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1/2" x 5/16" (08B) Cast Iron Simplex Sprockets

High quality 1/2" 08B cast iron British Standard pitch sprockets in the most popular sizes. If the size you require is not listed, please contact us and we will check for availability.

Cast G20

Bore size is subject to change from table below.

These gears are supplied with a pilot bore without provision for shaft fixing. The bore can be machined out to a larger accurate diameter (subject to boss size) although many users find the pilot bore quite acceptable. The machining facilities at Gears and Sprockets are limited to smaller gears, those we can machine will have the relevant options available in drop down boxes on the product page. See the 'Custom Machining' tab where applicable on the product page for more information.

Tooth radius: r3 = 13
Radius size: C = 1.3
Tooth width: B1 = 7.2

All dimensions subject to change, if a dimension is critical to your application, please contact us for confirmation.

Part No. Code No. teeth Outside dia. de Pitch dia. dp Boss dia. Bore D1* Overall width A
7823-677 CS4SR38C 38 158.6 153.8 70 19 40
7823-687 CS4SR45C 45 188 182.07 70 19 40
7823-701 CS4SR57C 57 236.4 230.54 70 19 40
7823-717 CS4SR76C 76 313.3 307.33 80 23 40
7823-721 CS4SR95C *95 390.1 384.11 80 23 45
7823-609 CS4SR114C *114 466.9 460.9 80 23 45

* Simplex sprockets with rim reinforcement on both sides

* Bore Ø H12

£17.29 (£20.75 incl VAT)
7823-677
08B-1 38T Cast Iron Sprocket. For dimensions and product description, click button below. We source our special order products from the largest transmission...
Usually dispatched in 2-5 working days
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£20.33 (£24.40 incl VAT)
7823-687
08B-1 45T Cast Iron Sprocket. For dimensions and product description, click button below. We source our special order products from the largest transmission...
Usually dispatched in 2-5 working days
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£24.27 (£29.12 incl VAT)
7823-701
08B-1 57T Cast Iron Sprocket. For dimensions and product description, click button below. We source our special order products from the largest transmission...
Usually dispatched in 2-5 working days
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£36.52 (£43.82 incl VAT)
7823-717
08B-1 76T Cast Iron Sprocket. For dimensions and product description, click button below. We source our special order products from the largest transmission...
Usually dispatched in 2-5 working days
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£58.38 (£70.06 incl VAT)
7823-721
08B-1 95T Cast Iron Sprocket. For dimensions and product description, click button below. We source our special order products from the largest transmission...
Usually dispatched in 2-5 working days
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£81.56 (£97.87 incl VAT)
7823-609
08B-1 114T Cast Iron Sprocket. For dimensions and product description, click button below. We source our special order products from the largest...
Usually dispatched in 2-5 working days
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