# MasterDrive 2B70SK 2-Groove Taper-Lock V-Belt Sheave A/B Section 7.00" OD - MROSupply.com

***MasterDrive 2B70SK 2-groove Taper-Lock V-belt sheave for A and B section belts, 7.00-inch outside diameter. Cast iron construction provides durability in industrial belt drive applications. Accepts standard Taper-Lock bushings for secure shaft mounting.***



## Product details:

- Catalog number: 2B70SK
- SKU: 2335029
- Price: ***$104.80*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [MasterDrive](https://www.mrosupply.com/brands/masterdrive/)
- 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: 9.500 lb
- Technicall support: contact supplier for technical support on 888-922-8767


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


## Product attributes;

  
- Bore Type: QD Bushed
  

  
- Bushing Size: SF
  

  
- Bushing Type: QD
  

  
- Finish/Coating: Grey Painted Protective Coating
  

  
- k in: .8125 in
  

  
- Length Through Bore: 2.0625 in
  

  
- OD: 8.9 in
  

  
- Series: C QD Sheaves
  

  
- Sheave Construction: Web
  

  
- Sheave/Pulley Type: A-2
  

  
- Type: QD Style Heavy Duty V-Belt Sheaves
  
## Product documents / software:

- [Drawing](https://documents.mrosupply.com/product_documents/2B/2B38SH/5232E576AAB952F6090E3BB57897BFD384A357AF2E9050_8Qba2gC.jpg)
## Alternate products to `MasterDrive 2B70SK 2-Groove Taper-Lock V-Belt Sheave A/B Section 7.00" OD - MROSupply.com`:
- [Dodge 455594 2A6.6B7.0-SK variable pitch sheave, 2-groove A/B dual section, 6.6" A-section pitch diameter / 7.0" B-section pitch diameter, Quick Disconnect SK bushing. Cast iron construction with gray finish. Adjustable speed control for A and B profile belts. 7.35" outside diameter, accommodates 7/16" to 2-5/8" bore range.](https://www.mrosupply.com/products/135711/as-markdown/)
- [TB Woods 702B conventional V-belt sheave with 2 grooves, 7.35" outside diameter, and A-B belt section. Cast-iron construction with SK bushing for quick-disconnect mounting. Standard single-plane balance, rated for speeds up to 3410 RPM.](https://www.mrosupply.com/products/347059/as-markdown/)
- [Martin Sprocket 2 B 70 SK is a 2-groove B-section (5L) conventional V-belt sheave with a 7.0" pitch diameter. Features a cast iron web construction and uses an industry-standard SK Quick Disconnect bushing for easy mounting, with a bore range from 0.500"](https://www.mrosupply.com/products/2974018/as-markdown/)

## Product's reviews:
- 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.
- Masterdrive - I'VE USED LOTS OF MASTER DRIVE PRODUCTS AND ALL OF THEM HAVE BEEN EXCELLENT QUALITY.
- Masterdrive f 1 3/4" inner qd hub - Used maybe a dozen of these, zero problems. Why pay 50% more for a name brand when these work great?
- Masterdrive products - USED SEVERAL F-A QD WELD ON HUBS WITH ZERO PROBLEMS-USED LOTS OF INNER QD HUBS WITH ZERO PROBLEMS ALSO, CHEAP & HIGH QUALITY.