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Boston Gear50B21-1 1/8

50B21-1 1/8

Finished Bore Sprocket
Item #101853004
  • 50 Chain
  • 21 Teeth
  • 1 1/8" Bore
  • 1/4 in x 1/8 in Keyway
Boston Gear50B21-1 1/8
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    Shipment Options
  • 50 Chain
  • 21 Teeth
  • 1 1/8" Bore
  • 1/4 in x 1/8 in Keyway

features

  • Quality design
  • Superior fatigue resistance
  • Long operational life
  • Complete with keyway and setscrew

compliances

  • 0
Hub Projection 0.657 in
Length Through Bore 1 in
Keyway 1/4 x 1/8
Inch/Metric Inch
Hub Dia. 3 in
Finished Bore 1 1/8 in
Chain No. 50
Sprocket Style B
No. of Teeth 21
Material Steel
No. of Strands Across 1
Hardened Teeth Without Hardened Teeth
Pitch Diameter 4.193 in
Chain Pitch 0.625 in
Outside Dia. 4.522 in
Width Across Teeth 0.343 in
Weight 2.912 LB
EAN or UPC 781711365403
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