Overview
Mfr description
20A57 PLATE SPKT
- 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
- Chain Number Pitch20B-1 / 31.75 mm
- Product TypeStock Bore Sprockets
- Chain / Sprocket TypeMetric Roller Chain
- Hub StyleA
- Number Of Teeth57
- Bore TypeRough Stock Bore
- Number Of Strands Across1
- MaterialSteel
- Length Through Bore0.6560 in
- Hardened TeethNon-Hardened Teeth
- Hub TypeA
- Outside Diameter596.991 mm
- Root Diameter557.303 mm
- Caliper Diameter557.303 mm
- Pitch Diameter22.6911 in
- Maximum Bore Diameter547 mm
- Chain Number20B
- Tooth Width19 mm
- Tooth Thickness19 mm
- Chain Roller Diameter19.05 mm
- Chain Roller Width19.56 mm
- Storage Dimension Height0.732 mm
- Storage Dimension Length23.504 mm
- Storage Dimension Width23.504 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950404639
- UPC_NO697950404639
- Weight72.66 lbs
- Width Across Teeth Rows0.6560 in
Compliance & Safety Data
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