E100B21

Triple Strand Sprocket

Item #100806403

1.25 in Minimum Bore

3.75 in Maximum Bore

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Alternate Products

US Tsubaki Inc. E100B21

No. 100 - 1 1/4" Pitch - Multiple Strand Sprockets

Item #105089835

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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.

Tolerances meet or exceed ANSI standards
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
Interchangeable with other manufacturers’ split-taper bushings

Specifications

No. of Strands Across	3
Martin No.	100B21
Length Through Bore	4.75 in
Bore Style	Minimum Bore
Chain Sprocket Pitch	1.25 in
Pitch Diameter [Min]	8.39 in
Stock Bore Size	1.25 in
Chain Sprocket Number	100
Hub O.D.	5.5 in
Construction Internal	Solid
Bore Range [Min]	1.25 in
Hub Dia.	5 1/2 in
Bore Size [Max]	3.75 in
Outside Dia.	9.043 in
O.D.	9.043 in
No. of Teeth Rows Strands	3
Single Strand Tooth Thickness	0.669 in
Pitch Diameter	8.39 in
Material Internal Use	Carbon Steel
Bore Range [Max]	3.75 in
Inch/Metric	Inch
Bushing Bore Size [Min]	1.25 in
Hub Projection	1.272 in
Chain Pitch	1.250 in
Material	Steel
Width Across Teeth	3.478 in
Hub Length Thru	4.081 in
No. of Teeth	21
Hardened Teeth	Without Hardened Teeth
Chain No.	100
Bushing Bore Size [Max]	3.75 in
Finished Bore Size	1.25 in
Bore Type	Finished Bore
Material External Use	Steel
Sprocket Style	B
Pitch Dia.	8.387 in
Caliper Diameter	7.613 in
Family Name	No. 100 - 1 1/4 in Pitch - Triple - Type B & C
Series	B
Bore Size [Min]	1.25 in
Bushing Bore [Min]	1.25 in
Outside Dia. [Min]	9.043 in
Weight	52.3 LB
EAN or UPC	697950024301