# Fenner B121120 B-LOC B112 Keyless Bushing 120 mm Bore Internal Style - MROSupply.com

***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.***



## Product details:

- Catalog number: B121120
- SKU: 817662
- Price: ***$560.55*** 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: 14.300 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: 165.08
  

  
- Compliancy: RoHS
  

  
- Component Bore Diameter: 165 mm
  

  
- Hub Contact Pressure: 159 N/sq-mm
  

  
- Hub Diameter: 290.8 mm
  

  
- Hub Pressure: 159
  

  
- Installation torque: 142 Nm
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- Releasing/ Locking: Locking
  

  
- Screw size: M12 x 80
  

  
- Self-Centering: Yes
  

  
- Series: B112
  

  
- Shaft diameter: 120 mm
  

  
- Shaft Tolerance: 119.92
  

  
- Taper: Double
  

  
- Thrust: 692914
  

  
- Torque Transmission: 41575
  

  
- Transmissible Thrust: 692914 N
  

  
- Transmissible Torque: 41575 N-m
  

  
- Type: Heavy Duty
  
## Product documents / software:

- [CAD model](https://documents.mrosupply.com/product_documents/81/76/817662/fenner_B121120_b4DNunC.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 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 6202540UP Trantorque GT keyless bushing with 1-15/16 in bore. Self-contained single-nut installation eliminates keyway machining for sprockets, sheaves, and pulleys. Zinc-plated steel construction provides corrosion resistance. Infinite axial and angular adjustment with high concentricity.](https://www.mrosupply.com/products/1436063/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 TTQM3045 Trantorque OE keyless bushing with 30 mm bore. Single-nut self-contained design for easy installation. Zinc-plated steel construction. Eliminates keyway machining for sprockets, sheaves, and pulleys.](https://www.mrosupply.com/products/1435861/as-markdown/)

## Product's reviews:
- 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
- Trantorque mini - Worked out great for my project, and at a great price!!
- 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.