D06B21

Metric Roller Chain Sprocket

Item #100965764

12.01 mm Minimum Bore

36 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

Inch/Metric	Metric
Bore Type	Finished Bore
Caliper Diameter	57.38 mm
Single Strand Tooth Thickness	0.209 in
Hub Dia.	51.99 mm
Pitch Root Diameter	57.6 mm
Sprocket Style	B
Construction Internal	Solid
Bushing Bore [Min]	0.472 in
Hardened Teeth	Without Hardened Teeth
Hub Length Thru	24.8 mm
Hub O.D.	2.047 in
Bore Size [Min]	0.472 in
No. of Teeth Rows Strands	2
Length Through Bore	1.181 in
Chain No.	06B, 06B-2
Bushing Bore Size [Max]	1.417 in
Pitch Diameter [Min]	63.9 mm
Material Internal Use	Carbon Steel
Stock Bore Size	12 mm
Bushing Bore Size [Min]	0.472 in
Pin Diameter	6.35 mm
Pitch Dia.	2.516 in
O.D.	2.735 in
Bore Size [Max]	1.417 in
Chain Sprocket Pitch	0.375 in
Martin No.	06B21
Bore Style	Minimum Bore
Width Across Teeth	15.44 mm
Bore Range [Max]	36 mm
Outside Dia. [Min]	69.46 mm
Series	B
No. of Strands Across	2
Material External Use	Steel
Outside Dia.	69.46 mm
Material	Steel
Bore Range [Min]	12.01 mm
Chain Sprocket Number	06B
Pitch Diameter	63.9 mm
Width Across Teeth Rows	0.603 in
Chain Pitch	9.525 mm
Root Diameter	57.6 mm
No. of Teeth	21
Weight	1.51 LB
EAN or UPC	697950396200