Overview
Mfr description
20B45 METRIC - STOCK BORE
- Metric B Style sprockets are flat sprockets with a hub extension welded on one side.
- These plain bore sprockets can easily be bored to a metric or standard size to fit your application.
- Keyways, set screws and hardened teeth are quick alterations that can be made.
- 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 Outside Diameter127 mm
- Hub StyleB
- Number Of Teeth45
- Bore TypeReboreable
- Bore Diameter32 mm
- Number Of Strands Across1
- MaterialSteel
- Length Through Bore64 mm
- Hardened TeethNon-Hardened Teeth
- CAD Drawing
- Hub TypeB
- Outside Diameter475.792 mm
- Root Diameter436.105 mm
- Caliper Diameter436.105 mm
- Pitch Diameter455.2 mm
- Maximum Bore Diameter86 mm
- Tooth Width19 mm
- Tooth Thickness19 mm
- Chain Roller Diameter19.05 mm
- Chain Roller Width19.56 mm
- Storage Dimension Height2.52 mm
- Storage Dimension Length18.732 mm
- Storage Dimension Width18.732 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950404387
- UPC_NO697950404387
- Manufacturer Catalog
- Weight53.99 lbs
Compliance & Safety Data
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