Overview
Mfr description
E12B48 SPK ROLLER TRIPLE B MET
- Martin metric triple 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 & Pitch12B / 3/4 in
- Chain Number Pitch12B-2 / 19.05 mm
- Product TypeStock Bore Sprockets
- Chain / Sprocket TypeMetric Roller Chain
- Hub Outside Diameter130 mm
- Hub StyleB
- Number Of Teeth48
- Bore TypeReboreable
- Bore Diameter25 mm
- Number Of Strands Across3
- MaterialSteel
- Length Through Bore70 mm
- Hardened TeethNon-Hardened Teeth
- Hub TypeB
- Outside Diameter303.018 mm
- Root Diameter279.205 mm
- Caliper Diameter279.205 mm
- Pitch Diameter291.3 mm
- Maximum Bore Diameter90 mm
- Tooth Width50 mm
- Tooth Thickness11 mm
- Chain Roller Diameter12.065 mm
- Chain Roller Width11.68 mm
- Storage Dimension Height2.756 mm
- Storage Dimension Length11.93 mm
- Storage Dimension Width11.93 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950401904
- UPC_NO697950401904
- Manufacturer Catalog
- Weight57.27 lbs
Compliance & Safety Data
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