# Fenner B0903 B-LOC Shrink Disc 90-30 External Locking Device - MROSupply.com

***Fenner B0903 B-LOC Shrink Disc 90-30 external locking device clamps a hollow hub to a shaft for high-torque transmission. Eliminates keyways and provides concentric clamping with infinite axial adjustment. Suitable for heavy industrial drives.***



## Product details:

- Catalog number: B0903
- SKU: 817644
- Price: ***$377.74*** 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: 
    - [Shrink Discs](htts://www.mrosupply.com/bushings/keyless-bushings/shrink-discs/)
    - [Keyless Bushings](htts://www.mrosupply.com/bushings/keyless-bushings/)
    - [Bushings](htts://www.mrosupply.com/bushings/)
- Unit of measure: each
- Weight: 7.300 lb
- Technicall support: contact supplier for technical support on 800 243 3374


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Bore Diameter: 2.5 to 2.902 in
  

  
- Finish: Polished Chrome
  

  
- Hub Diameter: 3.543 in
  

  
- Material: Steel
  

  
- Outside Diameter: 6.3 in
  

  
- Screw Size: M10x40
  

  
- Series: SD30
  

  
- Transmissible Torque: 5946 to 8994 ft-lb
  

  
- Type: Heavy Duty
  


## Product's reviews:
- 1/2 “ mini trans torque - Exactly what I ordered fit as expected
- Great product - Just what I was looking for and a great price.
- Fast n easy - I was able find the items I needed and not only they delivered quickly, the also gave me a great price.
- 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.