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
Inch/Metric
Inch
Outside Dia.
6.387 in
Bore Size [Min]
0.5 in
Tooth Width
0.444 in
No. of Teeth Rows Strands
2
Bushing Bore Size [Min]
0.5 in
Bushing Bore [Max]
2 1/2 in
Bore Type
Bushed
Bushing Bore Size [Max]
2.5 in
Outside Dia. [Min]
6.3870 in
Single Strand Tooth Thickness
0.444 in
No. of Teeth
25
Pitch Dia.
5.984 in
Material External Use
Steel
Caliper Diameter
5 1/2 in
Bushing Bore [Min]
0.5 in
Hub Projection
0.41 in
Bore Size [Max]
2.5 in
Material
Steel
Width Across Teeth
1.341 in
Hub Dia.
5.1563 in
Chain Sprocket Pitch
0.75 in
Hub O.D.
5.156 in
Bushing Series
2517
Hub Length
0.41 in
Chain Sprocket Number
60
Overall Length
1 3/4 in
Overall Length Less Threads
N/A
Material Internal Use
Carbon Steel
O.D.
6.387 in
Pitch Diameter
5.980 in
Chain Pitch
0.750 in
Chain No.
60-2
Martin No.
60BTB25H
Bushing Type
Taper Lock
Type
B
Length Through Bore
1.75 in
No. of Strands Across
2
Construction Internal
Solid
Sprocket Style
B
Hardened Teeth
With Hardened Teeth
Weight
7.44 LB
EAN or UPC
697950032009
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
