57 Tooth Taper Bore
Simplex Sprockets British Standard 3/8" x 7/32" Steel C45, UNI7845
*Cast Iron G20, UNI5007
Tooth Radius r3 = 10
Radius size C = 1.0
Tooth width B1 = 5.3
All dimensions in mm
Intermediate sizes & special platewheels to drawing
Standard : to DIN 8187 ISO/R 606
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