# Fenner H1252 B-LOC Shrink Disc 125-20 External Locking Device - MROSupply.com

***Fenner H1252 B-LOC Shrink Disc 125-20 is an external locking device that clamps a hollow hub to a shaft for high-torque transmission. It eliminates keyways and provides concentric clamping with infinite axial adjustment.***



## Product details:

- Catalog number: H1252
- SKU: 817970
- Price: ***$499.97*** 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: 13.000 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: 3-5/8 to 4-1/8 in
  

  
- Finish: Polished Chrome
  

  
- Hub Diameter: 4.921 in
  

  
- Material: Steel
  

  
- Outside Diameter: 7.28 in
  

  
- Screw Size: M10x40
  

  
- Series: SD20
  

  
- Transmissible Torque: 9380 to 13343 ft-lb
  

  
- Type: Light Duty
  


## Product's reviews:
- Trantorque mini - Worked out great for my project, and at 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.
- Fast n easy - I was able find the items I needed and not only they delivered quickly, the also gave me a great price.
- One of my best suppliers - Great and fast service, product quality is so good!