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Keyless Bushing (Fastening Fittings)（Type：Straight）
An online store for keyless bushings (fastening fittings). In MISUMI's e-catalog, specifications and dimensions such as the shaft hole diameter, allowable torque, main body material, surface processing, boss diameter and delivery date can be selected in single clicks, making it easy to find the desired keyless bushing.
[What is a keyless bushing (fastening fitting)?]
A keyless bushing is a fastener that can fix shafts and hubs (gear, sprocket, pulley, etc.) without key grooving. By tightening the bolt, drag and friction force are generated in the tapered fitting part, causing it to fasten by the resultant force.
[What is a keyless bushing (fastening fitting)?]
A keyless bushing is a fastener that can fix shafts and hubs (gear, sprocket, pulley, etc.) without key grooving. By tightening the bolt, drag and friction force are generated in the tapered fitting part, causing it to fasten by the resultant force.
Configure
Specification/Dimensions
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Type
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Flanged -
Straight -
Nut Tightening -
Thin Wall -
Direct Mounting -
Sleeve -
Hydraulic
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Shaft Bore Dia. d(Ø)
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Hub Dia.(Ø)
- 8
- 9
- 11
- 12
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
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- 33
- 34
- 35
- 36
- 37
- 38
- 39
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- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 47.60
- 48
- 50
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 57.13
- 59
- 60
- 60.5
- 62
- 64
- 65
- 67
- 68
- 69.83
- 70
- 71
- 72
- 73
- 75
- 77
- 78
- 79
- 80
- 82
- 83
- 84
- 85
- 85.70
- 87
- 88
- 90
- 91
- 93
- 95
- 96
- 97
- 101
- 106
- 107.93
- 110
- 114
- 115
- 120
- 124
- 125
- 130
- 134
- 135
- 145
- 155
- 165
- 180
- 225
- 260
- 285
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Body Material
- Steel
- Stainless Steel
- Aluminum
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Allowable Torque Range(N•m)
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Centering
- Provided
- None
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Surface Treatment
- None
- Black Oxide
- Electroless Nickel Plating
- Anodize
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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
- Degreasing
- Precision Cleaning
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Characteristics/Applications
- Clean washed
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Environmentally friendly
- RoHS Compliant (10 Substances)
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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
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You can add up to 6 items per a category to the compare list.
TSUBAKIMOTO CHA
A keyless bushing (fastening joint) that connects the shaft and boss without using a key.
[Features]
·Strong fastening is possible just by tightening the tightening bolt.
·A general-purpose type that is easy to install and remove.
·Key processing, spline processing, press fitting, shrink fitting, etc. are not required at all.
·A wide variety of sizes are available, and it is also compatible with large diameter shafts.
·Selectable depending on the application.
·Stainless steel, electroless nickel plating, and inch sizes are also available.
[Applications]
·Ideal for timing pulleys, cams, etc. where fine angle adjustment is required.
·Convenient for places where it is necessary to put on and take off.
·Ideal for industrial printers, machine tools, etc.From: ฿ 100.00 Days to Ship:
5 Day(s)
5 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 31/03/2025MISUMI
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.
TSUBAKIMOTO
The AS series consists of five parts: tapered ring (A), tapered ring (B), outer ring, inner ring, and lock bolt
[Features]
· A strong connection can be achieved by tightening the lock bolt
· Easy assembly and disassembly by simply tightening or loosening the bolt. In assembly, hot press fit and key alignment troubles can be avoided
· A series of products with ideal structure and high reliability of couplings, with a large taper angle, easy to fix and disassemble
· The adoption of high-strength bolts contributes to reducing the number of products and assembly labor costs of other companies
· No need for key processing, spline processing, press processing, hot press processing, etc., reducing processing costsFrom: ฿ 1,753.33 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
EVERON
[Features]
● Shaft hole machining and QA machining not required.
● Conforms to new JIS key specifications.
[Applications]
● For connecting shafts to their appropriate pulleys.From: ฿ 374.00 Days to Ship:
5 Day(s)
5 Day(s)
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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
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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.
MIKI PULLEY
Shaft and mounting parts have a large allowable dimensions tolerance, and can be easily aligned and positioned. Can support heavy loads.
[Features]
· Tightening the clamping bolt moves the 2 taper rings in the shaft direction.
· At this time, the wedging action between both the inner ring and the outer ring against the taper surface produces force that pushes against the shaft and hub internal surface. This force completely connects the axis and shaft.
· The PSL-G has an even transmission ability due to its simple construction and strong components, and it can also cope with heavy loads.
· Short in shaft direction, does not take up more space than necessary.
· PSL-G-C (simple rust-proofing specification) is a simple rust proofing specification that involves applying electroless nickel plating to the main body.From: ฿ 1,813.78 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 31/03/2025KANA lock (cost performance product) KPL200 shape
KATAYAMA CHAIN
KPL200 is a dedicated KanaLock for shafts and bosses that require substantial transmission torque. Easy mounting. Applicable shaft diameter 19 mm to 70 mm.From: ฿ 645.00 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.
TSUBAKIMOTO
OLD : TSUBAKI E AND M
For large-capacity connections. Has transmission torque capacity approximately 1.5 to 3 times or greater of that of the AS series. Has a centering function, with excellent shaft concentricity when mounting a boss, which eliminates the need for a centering guide. The boss hole is straight and requires no machining. Integrated taper ring allows for easy handling with worrying about drops.From: ฿ 7,480.00 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
TSUBAKIMOTO CHA
For large-capacity connections. Has transmission torque capacity approximately 1.5 to 3 times or greater of that of the AS series. Has a centering function, with excellent shaft concentricity when mounting a boss, which eliminates the need for a centering guide. The boss hole is straight and requires no machining. Integrated taper ring allows for easy handling with worrying about drops.From: ฿ 100.00 Days to Ship:
10 Day(s)
10 Day(s)
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You can add up to 6 items per a category to the compare list.
From: ฿ 812.32 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 31/03/2025MIKI PULLEY
Shaft and mounting parts have a large allowable dimensions tolerance, and can be easily aligned and positioned. Medium load and lightweight type.
[Features]
· Tighten the clamping bolt to move the outer ring in the shaft direction.
· At this time, the wedge action on the tapered face with the inner ring creates a force that pushes the shaft and the hub inner face, which forces the shaft and the hub to be fully engaged.
· The PSL-D is designed for medium loading, with a small surface pressure and reduced installation diameter and weight.
· Short in shaft direction, does not take up more space than necessary.
· PSL-D-C is a simple rust proofing specification that involves applying electroless nickel plating to the main body.From: ฿ 2,511.30 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 MKT Rust-proof General Purpose Type - Electroless Nickel Plating Specifications
ISEL
No drag when connecting for easy removal. Electroless nickel plated product.From: ฿ 2,529.84 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.
Keyless Bushing, Straight Type
CAPT
Brand-name products provided by MISUMI-VONA are offered based on customers' needs that selected from products of Asian manufacturers carefully. Please select an item according to the user's various usage scenes. CAPT This company is developing domestic and foreign high-quality and inexpensive keyless bushing and sprockets. We are adopting not only more Chinese but also Japanese manufacturers.From: ฿ 721.94 Days to Ship:
51 Day(s)
51 Day(s)
| Brand |
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| Product Series |
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| 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.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  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.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | TSUBAKIMOTO CHA | MISUMI | TSUBAKIMOTO | EVERON | MISUMI | MIKI PULLEY | KATAYAMA CHAIN | TSUBAKIMOTO | TSUBAKIMOTO CHA | ISEL | MIKI PULLEY | ISEL | CAPT | ||
| Product Series | Mechanical MKT Rust-proof General Purpose Type - Electroless Nickel Plating Specifications | ||||||||||||||
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| From | ฿ 719.48 | ฿ 100.00 | ฿ 1,142.51 Special Price On Sale Until 31/03/2025 | ฿ 1,753.33 | ฿ 374.00 | ฿ 322.08 | ฿ 3,439.80 | ฿ 1,813.78 | ฿ 645.00 Special Price On Sale Until 31/03/2025 | ฿ 7,480.00 | ฿ 100.00 | ฿ 812.32 | ฿ 2,511.30 Special Price On Sale Until 31/03/2025 | ฿ 2,529.84 | ฿ 721.94 |
| Days to Ship | Same day | 5 Day(s) | Same day | 5 Day(s) | 5 Day(s) | Same day | Same day | Same day | Same day | 5 Day(s) | 10 Day(s) | Same day | Same day | Same day | 51 Day(s) |
| Type | Straight | Straight | Straight | Straight | Straight | Straight | Straight | Straight | Straight | Straight | Straight | Straight | Straight | Straight | Straight |
| Shaft Bore Dia. d(Ø) | 30 ～ 50 | 20 ～ 130 | 20 ～ 65 | 20 ～ 100 | 11 ～ 75 | 19 ～ 50 | 30 ～ 65 | 19 ～ 120 | 19 ～ 70 | 40 ～ 80 | 75 ～ 220 | 19 ～ 80 | 2 ～ 50 | 20 ～ 50 | 19 ～ 70 |
| Hub Dia.(Ø) | 55 ～ 80 | 47 ～ 180 | 47 ～ 95 | - | 47.6 ～ 107.93 | 47 ～ 80 | 55 ～ 95 | 47 ～ 165 | 47 ～ 110 | - | 115 ～ 285 | 47 ～ 120 | 16 ～ 80 | 47 ～ 80 | - |
| Body Material | - | Steel / Stainless Steel | Steel | Steel | Steel | - | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel | Steel |
| Allowable Torque Range(N•m) | 1000.1~3000.0 ～ 3000.1~10000.0 | 200.1~300.0 ～ 10000.1~300000.0 | 200.1~300.0 ～ 1000.1~3000.0 | 300.1~500.0 ～ 10000.1~300000.0 | - | 200.1~300.0 ～ 1000.1~3000.0 | 1000.1~3000.0 ～ 3000.1~10000.0 | 200.1~300.0 ～ 10000.1~300000.0 | 200.1~300.0 ～ 3000.1~10000.0 | 1000.1~3000.0 ～ 10000.1~300000.0 | 10000.1~300000.0 | 200.1~300.0 ～ 3000.1~10000.0 | 2.0~20.0 ～ 1000.1~3000.0 | 200.1~300.0 ～ 1000.1~3000.0 | - |
| Centering | None | None | None | None | None | None | None | - | None | Provided | Provided | None | - | None | None |
| Surface Treatment | None | None / Electroless Nickel Plating | None / Electroless Nickel Plating | None | None | - | None | None / Electroless Nickel Plating | None | None | None | None | None / Electroless Nickel Plating | Electroless Nickel Plating | None |
| Tightening Structure | Double Cone Type | Double Cone Type | Double Cone Type | Double Cone Type | Single Cone Type | Double Cone Type | Double Cone Type | Double Cone Type | Double Cone Type | Double Cone Type | Double Cone Type | Double Cone Type | Single Cone Type | Single Cone Type | Double 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) | Mechanical Type (Wedge Type) |
| Allowable Torque(N•m) | 1193 ～ 3820 | 294 ～ 20500 | 300 ～ 2990 | - | - | 280 ～ 1870 | 1110 ～ 6400 | 289 ～ 13500 | 270 ～ 5100 | - | 12300 ～ 183000 | 290 ～ 5500 | 6 ～ 1760 | 294 ～ 1775 | 240 ～ 4600 |
| Cleaning Method | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Characteristics/Applications | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Environmentally friendly | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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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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