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Metric Roller Chain Sprocket

E08B57

Metric Roller Chain Sprocket
Item #100966782
  • 08B-3 Chain Number
  • 3 Strands
  • 57 Teeth
  • Without Hardened Teeth
  • B Sprocket Style
  • 25 mm Minimum Bore
  • 85 mm Maximum Bore
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Metric Roller Chain Sprocket
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    Shipment Options
  • 08B-3 Chain Number
  • 3 Strands
  • 57 Teeth
  • Without Hardened Teeth
  • B Sprocket Style

description

  • Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.

features

  • Manufactured of high carbon steel
  • Precise machining and processes ensure consistent finish and high quality
  • Bores are concentric to pitch line, minimizing run out
  • Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Series B
Bushing Bore [Min] 0.984 in
Martin No. 08B57
No. of Strands Across 3
Length Through Bore 2.362 in
Hub O.D. 4.724 in
Inch/Metric Metric
No. of Teeth 57
Outside Dia. 237.91 mm
Bore Style Minimum Bore
Material External Use Steel
Chain Sprocket Pitch 0.5 in
Stock Bore Size 25 mm
Bore Type Finished Bore
Bore Size [Min] 0.984 in
Pin Diameter 8.509 mm
O.D. 9.366 in
Chain Sprocket Number 08B
Bushing Bore Size [Min] 0.984 in
Hub Length Thru 52.76 mm
No. of Teeth Rows Strands 3
Pitch Root Diameter 222 mm
Sprocket Style B
Outside Dia. [Min] 237.91 mm
Width Across Teeth 35.05 mm
Width Across Teeth Rows 1.367 in
Pitch Dia. 9.076 in
Family Name No. 08 - 12.700 mm Pitch - Triple - B
Single Strand Tooth Thickness 0.284 in
Construction Internal Solid
Pitch Diameter 230.5 mm
Material Steel
Hardened Teeth Without Hardened Teeth
Bushing Bore Size [Max] 3.347 in
Chain Pitch 12.7 mm
Hub Dia. 119.99 mm
Chain No. 08B, 08B-3
Bore Range [Max] 85 mm
Caliper Diameter 221.94 mm
Pitch Diameter [Min] 230.5 mm
Bore Size [Max] 3.347 in
Bore Range [Min] 25 mm
Root Diameter 222 mm
Material Internal Use Carbon Steel
Weight 28.04 LB
EAN or UPC 697950398358
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