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Keyless Bushing (Fastening Fittings)（Surface Treatment：Black Oxide）
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
- 25
- 26
- 27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
- 37
- 38
- 39
- 40
- 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)
Brand |
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| CAD |
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| Days to Ship |
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- 3 items
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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 - Standard (Centering Function)
MISUMI
It comes in a wide variety of sizes, materials, and surface treatments, and has a centering function.From: ฿ 1,785.42 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 31/03/2025MechaLock - Easy Mounting (Nut)
MISUMI
[Features]It can be easily installed by simply tightening 1 nut.From: ฿ 2,014.74 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.
MIKI PULLEY
Simple and high-accuracy frictional joint fitting using the principle of Pascal.
[Features]
· The coupling between the shaft and the hub is realized by a hydro method using the principle of Pascal, and the shortcomings and difficulties caused by key connection are solved at once.
· The machining tolerance between the shaft and the hub is a general fit tolerance, and no special finishing is required. Positioning in both rotational and axial directions can be performed freely.
· Furthermore, the unique bolting of 1 hydro method greatly reduces the number of work steps.
· Because the concentricity is excellent at 0.02 mm, it is ideal for places where high-accuracy is required and the frequency of attachment and detachment is high.
· Operating space is not required because the structure is tightened from the radial direction.
[Applications]
· Used in machine tools, pumps, molding machines, printing machines, palletizing robots, various jigs and tools.From: ฿ 5,089.75 Days to Ship:
10 Day(s)
10 Day(s)
| 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.  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.  | |
| Brand | MISUMI | MISUMI | MIKI PULLEY |
| Product Series | |||
| CAD |
|
| |
| From | ฿ 1,785.42 Special Price On Sale Until 31/03/2025 | ฿ 2,014.74 Special Price On Sale Until 31/03/2025 | ฿ 5,089.75 |
| Days to Ship | Same day | Same day | 10 Day(s) |
| Type | Flanged | Nut Tightening | Hydraulic |
| Shaft Bore Dia. d(Ø) | 5 ～ 50 | 8 ～ 35 | 15 ～ 60 |
| Hub Dia.(Ø) | 16 ～ 72 | 14 ～ 48 | 18 ～ 73 |
| Body Material | Steel | Steel | Stainless Steel |
| Allowable Torque Range(N•m) | 2.0~20.0 ～ 1000.1~3000.0 | 20.1~50.0 ～ 300.1~500.0 | 20.1~50.0 ～ 3000.1~10000.0 |
| Centering | Provided | None | Provided |
| Surface Treatment | Black Oxide | Black Oxide | Black Oxide |
| Tightening Structure | Single Cone Type | Tapered Sleeve Type | - |
| Tightening Method | Mechanical Type (Wedge Type) | Mechanical Type (Wedge Type) | Hydraulic Type (Oil Hydraulic Type) |
| Allowable Torque(N•m) | 7 ～ 1500 | 21 ～ 323 | 46 ～ 3300 |
| Cleaning Method | - | - | - |
| Characteristics/Applications | - | - | - |
| Environmentally friendly | - | - | - |
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Application example related to this category
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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