# Martin 5 B 68 SK 5-Groove B-Section V-Belt Sheave 6.8" Pitch Diameter SK QD Bushing Cast Iron - MROSupply.com

***Martin 5 B 68 SK conventional QD sheave for B-section (5L) V-belts. 5 grooves, 6.8" pitch diameter, uses industry-standard SK quick-disconnect bushing (sold separately). Cast iron construction for durability in industrial drives.***



## Product details:

- Catalog number: 5 B 68 SK
- SKU: 255190
- Price: ***$236.35*** 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: 14.000 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 5 B 68 SK 5-Groove B-Section V-Belt Sheave 6.8" Pitch Diameter SK QD Bushing Cast Iron - MROSupply.com`:
- [TB Woods 685B Sure-Grip QD bushing for a 5-groove A-B section V-belt sheave with 6.8" datum diameter and 7.15" outside diameter. SK series bushing with quick-disconnect bore type, cast-iron construction, and standard single-plane balance. Rated for up to 3500 RPM. Face width 4", pitch diameter 7.21", and WR² inertia 88 lb-ft².](https://www.mrosupply.com/products/345707/as-markdown/)
- [Browning 5B68SK 1005297 5-groove cast iron B-section multiple sheave with a 6.8-inch pitch diameter and SK Q-D bushed bore. Precision-machined grooves and static balancing ensure low-vibration operation. Used in fan drives, blower drives, pump drives, and general HVAC and industrial belt drives.](https://www.mrosupply.com/products/2287109/as-markdown/)
- [Dodge 455692 5A6.4B6.8-SK 5-groove A/B dual section V-belt sheave with 6.4" A-pitch diameter and 6.8" B-pitch diameter, SK Quick Disconnect bushing. Cast iron construction with gray finish, 7.15" outside diameter, and bore range 7/16" to 2-5/8". Suitable for classical A and B section V-belts in industrial power transmission applications.](https://www.mrosupply.com/products/135792/as-markdown/)

## Product's reviews:
- Nice sprocket - sprocket is very nice.
- Martin s1036 gears - Great Item, for a great deal!
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!
- Good stock - I was pleased with the help of customer service to answer my questions concerning inventory and how quickly I received my product. Thank you.