Specifications

• Chain Number & Pitch
  40 / 1/2 in
• Product Type
  Stock Bore Sprockets
• Hub Style
  B
• Number Of Teeth
  21
• Bore Type
  Rough Stock Bore
• Number Of Strands Across
  2
• Material
  Steel
• Number Of Hubs
  1
• Length Through Bore
  1.6250 in
• Hub Diameter
  2.7500 in
• Hub Type
  B
• Hub Projection
  0.7813 in
• Outside Diameter
  3.6200 in
• Pitch Diameter
  3.3550 in
• Maximum Bore Diameter
  1.8750 in
• Tooth Width
  0.2840 in
• Manufacturer Upc Number
  781711159606
• UPC_NO
  781711159606
• Weight
  2.80 lbs
• Country of Origin
  China