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
Pitch Diameter
5.746 in
Type
B
O.D.
6.147 in
Hub O.D.
3.563 in
Outside Dia. [Min]
6.1470 in
Length Through Bore
1.25 in
Hub Projection
0.81 in
Material
Steel
Tooth Width
0.444 in
No. of Teeth Rows Strands
1
Bushing Type
Taper Lock
Chain Sprocket Pitch
0.75 in
Overall Length Less Threads
N/A
No. of Teeth
24
Bore Size [Max]
2.75 in
Martin No.
60BTB24H
Material Internal Use
Carbon Steel
Construction Internal
Welded
Bushing Bore [Max]
2 in
Bushing Bore [Min]
1/2 in
Inch/Metric
Inch
Pitch Dia.
5.746 in
Bushing Bore Size [Max]
2.75 in
Bushing Series
2012
Hardened Teeth
With Hardened Teeth
Chain Pitch
0.750 in
Outside Dia.
6.147 in
Chain Sprocket Number
60
Single Strand Tooth Thickness
0.444 in
Chain No.
60
Sprocket Style
B
Material External Use
Steel
Overall Length
1 1/4 in
Hub Dia.
3 9/16 in
No. of Strands Across
1
Caliper Diameter
5.277 in
Width Across Teeth
1.25 in
Hub Length
0.81 in
Bore Type
Bushed
Weight
3.44 LB
EAN or UPC
697950043449
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
