D20B27

Metric Roller Chain Sprocket

Item #100967366

32 mm Minimum Bore

98 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

Bore Type	Reborable
Hardened Teeth	Without Hardened Teeth
Width Across Teeth	54.64 mm
Length Through Bore	80.01 mm
Pitch Diameter	273.5 mm
Martin No.	20B27
No. of Strands Across	2
Inch/Metric	Metric
Pitch Diameter [Min]	273.5 mm
Bore Style	Minimum Bore
No. of Teeth	27
Bore Range [Max]	98 mm
Outside Dia. [Min]	294.13 mm
Family Name	No. 20 - 31.750 mm Pitch - Double - Type B & C
Pitch Root Diameter	254.4 mm
Caliper Diameter	253.98 mm
Series	B
Bore Range [Min]	32 mm
Hub Length Thru	80 mm
Root Diameter	254.4 mm
Pin Diameter	19.05 mm
Material	Steel
Single Strand Tooth Thickness	18.19 mm
Sprocket Style	B
Outside Dia.	294.13 mm
Chain No.	20B, 20B-2
Hub Dia.	145.01 mm
Chain Pitch	31.75 mm
Weight	55.04 LB
EAN or UPC	697950405056