# Fenner B401055 B-LOC B400 Keyless Bushing 55 mm Bore - MROSupply.com

***Fenner B401055 B-LOC B400 keyless bushing with 55 mm bore. The B400 series provides high torque transmission and precise concentricity for servo, encoder, and high-accuracy applications. Eliminates keyway machining, reduces backlash, and allows infinite axial adjustment. RoHS compliant.***



## Product details:

- Catalog number: B401055
- SKU: 817788
- Price: ***$69.67*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Fenner Industrial Motion](https://www.mrosupply.com/brands/fenner-industrial-motion/)
- Category: 
    - [Screw Locking](htts://www.mrosupply.com/bushings/keyless-bushings/screw-locking/)
    - [Keyless Bushings](htts://www.mrosupply.com/bushings/keyless-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 1.400 lb
- Technicall support: contact supplier for technical support on 800 243 3374


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Axial Movement: No
  

  
- Bore Diameter: 55 mm
  

  
- Bore tolerance: 85.08
  

  
- Component Bore Diameter: 85mm
  

  
- Finish: Oil Dipped
  

  
- Hub Contact Pressure: 164 N/sq-mm
  

  
- Hub Diameter: 153 mm
  

  
- Hub Pressure: 164
  

  
- Installation torque: 35 Nm
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- O.D.: 85 mm
  

  
- Overall Length: 32 mm
  

  
- Releasing/ Locking: Releasing
  

  
- Screw size: M8 x 22
  

  
- Self-Centering: No
  

  
- Series: B400
  

  
- Shaft diameter: 55mm
  

  
- Shaft Tolerance: 54.92
  

  
- Taper: Double
  

  
- Thrust: 105083
  

  
- Torque Transmission: 2889
  

  
- Transmissible Thrust: 105083 N
  

  
- Transmissible Torque: 2889 N-m
  
## Product documents / software:

- [CAD model](https://documents.mrosupply.com/product_documents/81/77/817788/fenner_B401055_u8Up7Me.stp)
## Suggested products:
- [Fenner B121055 B-LOC B112 keyless bushing with 55 mm bore. Heavy-duty internal locking device for high-torque applications, providing concentric clamping without keyways. Allows infinite axial and angular adjustment for industrial shaft-to-hub connections.](https://www.mrosupply.com/products/817654/as-markdown/)
- [Fenner 6202900UP Trantorque GT keyless bushing with 55 mm bore. Self-contained single-nut installation eliminates keyway machining for sprockets, sheaves, and pulleys. Zinc-plated steel construction provides corrosion resistance. Infinite axial adjustment and high concentricity.](https://www.mrosupply.com/products/1436089/as-markdown/)
- [Fenner B401055 B-LOC B400 keyless bushing with 55 mm bore. The B400 series provides high torque transmission and precise concentricity for servo, encoder, and high-accuracy applications. Eliminates keyway machining, reduces backlash, and allows infinite axial adjustment. RoHS compliant.](https://www.mrosupply.com/products/817788/as-markdown/)
- [Fenner B601055 B-LOC B106 keyless bushing with 55 mm bore. Internal style with two opposed tapers provides high concentricity and infinite axial adjustment. Eliminates keyway machining for sprockets, sheaves, and pulleys. RoHS compliant.](https://www.mrosupply.com/products/817852/as-markdown/)
- [Fenner T301055 B-LOC B103 keyless bushing with 55 mm bore. This internal-style locking device provides high concentricity and infinite axial adjustment, eliminating the need for keyways. Suitable for sprockets, sheaves, and pulleys in industrial power transmission applications.](https://www.mrosupply.com/products/818100/as-markdown/)

## Product's reviews:
- Belt welder - Parts came very quickly and was exactly what was needed
- Fast - Good price, fast delivery
- 1/2 “ mini trans torque - Exactly what I ordered fit as expected
- Cutting and purchasing manager - The only problem I had they did not tell me it was shipping.