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

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