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Brand: Wych BearingsStandard: British StandardChain Pitch: 12.700mm (1/2")Type: SimplexBore Type: Pilot BoreNo. of Teeth: 57Chain Reference: 08B-1
4SR57C Sprocket - Cast Iron Pilot Bore 1/2" Pitch Simplex 57 Teeth
Pilot Bore Sprockets are supplied with a small pilot bore ready for you to machine to suit your requirements. Produced from either C45 steel or GG22 close grain cast iron dependent upon the sprocket style and design.
4SR57C dimension chart - all dimensions in mm unless indicated.
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