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
Martin No.
80BTB13H
Hub Projection
0.93 in
O.D.
4.657 in
Caliper Diameter
3.5231 in
Bushing Type
Taper Lock
Hardened Teeth
With Hardened Teeth
Material Internal Use
Carbon Steel
Construction Internal
Solid
No. of Strands Across
1
Overall Length
1 1/2 in
Length Through Bore
1.5 in
Outside Dia. [Min]
4.6570 in
Type
B
Inch/Metric
Inch
Chain Pitch
1.000 in
Overall Length Less Threads
N/A
Bushing Bore [Min]
0.5 in
Chain Sprocket Number
80
Pitch Diameter
4.179 in
Sprocket Style
B
Material
Steel
Hub O.D.
3 in
Single Strand Tooth Thickness
0.575 in
Chain Sprocket Pitch
1 in
Chain No.
80
Tooth Width
0.575 in
Bushing Bore Size [Max]
1.625 in
Outside Dia.
4.657 in
Width Across Teeth
1.5 in
Bushing Bore Size [Min]
0.5 in
Bore Type
Bushed
Hub Length
0.93 in
No. of Teeth Rows Strands
1
Bushing Series
1615
Pitch Dia.
4.179 in
Bore Size [Min]
0.5 in
Bushing Bore [Max]
1 5/8 in
Material External Use
Steel
Hub Dia.
3 in
Bore Size [Max]
1.625 in
No. of Teeth
13
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
