Hardened teeth on the smaller sprocket of a roller chain drive are recommended if the drive ratio is four to one or greater or if the smaller sprocket has 24 teeth or less and is running at a speed of over 600 rpm.
features
Hardened teeth sprockets afford longer chain and sprocket life
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
Stocked Heat Treat
O.D.
7.555 in
Caliper Diameter
6.4017 in
Inch/Metric
Inch
Material Internal Use
Carbon Steel
Construction Internal
Welded
No. of Strands Across
1
Outside Dia. [Min]
7.5550 in
Martin No.
80BTB22H
Overall Length Less Threads
N/A
Hardened Teeth
With Hardened Teeth
Hub Projection
1.19 in
Overall Length
1 3/4 in
Outside Dia.
7.555 in
Chain Sprocket Number
80
Bushing Series
2517
Width Across Teeth
1.75 in
Bushing Type
Taper Lock
Hub Length
1.19 in
Type
B
Single Strand Tooth Thickness
0.575 in
Material
Steel
Bushing Bore [Max]
2 1/2 in
No. of Teeth
22
Chain Pitch
1.000 in
Hub O.D.
4.25 in
Length Through Bore
1.75 in
Chain No.
80
Bore Size [Max]
2.875 in
No. of Teeth Rows Strands
1
Chain Sprocket Pitch
1 in
Pitch Diameter
7.027 in
Bushing Bore [Min]
1/2 in
Material External Use
Steel
Pitch Dia.
7.027 in
Bore Type
Bushed
Sprocket Style
B
Tooth Width
0.575 in
Hub Dia.
4 1/4 in
Bushing Bore Size [Max]
2.875 in
Weight
6.41 LB
EAN or UPC
697950043616
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