50BS21 Sprocket With 1-3/8" Finished Bore

Power Transmission > Sprockets > Roller Chain Sprockets > Single Strand Roller Chain Sprockets > 50 Roller Chain Sprockets > #50 B-Hub Sprockets > 50B21 Sprockets

50BS21 Sprocket With 1-3/8" Finished Bore

Note: Custom Cut to Length Chain Also Available
$32.99
SKU: 50BS21-1-38-SPROCKET
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50BS21 Sprocket With 1-3/8" Finished Bore Features
50BS21 Sprocket With 1-3/8" Finished Bore Specifications
This 50BS21 sprocket featured a 1-3/8" finished bore with a key-way and two set screws. It is a durable, high quality, and precision sprocket with hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #50 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore sprockets, custom bore and made to order sprockets, and a full line of ANSI #50 roller chain. Fore more information, large quantities, or to get a custom sprocket please contact us and we will be happy to assist you.

50BS21 1 3/8" Finished Bore Sprocket Dimensions


50BS21 Sprocket With 1-3/8" Finished Bore
  • Sprocket Size: 50BS21
  • Tooth Count: 21
  • Outside Diameter: 4.520"
  • Hub Type: B
  • Bore Size: 1-3/8"
  • Keyway Size: 5/16" X 5/32"
  • Hub Diameter: 3"
  • Length Thru Bore: 1"
  • Sprocket Weight: 2.40 LBS
  • Common Interchanges: 50BS21H, H50BS21, 50BS21-FB

Phone: (407) 347-3519
Email: sales@usarollerchain.com
  • Sprocket Size: 50BS21
  • Tooth Count: 21
  • Outside Diameter: 4.520"
  • Hub Type: B
  • Bore Size: 1-3/8"
  • Keyway Size: 5/16" X 5/32"
  • Hub Diameter: 3"
  • Length Thru Bore: 1"
  • Sprocket Weight: 2.40 LBS
  • Common Interchanges: 50BS21H, H50BS21, 50BS21-FB
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