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Sprockets and Hubs

FREE SHIPPING ON ALL ORDERS IN USA!

Buy 2 or More Type B Sprockets and Take 10% Off at Checkout!

Use coupon code:   K1E3BE3RHDZC 

Coupon not for use with Quantity Discount Items

Standard Keyway Sizes
Listed are the standard keyway sizes furnished with corresponding bore sizes. 

Bore                   Keyway
1/2” to 9/16” =  1/8” X 1/16”
5/8” to 7/8” =    3/16” X 3/32”
15/16” to 1-1/4” = 1/4” X 1/8”
1-5/16” to 1-3/8” = 5/16” X 5/32”
1-7/16” to 1-3/4” = 3/8” X 3/16”
1-3/16” to 2-1/4” = 1/2” X 1/4”

SPROCKETS AVAILABLE IN FINISH BORE OR STOCK BORE FOR SINGLE, DOUBLE, TRIPLE STRAND, TYPE A, TYPE B HUB, TYPE C, WELD SPROCKETS, QD SPROCKETS AND BUSHINGS, INCLUDING IDLER SPROCKETS PRODUCED FROM QUALITY STEEL MEETING OR EXCEEDING ANSI STANDARDS. 

ORDER YOUR SPROCKETS ONLINE.

Buying industrial roller chain sprockets is now easy and convenient. You can sit back in your chair and select from a huge variety of products online, and have them quickly and easily shipped to your door. You can choose from a vast collection of top grade shaft-ready sprockets which will attend to all your application requirements. Red Boar will provide you with hardened sprockets which come with longer durability. As a result, the life of your roller chain is increased with much lower downtime.

You will find a wide range of Idler Sprockets at Red Boar Chain.

There are various kinds of idler sprockets available at the Red Boar online store, including bronze bushed or with insert bearing 203KRR2.    Red Boar Chain can also provide you with custom sprockets.  And you are able to get additional discounts depending on the quantity of your purchase.

Before ordering your sprocket know your needs.

  • Number of strands
  • The chain pitch (#40)
  • Type of sprocket ( A-plate, Type B hub Type C hub etc)
  • The number of teeth.
  • Hardened teeth (H) or stainless
  • Your required bore size
  • Keyway and set screws if needed. 

Browse through the largest collection of roller chain and sprockets online.

Whether you are looking to buy a sprocket, chain breaker, a connecting link for roller chains, a nickel plated corrosion resistant roller chain, or a stainless roller chain, you can find all of them and more industrial supplies in our online store.