Overview
Mfr description
20B28 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 Teeth28
- Bore TypeReboreable
- Bore Diameter32 mm
- Number Of Strands Across1
- MaterialSteel
- Number Of Hubs1
- Bore Range32 mm to 84 mm
- Length Through Bore51 mm
- Hardened TeethNon-Hardened Teeth
- Hub TypeB
- Outside Diameter304.21 mm
- Root Diameter264.522 mm
- Caliper Diameter264.522 mm
- Pitch Diameter283.6 mm
- Maximum Bore Diameter86 mm
- Tooth Width19 mm
- Tooth Thickness19 mm
- Chain Roller Diameter19.05 mm
- Chain Roller Width19.56 mm
- Storage Dimension Height2.008 mm
- Storage Dimension Length11.977 mm
- Storage Dimension Width11.977 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950404042
- UPC_NO697950404042
- Manufacturer Catalog
- Weight25.00 lbs
Compliance & Safety Data
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