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Brand: Wych BearingsStandard British StandardChain Pitch 12.700mm (1/2")Type SimplexBore Type Pilot BoreNo. of Teeth 21Chain Reference 08B-1
Availability
4SR21 Sprocket - Pilot Bore 1/2" Pitch Simplex 21 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.
4SR21 dimension chart - all dimensions in mm unless indicated.
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3SR21 Sprocket - Pilot Bore 3/8" Pitch Simplex 21 Teeth£5.71 ex. VATAdd to Basket
5SR21 Sprocket - Pilot Bore 5/8" Pitch Simplex 21 Teeth£11.52 ex. VATAdd to Basket
6SR21 Sprocket - Pilot Bore 3/4" Pitch Simplex 21 Teeth£18.09 ex. VATAdd to Basket
4SR16 Sprocket - Pilot Bore 1/2" Pitch Simplex 16 Teeth£6.54 ex. VATAdd to Basket (1)
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This item is currently out of stock. We are doing our best to get more stock on our shelves but in the meantime you might want to try one of these alternatives:
61806-LLB/LLU Enduro ABEC 5
61806-2RS Budget Brand
61806-2RS SKF Brand
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