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

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