# Martin 3 B 300 SF 3-Groove B-Section V-Belt Sheave 30.0" Pitch Diameter SF QD Bushing Cast Iron - MROSupply.com

***Martin 3 B 300 SF is a 3-groove B-section V-belt sheave with a 30.0" pitch diameter, designed for use with a Quick Disconnect (QD) SF bushing (sold separately). Cast iron construction provides durability for industrial power transmission applications.***



## Product details:

- Catalog number: 3 B 300 SF
- SKU: 254696
- Price: ***$1,029.68*** 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: 84.000 lb
- Technicall support: contact supplier for technical support on 323-728-8117


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


## Product attributes;

  
- Material: Cast Iron
  

  
- Outside Dia: 30.350"
  

## Alternate products to `Martin 3 B 300 SF 3-Groove B-Section V-Belt Sheave 30.0" Pitch Diameter SF QD Bushing Cast Iron - MROSupply.com`:
- [Dodge 455640 3B30.0-SF V-belt sheave with 3 grooves for B section belts, 30.0" outside diameter. Cast iron construction with Quick-Disconnect SF bushing for 1/2" to 2-15/16" shaft diameters. Gray finish.](https://www.mrosupply.com/products/134987/as-markdown/)
- [TB Woods 3003B conventional V-belt sheave with 30.0" outside diameter, 3 grooves, and B section. Cast-iron construction with SF quick-disconnect bushing. Standard single-plane balance, rated for up to 830 RPM. Datum diameter 30.00", pitch diameter 30.41", face width 2.50".](https://www.mrosupply.com/products/346674/as-markdown/)

## Product's reviews:
- Service - qUICK SERVICE ON THIS ORDER
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!
- Service manager - on time.. great company thanks john gorth
- Has the parts - Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.