Overview
Mfr description
D08B72 SPK ROLLER DOUBLE B MET
- Martin metric double strand solid construction sprockets have proper spacing between chain rows.
- The sprockets are manufactured from high carbon steel.
- Martin does not stack “A” plates on multiples, but instead Martin machines teeth after the chain rows are already in place.
- 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 & Pitch08B / 1/2 in
- Chain Number Pitch08B-2 / 12.7 mm
- Product TypeStock Bore Sprockets
- Chain / Sprocket TypeMetric Roller Chain
- Hub Outside Diameter110 mm
- Hub StyleB
- Number Of Teeth72
- Bore TypeReboreable
- Bore Diameter25 mm
- Number Of Strands Across2
- MaterialSteel
- Length Through Bore45 mm
- Hardened TeethNon-Hardened Teeth
- Hub TypeB
- Outside Diameter298.521 mm
- Root Diameter282.646 mm
- Caliper Diameter282.646 mm
- Pitch Diameter291.2 mm
- Maximum Bore Diameter78 mm
- Tooth Width21 mm
- Tooth Thickness7 mm
- Chain Roller Diameter8.509 mm
- Chain Roller Width7.75 mm
- Storage Dimension Height1.772 mm
- Storage Dimension Length11.753 mm
- Storage Dimension Width11.753 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950398020
- UPC_NO697950398020
- Manufacturer Catalog
- Weight31.76 lbs
Compliance & Safety Data
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