# Gates 78317120 QD7A12.0/B12.4 Multi-Duty V-Belt Sheave - 7 Groove, 12.0" A-PD / 12.4" B-PD, QD Bushing Bore - MROSupply.com

***Gates 78317120 QD7A12.0/B12.4 Multi-Duty V-Belt Sheave with 7 grooves, 12.0" A-section pitch diameter, 12.4" B-section pitch diameter, and 12.75" outside diameter, designed for QD bushing mounting. Accommodates A/B-section V-belts in multi-groove industrial drives requiring reliable power transmission. Cast-iron construction provides durability for continuous-duty applications.***



## Product details:

- Catalog number: QD7A12.0/B12.4
- SKU: 1244567
- Price: ***$932.03*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Gates Rubber](https://www.mrosupply.com/brands/gates-rubber/)
- Category: 
    - [B/5L Section](htts://www.mrosupply.com/sheaves/quick-detachable-bushed-bore-sheaves/b5l-section/)
    - [Quick Detachable Bushed Bore Sheaves](htts://www.mrosupply.com/sheaves/quick-detachable-bushed-bore-sheaves/)
    - [Sheaves](htts://www.mrosupply.com/sheaves/)
- Unit of measure: each
- Weight: 48.000 lb
- UPC: 770000000000
- Technicall support: contact supplier for technical support on 303-744-5800


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


## Product attributes;

  
- Bore Diameter: 3-1/2 in
  

  
- Bore Max (in): 3.5
  

  
- Bore Type: QD
  

  
- Bushing Type: E
  

  
- Face Width: 5-1/2 in
  

  
- Material: Cast Iron
  

  
- Non-Standard: NO
  

  
- Number of Grooves: 7
  

  
- Outside diameter (in): 12.75
  

  
- Rim Speed (fpm): 6500
  

  
- Rim Speed (mps): 33.02
  

  
- Series: 7831
  

  
- Suitable For Use With: Hi-Power II, Tri-Power, Dubl-V, Power Curve, PowerBack and Classical Section PowerBand Belts
  

  
- Type: Heavy Duty
  
## Product documents / software:

- [Safety and Usage Disclaimer](https://documents.mrosupply.com/product_documents/59/592XL025/PTWarning_lrQja6Q.pdf)

## Product's reviews:
- Great belts - Bought these for my lathe. They are much better made than the original. MROSupply charges a very competitive price and the packaging and shipping speed was great.
- Fast - good price, fast delivery, search works very poorly
- Great service! - I needed a hydraulic pump belt and found it at MRO Supply. Great prices and fast shipping, will order again. Thank you very much!
- Office manager - I got exactly what i ordered. Works like its suppose to..