembly process SHD-□□ Electrolytic polishing + precision cleaning Degassing Double Packing Oil removal
Dust removal
Outgas reductionVacuum environment
Clean environment (Class 10 to 1,000)Pre-semiconductor process Liquid crystal deposition process Pre-OLED process ■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.From: ฿ 3,111.96 Days to Ship:
7 Day(s)
7 Day(s)
![[Clean & Pack]MechaLock - Compact](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/110310858959/110310858959_001_20230911105917.jpg?$product_view_b$)
![[Clean & Pack]MechaLock - Standard](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_b/v1/p/jp/product/series/110310859229/110310859229_001_20230911105917.jpg?$product_view_b$)
| Brand |
|---|
| Product Series |
| CAD |
| From |
| Days to Ship |
| Type |
| Shaft Bore Dia. d(Ø) |
| Hub Dia.(Ø) |
| Body Material |
| Allowable Torque Range(N•m) |
| Centering |
| Surface Treatment |
| Tightening Structure |
| Tightening Method |
| Allowable Torque(N•m) |
| Cleaning Method |
| Characteristics/Applications |
| Environmentally friendly |
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 | 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.  | 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. ![[Clean & Pack]MechaLock - Compact](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_c/v1/p/jp/product/series/110310858959/110310858959_001_20230911105917.jpg?$product_view_c$) | You can add up to 6 items per a category to the compare list. ![[Clean & Pack]MechaLock - Standard](http://content.misumi-ec.com/image/upload/f_auto,q_auto,t_product_view_c/v1/p/jp/product/series/110310859229/110310859229_001_20230911105917.jpg?$product_view_c$) | |
| Brand | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | |||||
| Product Series | Keyless Bushings(Mechanical Lock), Straight With Centering Function | |||||||||||||
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| From | ฿ 327.92 | ฿ 719.48 | ฿ 1,162.98 Special Price On Sale Until 31/03/2025 | ฿ 1,142.51 Special Price On Sale Until 31/03/2025 | ฿ 936.00 Special Price On Sale Until 31/03/2025 | ฿ 250.65 | ฿ 1,031.94 Special Price On Sale Until 31/03/2025 | ฿ 2,661.00 | ฿ 1,322.68 Special Price On Sale Until 31/03/2025 | ฿ 322.08 | ฿ 262.99 | ฿ 3,439.80 | ฿ 2,873.68 | ฿ 3,111.96 |
| Days to Ship | Same day | Same day | Same day | Same day | Same day | Same day | Same day | 60 Day(s) | Same day | Same day | Same day | Same day | 8 Day(s) | 7 Day(s) |
| Type | Flanged | Straight | Flanged | Straight | Direct Mounting | Thin Wall | Thin Wall | Flanged | Nut Tightening | Straight | Direct Mounting | Straight | Thin Wall | Flanged |
| Shaft Bore Dia. d(Ø) | 5 ～ 50 | 30 ～ 50 | 5 ～ 70 | 20 ～ 65 | 5 ～ 30 | 8 ～ 35 | 5 ～ 50 | 28 ～ 60 | 8 ～ 35 | 19 ～ 50 | 14 ～ 40 | 30 ～ 65 | 5 ～ 50 | 5 ～ 50 |
| Hub Dia.(Ø) | 16 ～ 72 | 55 ～ 80 | 16 ～ 97 | 47 ～ 95 | 8 ～ 35 | 15 ～ 47 | 12 ～ 65 | 47 ～ 88 | 14 ～ 48 | 47 ～ 80 | 25 ～ 48 | 55 ～ 95 | 12 ～ 65 | 16 ～ 72 |
| Body Material | - | - | Steel / Stainless Steel | Steel | Steel | - | Steel / Stainless Steel | - | Steel | - | - | Steel | Stainless Steel | Stainless Steel |
| Allowable Torque Range(N•m) | 2.0~20.0 ～ 1000.1~3000.0 | 1000.1~3000.0 ～ 3000.1~10000.0 | 2.0~20.0 ～ 3000.1~10000.0 | 200.1~300.0 ～ 1000.1~3000.0 | 2.0~20.0 ～ 100.1~150.0 | 20.1~50.0 ～ 700.1~1000.0 | 2.0~20.0 ～ 1000.1~3000.0 | 300.1~500.0 ～ 1000.1~3000.0 | 20.1~50.0 ～ 300.1~500.0 | 200.1~300.0 ～ 1000.1~3000.0 | 50.1~70.0 ～ 300.1~500.0 | 1000.1~3000.0 ～ 3000.1~10000.0 | 2.0~20.0 ～ 500.1~700.0 | 2.0~20.0 ～ 700.1~1000.0 |
| Centering | Provided | None | Provided | None | None | Provided | Provided | Provided | None | None | None | None | Provided | Provided |
| Surface Treatment | None | None | None / Black Oxide / Electroless Nickel Plating | None / Electroless Nickel Plating | None | None | None / Electroless Nickel Plating | None | None / Black Oxide / Electroless Nickel Plating | - | None | None | None | None |
| Tightening Structure | Single Cone Type | Double Cone Type | Single Cone Type | Double Cone Type | Single Cone Type | Single Cone Type | Single Cone Type | Single Cone Type | Tapered Sleeve Type | Double Cone Type | Single Cone Type | Double Cone Type | Single Cone Type | Single Cone Type |
| Tightening Method | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) |
| Allowable Torque(N•m) | 10 ～ 1768 | 1193 ～ 3820 | 2.8 ～ 3400 | 300 ～ 2990 | 4.2 ～ 149 | 29 ～ 790 | 3 ～ 2120 | 490 ～ 2960 | 21 ～ 461 | 280 ～ 1870 | 64 ～ 420 | 1110 ～ 6400 | 3 ～ 690 | 2.8 ～ 754.3 |
| Cleaning Method | - | - | - | - | - | - | - | - | - | - | - | - | Degreasing / Precision Cleaning | Degreasing / Precision Cleaning |
| Characteristics/Applications | - | - | - | - | - | - | - | - | - | - | - | - | Clean washed | Clean washed |
| Environmentally friendly | - | - | - | - | - | - | - | - | - | - | - | - | RoHS Compliant (10 Substances) | RoHS Compliant (10 Substances) |
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Related Categories to Keyless Bushing (Fastening Fittings)
FAQ Keyless Bushing (Fastening Fittings)
- Question: What is a Keyless Bushing and how does it work?
- Answer: A Keyless Bushing is a mechanical component used for fastening fittings, providing a secure connection between shafts and hubs without the need for traditional keys. It utilizes frictional forces to securely grip the shaft and hub, ensuring a backlash-free fit.
- Question: What are the benefits of using Keyless Bushings?
- Answer: Keyless Bushings offer several advantages, including simplified installation without the need for keyways, reduced maintenance time and costs, and enhanced reliability due to their secure locking mechanisms. They also provide precise and backlash-free shaft-to-hub connections.
- Question: How do I install a Keyless Bushing?
- Answer: Installing a Keyless Bushing is straightforward. Simply slide the bushing onto the shaft and tighten the locking screws to achieve a secure grip between the shaft and the hub. Detailed installation instructions can be found in the product manual.
- Question: Can Keyless Bushings be used in high-speed applications?
- Answer: Yes, Keyless Bushings are suitable for use in high-speed applications. They are engineered to provide secure and reliable shaft-to-hub connections even under high rotational speeds, ensuring smooth operation and minimal vibration.
- Question: What materials are Keyless Bushings made of?
- Answer: Keyless Bushings are typically made from high-quality materials such as stainless steel, carbon steel, or alloy steel. These materials offer excellent strength, durability, and corrosion resistance, ensuring long-term performance in various environments.
- Question: Are Keyless Bushings reusable?
- Answer: Yes, Keyless Bushings are reusable components. They can be easily removed from one application and installed in another, making them a cost-effective solution for multiple shaft-to-hub connections.
- Question: Do Keyless Bushings require lubrication?
- Answer: Keyless Bushings typically do not require lubrication for normal operation. However, applying a small amount of lubricant to the shaft before installation can help facilitate easier assembly and removal.
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