# B78 Standard V-Belt - MROSupply.com

***B78 Standard V-Belt***



## Product details:

- Catalog number: B78
- SKU: 2338555
- Price: ***$16.93*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [MasterDrive](https://www.mrosupply.com/brands/masterdrive/)
- Category: 
    - [B Section](htts://www.mrosupply.com/v-belts/standard-v-belts/b-section/)
    - [Standard V-Belts](htts://www.mrosupply.com/v-belts/standard-v-belts/)
    - [V-Belts](htts://www.mrosupply.com/v-belts/)
- Unit of measure: each
- Technicall support: contact supplier for technical support on 888-922-8767


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


## Product attributes;

  
- Color: Black
  

  
- Height (in): 0.433
  

  
- Height (mm): 10.4
  

  
- Length (in): 78
  

  
- Length (mm): 2057.4
  

  
- Section: B
  

  
- Series: MasterDrive Classical V-Belts - D V-Belts
  

  
- Type: Classical V-Belts
  

  
- Weight (ibs): 0.432
  

  
- Width (in): 0.66
  

  
- Width (mm): 16.8
  

## Alternate products to `B78 Standard V-Belt - MROSupply.com`:
- [Gates B78 is a Hi-Power II V-Belt with B section, 78" effective length, 21/32" top width, and 7/16" depth. Designed for industrial power transmission drives requiring reliable wrapped classical belt performance. Constructed with fiber-loaded EPDM compound for long service life and minimal stretch.](https://www.mrosupply.com/products/178299/as-markdown/)
- [Bestorq B78or5L810 Classical - FHP Combination V-BELT](https://www.mrosupply.com/products/2242668/as-markdown/)
- [The Browning B78 is a v-belt with a B-section profile and a 78-inch outside length. Industrial-strength polyester tensile cord, neoprene compound, and a fabric-wrapped envelope for long service life. Power-rated for industrial belt drives in HVAC, pumping, agriculture, and material handling.](https://www.mrosupply.com/products/2285917/as-markdown/)
- [Bando B78 Power King B section classical V-belt with 78" outside length. Cross-section: 21/32" top width x 13/32" depth. Chloroprene rubber with polyester tension cord. Suitable for industrial drives requiring reliable power transmission. Conforms to RMA IP-23 standards.](https://www.mrosupply.com/products/676826/as-markdown/)
- [Jason Industrial B78 classical V-belt, B section, 78" outside length, 21/32" top width, 7/16" depth. Chloroprene rubber construction with polyester tension cord for general-purpose industrial drives.](https://www.mrosupply.com/products/1984650/as-markdown/)
- [TB Woods BP78 single B-section V-belt with 81" outside length and 21/32" top width. Premium construction for industrial belt drives requiring reliable power transmission.](https://www.mrosupply.com/products/833044/as-markdown/)
- [TB Woods BPR78 single B-section V-belt with 81" outside length, 21/32" top width, and 7/16" depth. Non-cogged construction for standard industrial belt drives.](https://www.mrosupply.com/products/833385/as-markdown/)
- [Timken Belts (Carlisle) BK78 Aramax Xtra Duty V-Belt. B Section V-Belt. Outside length: 81". Top width: 21/32". Formerly sold as Carlisle. Manufactured to ISO 9001:2015 standards.](https://www.mrosupply.com/products/2985334/as-markdown/)

## Product's reviews:
- Just what i needed - I needed a very small belt for my rock polisher, and it was just the right size.
- Masterdrive qd hubs - USED THESE FOR YEARS WITH ZERO PROBLEMS! THEIR PRICE HELPS & QUALITY SEEMS EXCELLENT! VERY GOOD VALUE!
- My mistake? fixed! - I needed a 3L330 V-Belt and somehow I think either I typed 5L330 although I was using an online conversion chart to match up belt numbers which might have had a typo there. The delivery is always good from MRO. I contacted MRO by email late that night after work with my silly situation and then rather than wait for a reply I ordered the right belt number so I could get the job done. I got a reply the next morning with instructions for the return procedure then the very next day I had the right belt delivered. Then I received another two contacts from the returns agent and customer support agent both telling me not to return the wrong belt and I would be refunded the purchase amount. Outstanding helpful support and the 'fastest delivery in the west'. MRO people are the best all around. Great products and extensive choices. I am retired now after 50 years in manufacturing equipment operations and maintenance with Nashua then Kellogg's but still I love working on machines and fixing things. MRO is a great source for many things even as small as a lawn & garden V-Belt they take care of the little guy too. Great people at MRO Supply.
- Great deal - Very good customer service, great prices and super fast shipping!!! Will buy again!!