# Fenner T402312 B-LOC B400 Keyless Bushing 3-3/4 in Bore - MROSupply.com

***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.***



## Product details:

- Catalog number: T402312
- SKU: 818165
- Price: ***$124.62*** 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 C200E-375 C200 Series internal locking assembly, 3-3/4" bore, steel with black oxide finish. This keyless locking device provides zero-backlash hub-to-shaft connection with high torque transmission. Suitable for demanding industrial applications requiring precise shaft positioning and easy installation.](https://www.mrosupply.com/products/746575/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: 3-3/4 in
  

  
- Bore tolerance: 5.309
  

  
- Component Bore Diameter: 5.305"
  

  
- Hub Contact Pressure: 25748 psi
  

  
- Hub Diameter: 10.17 in
  

  
- Hub Pressure: 25748
  

  
- Installation torque: 51 ft lb
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- O.D.: 5.305 in
  

  
- Overall Length: 1.496 in
  

  
- Releasing/ Locking: Releasing
  

  
- Screw size: M10 x 25
  

  
- Self-Centering: No
  

  
- Series: B400
  

  
- Shaft diameter: 3 3/4 in
  

  
- Shaft Tolerance: 0.746
  

  
- Taper: Double
  

  
- Thrust: 48656
  

  
- Torque Transmission: 7603
  

  
- Transmissible Thrust: 48656 lb
  

  
- Transmissible Torque: 7603 ft-lb
  
## Product documents / software:

- [CAD model](https://documents.mrosupply.com/product_documents/81/81/818165/fenner_T402312_5GjlEU2.stp)
## Suggested products:
- [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 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 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/)

## Product's reviews:
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