Martin Sprocket & Gear

Spk Roller Triple B, E50B21H


product price: $183.99
/ea
Free Shipping & Returns

Free Shipping on orders over $50
after you 
Free 30-Day Returns

Key Features

  • Material Steel
  • Length through Bore (In.) 2.625
  • Bore Type Reboreable
  • Outside Dia. (In.) 4.522
  • Number of Teeth 21
See all product information
Get 10% Off Your First Order
Real Support From Real People Contact Our U.S.-Based teams
Free 30-Day Returns
Return Policy
Accepted Payment Options
visa mastercard american express discover paypal
Net 30

Product Information

Dimensions

Length through Bore (In.) 2.625
Outside Dia. (In.) 4.522
Pitch Dia. 4.1934
Storage Length 4.522
Storage Height 2.625
Caliper Diameter 3.7817
Storage Width 4.522

Details

Material Steel
Bore Type Reboreable
Number of Teeth 21
Type Standard Roller Chain
Max. Bore (In.) 2.375
Sprocket Hub Type B
Weight 7.43
Surface Treatment Protective Coating
Min. Bore 1
Chain Number 50
Hardened Teeth No
Number of Rows 3

Restrictions

Ratings & Reviews

3 Reasons You Can Count On Us

  • Supplies for every job.

    Supplies for every job.

    10 million items and the exact one you need.

  • When you need it fast, count on Zoro!

    When you need it fast, count on Zoro!

    2 million products ship in 1 day.

  • Stretch your budget further.

    Stretch your budget further.

    Everyday low prices on the brands you love.