# Fenner T302312 B-LOC B103 Keyless Bushing 3-3/4 in Bore - MROSupply.com

***Fenner T302312 B-LOC B103 keyless bushing with 3-3/4 in bore. External design with single taper and locking screws on hub face. Eliminates keyway machining, provides infinite axial adjustment and high concentricity. Suitable for standard-duty shaft-to-hub torque transmission.***



## Product details:

- Catalog number: T302312
- SKU: 818134
- Price: ***$126.03*** 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 C123E-375 one-piece set screw shaft collar with 3-3/4" bore, steel with black oxide finish. Solid ring design with set screws applying point-load against the shaft for light-duty axial positioning. Suitable for shaft positioning, axial stops, and light-load applications in industrial machinery.](https://www.mrosupply.com/products/746604/as-markdown/)
- Unit of measure: each
- Weight: 4.700 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: Approximately 0.032"
  

  
- Bore Diameter: 3-3/4 in
  

  
- Bore tolerance: 5.318
  

  
- Compliancy: RoHS
  

  
- Component Bore Diameter: 5.315"
  

  
- Hub Contact Pressure: 26005 psi
  

  
- Hub Diameter: 10.276 in
  

  
- Hub Pressure: 26005
  

  
- Installation torque: 50 ft lb
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- O.D.: 5.315 in
  

  
- Releasing/ Locking: Locking
  

  
- Screw size: M10 x 30
  

  
- Self-Centering: Yes
  

  
- Series: B103
  

  
- Shaft diameter: 3 3/4 in
  

  
- Shaft Tolerance: 3.747
  

  
- Taper: Single
  

  
- Thrust: 49234
  

  
- Torque Transmission: 7693 ft lb
  

  
- Transmissible Thrust: 49234 lb
  

  
- Transmissible Torque: 7693 ft-lb
  
## Product documents / software:

- [CAD model](https://documents.mrosupply.com/product_documents/81/81/818134/fenner_T302312_rSmqxhI.stp)
## Suggested products:
- [Fenner T602312 B-LOC B106 keyless bushing with 3-3/4 in 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/818208/as-markdown/)
- [Fenner B122312 B-LOC B112 keyless bushing with 3-3/4 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/817697/as-markdown/)
- [Fenner T402312 B-LOC B400 keyless bushing with 3-3/4 in bore. High-torque design for servo, encoder, and high-accuracy applications. Eliminates keyway machining, provides infinite axial adjustment and backlash-free torque transmission.](https://www.mrosupply.com/products/818165/as-markdown/)
- [Fenner T302312 B-LOC B103 keyless bushing with 3-3/4 in bore. External design with single taper and locking screws on hub face. Eliminates keyway machining, provides infinite axial adjustment and high concentricity. Suitable for standard-duty shaft-to-hub torque transmission.](https://www.mrosupply.com/products/818134/as-markdown/)

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