Overview
Mfr description
D28C57 SPK ROLLER DOUBLE C 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 & Pitch28B / 1-3/4 in
- Chain Number Pitch28B-2 / 44.45 mm
- Product TypeStock Bore Sprockets
- Chain / Sprocket TypeMetric Roller Chain
- Hub Outside Diameter241 mm
- Hub StyleC
- Number Of Teeth57
- Bore TypeReboreable
- Bore Diameter40 mm
- Number Of Strands Across2
- MaterialSteel
- Number Of Hubs2
- Bore Range40 mm to 162 mm
- Length Through Bore181 mm
- Hardened TeethNon-Hardened Teeth
- Hub TypeC
- Outside Diameter834.517 mm
- Root Diameter778.954 mm
- Caliper Diameter778.954 mm
- Pitch Diameter806.9 mm
- Maximum Bore Diameter166 mm
- Tooth Width88 mm
- Tooth Thickness29 mm
- Chain Roller Diameter27.94 mm
- Chain Roller Width30.99 mm
- Storage Dimension Height7.126 mm
- Storage Dimension Length32.855 mm
- Storage Dimension Width32.855 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950407401
- UPC_NO697950407401
- Manufacturer Catalog
- Weight463.01 lbs
Compliance & Safety Data
Click on an icon below to learn more about the compliance and safety data
