80BTB21

Single Strand Sprocket; 80 Chain Size; 21 Teeth; Requires 2517 Taper Lock Bushing

Item #100804393

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each One-time purchase

Product Details

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’ Taper bushings

Specifications

No. of Teeth	21
Bushing Series	2517
Tooth Width	0.575 in
Overall Length Less Threads	N/A
Single Strand Tooth Thickness	0.575 in
Bore Size [Min]	0.5 in
No. of Teeth Rows Strands	1
Chain No.	80
Length Through Bore	1.75 in
Type	B
Hardened Teeth	Without Hardened Teeth
Outside Dia. [Min]	7.2350 in
Material Internal Use	Carbon Steel
Hub O.D.	4.25 in
Hub Length	1.19 in
Bore Size [Max]	2.5 in
O.D.	7.235 in
Bushing Type	Taper Lock
Sprocket Style	B
Width Across Teeth	0.575 in
Chain Sprocket Number	80
Bore Type	Bushed
Hub Dia.	4 1/4 in
Bushing Bore [Min]	0.5 in
Material External Use	Steel
Material	Steel
Pitch Diameter	6.710 in
Outside Dia.	7.235 in
Construction Internal	Welded
Inch/Metric	Inch
Martin No.	80BTB21
Bushing Bore [Max]	2 1/2 in
Overall Length	1 3/4 in
Bushing Bore Size [Min]	0.5 in
Hub Projection	1.19 in
Pitch Dia.	6.71 in
Caliper Diameter	6.07 in
Chain Pitch	1.000 in
Chain Sprocket Pitch	1 in
No. of Strands Across	1
Bushing Bore Size [Max]	2.5 in
Weight	5.76 LB
EAN or UPC	697950032221