Overview
Mfr description
20A57 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 & Pitch20B / 1-1/4 in
- Product TypeStock Bore Sprockets
- Chain / Sprocket TypeMetric Roller Chain
- Hub StyleA
- Number Of Teeth57
- Bore TypeRough Stock Bore
- Number Of Strands Across1
- MaterialSteel
- Number Of Hubs0
- Bore Range40 mm to 542.9 mm
- Length Through Bore19 mm
- Hardened TeethNon-Hardened Teeth
- Hub TypeA
- Outside Diameter597.0 mm
- Caliper Diameter557.1 mm
- Pitch Diameter576.4 mm
- Maximum Bore Diameter547 mm
- Tooth Width19 mm
- Tooth Thickness19 mm
- Chain Roller Diameter19.050 mm
- Chain Roller Width19.56 mm
- Storage Dimension Height0.73 mm
- Storage Dimension Length23.50 mm
- Storage Dimension Width23.50 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950404639
- UPC_NO697950404639
- Manufacturer Catalog
- Weight72.66 lbs
Compliance & Safety Data
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