DS100A21

Double Single Reborable Sprocket

Item #100806387

1.25 in Minimum Bore

5.25 in Maximum Bore

+ Show More

Auto Replenish

each One-time purchase

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.

To be run with (2) separate single row chains
Manufactured of high carbon steel
Precise machining and processes ensure consistent finish and high quality
Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain
Bores are concentric to pitch line, minimizing run out

Specifications

Series	A-Double Single
Outside Dia. [Min]	9.04 in
Hub Length Thru	N/A
Chain Pitch	1.25 in
Family Name	No. 100 - 1 1/4 in Pitch - Double Single - A
Hub Projection	N/A
Bore Range [Max]	5.25 in
No. of Teeth	21
Outside Dia.	9.04 in
No. of Strands Across	2
Sprocket Style	A-Double Single
Length Through Bore	2.69 in
Inch/Metric	Inch
Material	Steel
Pitch Diameter [Min]	8.39 in
Caliper Diameter	7.61 in
Chain No.	100
Width Across Teeth	2.69 in
Bore Style	Minimum Bore
Pitch Diameter	8.39 in
Hardened Teeth	Without Hardened Teeth
Bore Range [Min]	1.25 in
Bore Type	Reborable
Hub Dia.	7 in
Single Strand Tooth Thickness	0.692 in
Martin No.	100A21
Weight	33.7 LB
EAN or UPC	697950030234