# Martin 3 B 68 SD V-Belt Sheave 3-Groove B-Section 6.8" Pitch Diameter SD QD Bushing Cast Iron - MROSupply.com

***Martin 3 B 68 SD QD bushed V-belt sheave. 3-groove B-section (5L) conventional sheave with 6.8" pitch diameter, cast iron construction. Uses industry-standard SD Quick Disconnect bushing (sold separately) for easy installation and removal.***



## Product details:

- Catalog number: 3 B 68 SD
- SKU: 254734
- Price: ***$155.54*** 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: 12.000 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: 7.150"
  

## Alternate products to `Martin 3 B 68 SD V-Belt Sheave 3-Groove B-Section 6.8" Pitch Diameter SD QD Bushing Cast Iron - MROSupply.com`:
- [Dodge 455626 3A6.4B6.8-SD B/5L section V-belt sheave with Quick Detachable bushed bore, 7.15" outside diameter, 7/16" to 2" bore range. Dual section design compatible with A and B belts. Cast iron construction with gray finish for industrial power transmission applications.](https://www.mrosupply.com/products/135745/as-markdown/)
- [TB Woods 683B conventional V-belt sheave with 3 grooves, 6.8" outside diameter, and A-B belt section. Cast-iron construction with SD quick-disconnect bushing, 7.21" pitch diameter, and 2.5" face width. Rated for speeds up to 3500 RPM with standard single-plane balance.](https://www.mrosupply.com/products/346485/as-markdown/)
- [Browning 3B68SD 1004639 3-groove cast iron B-section multiple sheave with a 6.8-inch pitch diameter and SD Q-D bushed bore. Cast iron construction with precision-machined grooves and statically balanced for low vibration. Used in fan drives, blower drives, pump drives, and general HVAC and industrial belt drives. Genuine Browning sheave from Regal Rexnord.](https://www.mrosupply.com/products/2286995/as-markdown/)

## Product's reviews:
- Free freight ! - Easy to do business with
- 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
- Great service - Very quick service part was exactly what I needed to get my skid steer going again great product and I will definitely use this business again
- Has the parts - Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.