Overview
Mfr description
28B12 METRIC - STOCK BORE
- Metric B Style sprockets are flat sprockets with a hub extension 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 harden 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 & Pitch28B / 1-3/4 in
- Chain Number Pitch28B-1 / 44.45 mm
- Product TypeStock Bore Sprockets
- Chain / Sprocket TypeMetric Roller Chain
- Hub Outside Diameter125 mm
- Hub StyleB
- Number Of Teeth12
- Bore TypeReboreable
- Bore Diameter40 mm
- Number Of Strands Across1
- MaterialSteel
- Number Of Hubs1
- Bore Range32 mm to 84 mm
- Length Through Bore70 mm
- Hardened TeethNon-Hardened Teeth
- CAD Drawing
- Hub TypeB
- Outside Diameter199.364 mm
- Root Diameter143.802 mm
- Caliper Diameter143.802 mm
- Pitch Diameter171.7 mm
- Maximum Bore Diameter88 mm
- Tooth Width29 mm
- Tooth Thickness29 mm
- Chain Roller Diameter27.94 mm
- Chain Roller Width30.99 mm
- Storage Dimension Height2.755 mm
- Storage Dimension Length7.849 mm
- Storage Dimension Width7.849 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950406541
- UPC_NO697950406541
- Manufacturer Catalog
- Weight15.50 lbs
Compliance & Safety Data
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