# Fenner B121050 B-LOC B112 Keyless Bushing 50 mm Bore - MROSupply.com

***Fenner B121050 B-LOC B112 keyless bushing with 50 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.***



## Product details:

- Catalog number: B121050
- SKU: 817653
- Price: ***$219.09*** 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: 2.700 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: 50 mm
  

  
- Bore tolerance: 80.05
  

  
- Compliancy: RoHS
  

  
- Component Bore Diameter: 80 mm
  

  
- Hub Contact Pressure: 124 N/sq-mm
  

  
- Hub Pressure: 124
  

  
- Installation torque: 41 Nm
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- Overall Length: 66 mm
  

  
- Releasing/ Locking: Locking
  

  
- Screw size: M8 x 55
  

  
- Self-Centering: Yes
  

  
- Series: B112
  

  
- Shaft diameter: 50mm
  

  
- Shaft Tolerance: 49.95
  

  
- Taper: Double
  

  
- Thrust: 164918
  

  
- Torque Transmission: 4123
  

  
- Transmissible Thrust: 164918 N
  

  
- Transmissible Torque: 4123 N-m
  

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

- [CAD model](https://documents.mrosupply.com/product_documents/81/76/817653/fenner_B121050_6k54uPv.stp)
## Suggested products:
- [Fenner B301050 B-LOC B103 keyless bushing with 50 mm bore. External design with single taper and locking screws on the hub face provides high concentricity and infinite axial adjustment. Eliminates keyway machining for sprockets, sheaves, and pulleys. RoHS compliant.](https://www.mrosupply.com/products/817748/as-markdown/)
- [Fenner B401050 B-LOC B400 keyless bushing with 50 mm bore. The B400 series provides high torque transmission for servo, encoder, and high-accuracy applications. Eliminates keyway machining, allows infinite axial and angular adjustment, and prevents shaft fretting. RoHS compliant.](https://www.mrosupply.com/products/817787/as-markdown/)
- [Fenner B601050 B-LOC B106 keyless bushing with 50 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/817851/as-markdown/)
- [Fenner B121050 B-LOC B112 keyless bushing with 50 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/817653/as-markdown/)
- [Fenner 6202885UP Trantorque GT keyless bushing with 50 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/1436025/as-markdown/)

## Product's reviews:
- Belt welder - Parts came very quickly and was exactly what was needed
- 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.
- Fast n easy - I was able find the items I needed and not only they delivered quickly, the also gave me a great price.
- Fast - Good price, fast delivery


