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
Bushing Type
Taper Lock
Bore Type
Bushed
Material Internal Use
Carbon Steel
Chain Sprocket Pitch
1 in
Hub Length
0.69 in
No. of Teeth
19
Length Through Bore
1.25 in
No. of Strands Across
1
Overall Length
1 1/4 in
Tooth Width
0.575 in
Chain Pitch
1.000 in
Hardened Teeth
With Hardened Teeth
Width Across Teeth
1.25 in
Sprocket Style
B
Single Strand Tooth Thickness
0.575 in
Pitch Dia.
6.076 in
Outside Dia.
6.593 in
Chain No.
80
Material
Steel
Type
B
Bushing Bore [Max]
2 in
Martin No.
80BTB19H
Bore Size [Max]
2.875 in
Construction Internal
Welded
Hub O.D.
3.563 in
Bushing Series
2012
Pitch Diameter
6.076 in
Material External Use
Steel
Chain Sprocket Number
80
Hub Projection
0.69 in
Inch/Metric
Inch
Overall Length Less Threads
N/A
Bushing Bore Size [Max]
2.875 in
No. of Teeth Rows Strands
1
O.D.
6.593 in
Caliper Diameter
5.4297 in
Bushing Bore [Min]
1/2 in
Outside Dia. [Min]
6.5930 in
Hub Dia.
3 9/16 in
Weight
4.34 LB
EAN or UPC
697950043586
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