# Fenner B122208 B-LOC B112 Keyless Bushing 2-1/2 in Bore - MROSupply.com

***Fenner B122208 B-LOC B112 keyless bushing with 2-1/2 in bore. Heavy-duty internal style with two opposed tapers for high concentricity and infinite axial adjustment. Eliminates keyway machining, reduces backlash, and prevents shaft fretting. Suitable for industrial power transmission applications.***



## Product details:

- Catalog number: B122208
- SKU: 817686
- Price: ***$257.93*** 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/)- View suggested `Climax Metal` alternative
  [Climax Metal C405E-250 C405 Series internal locking assembly with 2-1/2" bore and 3.74" outer diameter. This keyless locking device provides zero-backlash hub-to-shaft connection with high torque transmission. Constructed from black oxide steel for corrosion resistance. Suitable for precision shaft mounting in industrial machinery.](https://www.mrosupply.com/products/746638/as-markdown/)
- Unit of measure: each
- Weight: 3.500 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 Diameter: 2-1/2 in
  

  
- Bore tolerance: 3.742
  

  
- Compliancy: RoHS
  

  
- Component Bore Diameter: 3.74"
  

  
- Hub Contact Pressure: 18822 psi
  

  
- Hub Pressure: 18822
  

  
- Installation torque: 30 ft lb
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- O.D.: 3.74 in
  

  
- Overall Length: 2.598 in
  

  
- Releasing/ Locking: Locking
  

  
- Screw size: M8 x 55
  

  
- Self-Centering: Yes
  

  
- Series: B112
  

  
- Shaft diameter: 2 1/2 in
  

  
- Shaft Tolerance: 2.498
  

  
- Taper: Double
  

  
- Thrust: 45974
  

  
- Torque Transmission: 4789
  

  
- Transmissible Thrust: 45974 lb
  

  
- Transmissible Torque: 4789 ft-lb
  

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

- [CAD model](https://documents.mrosupply.com/product_documents/81/76/817686/fenner_B122208_GHkUU0p.stp)
## Suggested products:
- [Fenner B122208 B-LOC B112 keyless bushing with 2-1/2 in bore. Heavy-duty internal style with two opposed tapers for high concentricity and infinite axial adjustment. Eliminates keyway machining, reduces backlash, and prevents shaft fretting. Suitable for industrial power transmission applications.](https://www.mrosupply.com/products/817686/as-markdown/)
- [Fenner 6202576UP Trantorque GT keyless bushing with 2-1/2 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 torque transmission.](https://www.mrosupply.com/products/1436083/as-markdown/)
- [Fenner B602208 B-LOC B106 keyless bushing with 2-1/2 in 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 sprockets, sheaves, and pulleys.](https://www.mrosupply.com/products/817884/as-markdown/)
- [Fenner B302208 B-LOC B103 keyless bushing with 2-1/2 in bore. External design with single taper and locking screws on the hub face. Provides keyless shaft-to-hub locking for sprockets, sheaves, and pulleys. Eliminates keyway machining and backlash.](https://www.mrosupply.com/products/817770/as-markdown/)
- [Fenner B402208 B-LOC B400 keyless bushing with 2-1/2 in bore. The B400 series provides high torque transmission and concentricity for servo, encoder, and high-accuracy applications. Eliminates keyway machining, allows infinite axial adjustment, and prevents backlash. RoHS compliant.](https://www.mrosupply.com/products/817826/as-markdown/)

## Product's reviews:
- Trantorque mini - Worked out great for my project, and at a great price!!
- 1/2 “ mini trans torque - Exactly what I ordered fit as expected
- One of my best suppliers - Great and fast service, product quality is so good!
- Great value - Same product I got from other vendors without the price gouging. Great site.


