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.
4.657 in
Pitch Dia.
4.179 in
Pitch Diameter
4.179 in
Sprocket Style
B
Bushing Bore [Max]
1 5/8 in
Material
Steel
Hub Projection
0.93 in
Martin No.
80BTB13H
Length Through Bore
1.5 in
Outside Dia.
4.657 in
Chain Sprocket Number
80
Bore Size [Max]
1.625 in
Material External Use
Steel
Chain Pitch
1.000 in
Hub O.D.
3 in
Bushing Bore Size [Max]
1.625 in
Single Strand Tooth Thickness
0.575 in
Material Internal Use
Carbon Steel
Bore Type
Bushed
Overall Length Less Threads
N/A
Outside Dia. [Min]
4.6570 in
Hub Length
0.93 in
Bushing Bore Size [Min]
0.5 in
No. of Teeth Rows Strands
1
Bore Size [Min]
0.5 in
Bushing Series
1615
Inch/Metric
Inch
No. of Teeth
13
Chain Sprocket Pitch
1 in
Bushing Type
Taper Lock
Overall Length
1 1/2 in
Caliper Diameter
3.5231 in
Width Across Teeth
1.5 in
Chain No.
80
Tooth Width
0.575 in
Construction Internal
Solid
Bushing Bore [Min]
0.5 in
Type
B
Hardened Teeth
With Hardened Teeth
No. of Strands Across
1
Hub Dia.
3 in
Weight
1.34 LB
EAN or UPC
697950043524
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
