Overview
Mfr description
E20B28 SPK ROLLER TRIPLE B MET
- 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-3 / 31.75 mm
- Product TypeStock Bore Sprockets
- Chain / Sprocket TypeMetric Roller Chain
- Hub Outside Diameter145 mm
- Hub StyleB
- Number Of Teeth28
- Bore TypeFinished Bore
- Number Of Strands Across3
- MaterialSteel
- Length Through Bore4.7250 in
- Hardened TeethNon-Hardened Teeth
- Hub TypeB
- Outside Diameter304.21 mm
- Root Diameter264.522 mm
- Caliper Diameter264.522 mm
- Pitch Diameter11.1643 in
- Maximum Bore Diameter102 mm
- Chain Number20B
- Tooth Width91 mm
- Tooth Thickness0 mm
- Chain Roller Diameter19.05 mm
- Chain Roller Width19.56 mm
- Storage Dimension Height4.725 mm
- Storage Dimension Length11.977 mm
- Storage Dimension Width11.977 mm
- Surface TreatmentProtective Coating
- Manufacturer Upc Number697950405360
- UPC_NO697950405360
- Weight87.96 lbs
- Width Across Teeth Rows3.5755 in
Compliance & Safety Data
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