# Gates 78744212 QD4/5V21.20 Super HC V-Belt Sheave - 4 Groove, 21.20" OD, 5V Section, QD Bushing Bore - MROSupply.com

***Gates 78744212 QD4/5V21.20 Super HC V-Belt Sheave with 4 grooves, 21.20" outside diameter, and 5V narrow-wedge section. Designed for industrial drives using Super HC V-belts, it features a QD bushing bore for secure mounting and easy installation. The sheave is precision-machined for reliable power transmission.***



## Product details:

- Catalog number: QD4/5V21.20
- SKU: 159757
- Price: ***$1,567.51*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Gates Rubber](https://www.mrosupply.com/brands/gates-rubber/)
- Category: 
    - [5V Section](htts://www.mrosupply.com/sheaves/quick-detachable-bushed-bore-sheaves/5v-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: 71.000 lb
- UPC: 72053100143
- Technicall support: contact supplier for technical support on 303-744-5800


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


## Product attributes;

  
- Bore Diameter: 7/8 to 3-1/2 in
  

  
- Bore Max (in): 3.5
  

  
- Bore Type: QD
  

  
- Bushing Type: E
  

  
- Face Width: 3-1/16 in
  

  
- Material: Ductile Iron
  

  
- Non-Standard: NO
  

  
- Number of Grooves: 4
  

  
- Outside Diameter: 21.2 in
  

  
- Overall Length: 2-3/4 in
  

  
- Pitch Diameter: 21.1 in
  

  
- Rim Speed (fpm): 6500
  

  
- Rim Speed (mps): 33.02
  

  
- Series: 7874
  

  
- Suitable For Use With: Super HC and Super HC PowerBand Belts
  

  
- Type: Heavy Duty
  


## Product's reviews:
- Fast - good price, fast delivery, search works very poorly
- Gates b-55 belt - We use these belts on wastewater lagoon aerators which run 24/7. Great price for a high quality belt and receive them within a few days of ordering!
- Great parts - Found the belts I needed here at the best price available. very fast shipping, great service. will be doing business again.
Thank you.
- Gates rubber 84000160 - Good product at a great price