D20C45

Metric Roller Chain Sprocket

Item #100967374

40 mm Minimum Bore

105 mm Maximum Bore

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Product Details

Maximum bores shown will accommodate standard keyseat and setscrew over keyseat. Slightly larger bores are possible with no keyseat, shallow keyseat, or setscrew at an angle to keyseat.

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

Material	Steel
Chain No.	20B, 20B-2
Bore Range [Max]	105 mm
Pitch Diameter [Min]	455.2 mm
Series	C
No. of Teeth	45
Bore Style	Minimum Bore
Bore Type	Reborable
Outside Dia.	475.79 mm
No. of Strands Across	2
Inch/Metric	Metric
Hub Length Thru	114 mm
Bore Range [Min]	40 mm
Width Across Teeth	54.64 mm
Martin No.	20C45
Pitch Root Diameter	436.1 mm
Pitch Diameter	455.2 mm
Single Strand Tooth Thickness	18.19 mm
Length Through Bore	114 mm
Family Name	No. 20 - 31.750 mm Pitch - Double - Type B & C
Chain Pitch	31.75 mm
Caliper Diameter	435.83 mm
Hub Dia.	151.99 mm
Root Diameter	436.1 mm
Sprocket Style	C
Pin Diameter	19.05 mm
Hardened Teeth	Without Hardened Teeth
Outside Dia. [Min]	475.79 mm
Weight	103.0 LB
EAN or UPC	697950405131