# Fenner H1253 B-LOC Shrink Disc 125-30 External Locking Device - MROSupply.com

***Fenner H1253 B-LOC Shrink Disc 125-30 is an external locking device for hollow hub to shaft mounting. It provides high concentricity and eliminates keyway machining. Suitable for heavy-duty torque transmission in industrial drives.***



## Product details:

- Catalog number: H1253
- SKU: 817971
- Price: ***$667.72*** 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/)- View suggested `Climax Metal` alternative
  [Climax Metal C732M-125 is a one-piece set screw shaft collar with a 125 mm bore, made of zinc-plated steel. The set screw provides point-load axial positioning for light-duty applications. This collar is suitable for shaft positioning and axial stops in industrial machinery.](https://www.mrosupply.com/products/2057784/as-markdown/)
- Unit of measure: each
- Weight: 24.000 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 to 4.031 in
  

  
- Finish: Polished Chrome
  

  
- Hub Diameter: 4.921 in
  

  
- Material: Steel
  

  
- Outside Diameter: 8.47 in
  

  
- Screw Size: M12x50
  

  
- Series: SD30
  

  
- Transmissible Torque: 20092 to 28393 ft-lb
  

  
- Type: Heavy Duty
  


## Product's reviews:
- Great value - Same product I got from other vendors without the price gouging. Great site.
- One of my best suppliers - Great and fast service, product quality is so good!
- Cutting and purchasing manager - The only problem I had they did not tell me it was shipping.
- Belt welder - Parts came very quickly and was exactly what was needed


