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Brand: Wych BearingsStandard: British StandardChain Pitch: 12.700mm (1/2")Type: SimplexBore Type: Pilot BoreNo. of Teeth: 40Chain Reference: 08B-1
4SR40 Sprocket - Pilot Bore 1/2" Pitch Simplex 40 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.
4SR40 dimension chart - all dimensions in mm unless indicated.
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