# Fenner B401120 B-LOC B400 Keyless Bushing 120 mm Bore - MROSupply.com

***Fenner B401120 B-LOC B400 keyless bushing with 120 mm bore. The B400 series provides high torque transmission for servo, encoder, and high-accuracy applications. Eliminates keyway machining, reduces backlash, and allows infinite axial adjustment. RoHS compliant.***



## Product details:

- Catalog number: B401120
- SKU: 817798
- Price: ***$240.34*** 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: 5.500 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 tolerance: 165.1
  

  
- Component Bore Diameter: 165 mm
  

  
- Hub Contact Pressure: 181 N/sq-mm
  

  
- Hub Diameter: 321.5 mm
  

  
- Hub Pressure: 181
  

  
- Installation torque: 123 Nm
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- Overall Length: 45 mm
  

  
- Releasing/ Locking: Releasing
  

  
- Screw size: M12 x 30
  

  
- Self-Centering: No
  

  
- Series: B400
  

  
- Shaft diameter: 120 mm
  

  
- Shaft Tolerance: 119.9
  

  
- Taper: Double
  

  
- Thrust: 292569
  

  
- Torque Transmission: 17553
  

  
- Transmissible Thrust: 292569 N
  

  
- Transmissible Torque: 17553 N-m
  
## Product documents / software:

- [CAD model](https://documents.mrosupply.com/product_documents/81/77/817798/fenner_B401120_zlEUc1l.stp)
## Suggested products:
- [Fenner 6202360UP Trantorque GT keyless bushing with 1-3/8 in 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 for precise positioning.](https://www.mrosupply.com/products/1436056/as-markdown/)
- [Fenner B121120 B-LOC B112 keyless bushing with 120 mm bore. Internal style with two opposed tapers for high concentricity and infinite axial adjustment. Eliminates keyway machining, reduces backlash, and prevents shaft fretting. Suitable for heavy-duty industrial torque transmission.](https://www.mrosupply.com/products/817662/as-markdown/)
- [Fenner 6202510UP Trantorque GT keyless bushing with 1-13/16 in 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/1436061/as-markdown/)
- [Fenner 6202280UP Trantorque GT keyless bushing with 1-1/8 in 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/1436003/as-markdown/)
- [Fenner B601120 B-LOC B106 keyless bushing with 120 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/817859/as-markdown/)

## Product's reviews:
- Round belts - These belt work exceptionally well for sewing machine applications. Very easy to change and are easily modified to fit any length. Excellent durability when it comes to industrial use sewing machines. We typically get several months(4-7) of use before replacement/modification is required.
- Belt welder - Parts came very quickly and was exactly what was needed
- Cutting and purchasing manager - The only problem I had they did not tell me it was shipping.
- 1/2 “ mini trans torque - Exactly what I ordered fit as expected