# Formsprag NB500 RL-47A Roller-Ramp Overrunning Clutch, 0.500-inch Bore - MROSupply.com

***Formsprag NB500 RL-47A roller-ramp overrunning clutch with a 0.500-inch bore. This cam-and-roller design delivers high torque per unit volume for indexing, backstopping, and freewheeling applications. Suitable for industrial power transmission where one direction must lock while the other rotates freely.***



## Product details:

- Catalog number: NB500
- SKU: 403716
- Price: ***$7,157.98*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Formsprag](https://www.mrosupply.com/brands/formsprag/)
- Category: 
    - [Mechanical Clutches](htts://www.mrosupply.com/clutches-and-brakes/mechanical-clutches/mechanical-clutches/)
    - [Mechanical Clutches](htts://www.mrosupply.com/clutches-and-brakes/mechanical-clutches/)
    - [Clutches and Brakes](htts://www.mrosupply.com/clutches-and-brakes/)
- Unit of measure: each
- Weight: 1.438 lb
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Bore Diameter: 1/2 in
  

  
- Broad temperature range: Yes
  

  
- Equalized radial loading: Yes
  

  
- High operating speeds: Yes
  

  
- Maximum Speed: 1800 rpm
  

  
- No backlash: Yes
  

  
- Overall Length: 2-1/8 in
  

  
- Torque Rating: 300 ft-lb
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/40/05/400507/Formsprag_Clutch_HSB7503000_Catalog.pdf)
- [Instruction/Installation Manual](https://documents.mrosupply.com/product_documents/40/23/402368/Formsprag_Clutch_HSB7503000_Manual_p9vVnfK.pdf)
- [Specification Sheet](https://documents.mrosupply.com/product_documents/39/89/398904/Formsprag_Clutch_NB1500_Specification_Sheet_R4HaMW9.pdf)