# Martin 3 B 50 SD V-Belt Sheave 3-Groove B-Section 5.0" Pitch Diameter SD QD Bushing Steel - MROSupply.com

***Martin 3 B 50 SD QD bushed V-belt sheave with 3 grooves for B-section (5L) belts, 5.0" pitch diameter, uses SD Quick Disconnect bushing (sold separately), steel construction for industrial drives.***



## Product details:

- Catalog number: 3 B 50 SD
- SKU: 254716
- Price: ***$114.36*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- 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: 7.000 lb
- Technicall support: contact supplier for technical support on 323-728-8117


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


## Product attributes;

  
- Material: Steel
  

  
- Outside Dia: 5.350"
  

## Alternate products to `Martin 3 B 50 SD V-Belt Sheave 3-Groove B-Section 5.0" Pitch Diameter SD QD Bushing Steel - MROSupply.com`:
- [Dodge 455617 3A4.6B5.0-SD dual-duty V-belt sheave with 3 grooves for A and B section belts, 4.6" A pitch diameter and 5.0" B pitch diameter, 5.35" outside diameter. Quick Disconnect SD bushing accommodates 7/16" to 2" bore range. Gray cast iron construction for industrial power transmission applications.](https://www.mrosupply.com/products/135751/as-markdown/)
- [TB Woods 503B conventional V-belt sheave with 3 grooves, 5.0" outside diameter, and A-B belt section. Cast-iron construction with SD quick-disconnect bushing for secure mounting. Balanced to one plane for smooth operation in industrial belt drives.](https://www.mrosupply.com/products/346477/as-markdown/)

## Product's reviews:
- Great service and selection - I was very pleased to find this on the shelf. The price was fair, and the delivery was prompt.
I will do business again with MRO
- 70 tooth #41 chain sprocket - The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!
- Plate gear - Just what I ordered at a reasonable price. Thank you, Dallas
- High quality - strong material