# Fenner B402306 B-LOC B400 Keyless Bushing 3-3/8 in Bore - MROSupply.com

***Fenner B402306 B-LOC B400 keyless bushing with 3-3/8 in bore. The B400 series delivers high torque capacity for servo, encoder, and high-accuracy applications. Eliminates keyway machining, provides infinite axial adjustment, and prevents backlash.***



## Product details:

- Catalog number: B402306
- SKU: 817832
- Call for Pricing - 888-671-2883
- 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-337 C200 Series internal locking assembly with 3-3/8" bore and 4.921" outer diameter. Steel construction with black oxide finish provides zero-backlash hub-to-shaft connection for high-torque applications. Self-contained design eliminates keyways and set screws, ensuring precise axial and radial positioning in industrial machinery.](https://www.mrosupply.com/products/746546/as-markdown/)
- Unit of measure: each
- Weight: 3.200 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: 3-3/8 in
  

  
- Bore tolerance: 4.925
  

  
- Component Bore Diameter: 4.921"
  

  
- Hub Contact Pressure: 24672 psi
  

  
- Hub Diameter: 9.111 in
  

  
- Hub Pressure: 24672
  

  
- Installation torque: 51 ft lb
  

  
- Internal/ External: Internal
  

  
- Material: Steel
  

  
- O.D.: 4.921 in
  

  
- Overall Length: 1.496 in
  

  
- Releasing/ Locking: Releasing
  

  
- Screw size: M10 x 25
  

  
- Self-Centering: No
  

  
- Series: B400
  

  
- Shaft diameter: 3 3/8 in
  

  
- Shaft Tolerance: 3.371
  

  
- Taper: Double
  

  
- Thrust: 43250
  

  
- Torque Transmission: 6082
  

  
- Transmissible Thrust: 43250 lb
  

  
- Transmissible Torque: 6082 ft-lb
  
## Product documents / software:

- [CAD model](https://documents.mrosupply.com/product_documents/81/78/817832/fenner_B402306_jEv7rLA.stp)
## Suggested products:
- [Fenner B402306 B-LOC B400 keyless bushing with 3-3/8 in bore. The B400 series delivers high torque capacity for servo, encoder, and high-accuracy applications. Eliminates keyway machining, provides infinite axial adjustment, and prevents backlash.](https://www.mrosupply.com/products/817832/as-markdown/)
- [Fenner T302306 B-LOC B103 keyless bushing with 3-3/8 in bore. External design with single taper and locking screws on the hub face. Provides keyless shaft-to-hub torque transmission, eliminating keyway machining and backlash. Suitable for standard-duty industrial applications.](https://www.mrosupply.com/products/818132/as-markdown/)
- [Fenner T602306 B-LOC B106 keyless bushing with 3-3/8 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/818207/as-markdown/)
- [Fenner B122306 B-LOC B112 keyless bushing with 3-3/8 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 heavy-duty industrial torque transmission.](https://www.mrosupply.com/products/817694/as-markdown/)

## Product's reviews:
- Great product - Just what I was looking for and a great price.
- Great value - Same product I got from other vendors without the price gouging. Great site.
- 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.
- Cutting and purchasing manager - The only problem I had they did not tell me it was shipping.