Overview
Mfr description
12B57 METRIC - STOCK BORE
- Metric A Plates are flat sprockets with no hub extension on either side.
- They can be altered for your application with bolt holes, custom bores, hardened teeth or special hubs welded to them.
- Tolerances meet or exceed ISO standards
- Manufactured of high carbon steel
- Precise machining and processes ensure consistent finish and high quality
- Bores are concentric to pitch line, minimizing run out
- Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Specifications
- Chain Number & Pitch12B / 3/4 in
- Chain Number Pitch12B-1 / 19.05 mm
- Product TypeStock Bore Sprockets
- Chain / Sprocket TypeMetric Roller Chain
- Hub Outside Diameter110 mm
- Hub StyleB
- Number Of Teeth57
- Bore TypeReboreable
- Bore Diameter32 mm
- Number Of Strands Across1
- MaterialSteel
- Number Of Hubs1
- Bore Range30 mm to 70 mm
- Length Through Bore45 mm
- Hardened TeethNon-Hardened Teeth
- Hub TypeB
- Outside Diameter357.559 mm
- Root Diameter333.747 mm
- Caliper Diameter333.747 mm
- Pitch Diameter345.8 mm
- Maximum Bore Diameter78 mm
- Tooth Width11 mm
- Tooth Thickness11 mm
- Chain Roller Diameter12.065 mm
- Chain Roller Width11.68 mm
- Storage Dimension Height1.762 mm
- Storage Dimension Length14.077 mm
- Storage Dimension Width14.077 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950401096
- UPC_NO697950401096
- Manufacturer Catalog
- Weight22.26 lbs
Compliance & Safety Data
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