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E12B21 Metric Triple Roller Chain Sprocket

BRAND: Martin Sprocket | MODEL: E12B21 | CONDITION: NEW | SKU: 257046
E12B21 Metric Triple Roller Chain Sprocket

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$173.55
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Weight: 11.72 lbs UOM: EA
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Additional Description

Description

Martin metric triple strand solid construction sprockets have proper spacing between chain rows. The sprockets are manufactured from high carbon steel. Martin does not stack “A” plates on multiples, but instead Martin machines teeth after the chain rows are already in place. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and harden teeth are quick alterations that can be made.
Specifications
Material Steel Hub Configuration B
Chain Number 12B-3 Hub Outside Diameter 100.000 mm
Chain Pitch 19.050 mm Length thru Bore 69.977 mm
Number of Chain Rows 3 Hub Recessed For Chain Clearance No
Number of Teeth 21 Construction Detail Solid
Outside Diameter 139.564 mm Bore Type Stock Bore
Pitch Diameter 127.816 mm Min Bore Size 20.000 mm
Single Strand Tooth Thickness 10.871 mm Max Bore Size 70.000 mm
Hardened Teeth No
Storage Dimension Length 5.495 in. Weight 11.72 lbs.
Storage Dimension Width 5.495 in. Individually Packaged No
Storage Dimension Height 2.755 in.