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
Chain No.
60
Material
Steel
Material Internal Use
Carbon Steel
Construction Internal
Welded
Width Across Teeth
1.25 in
Sprocket Style
B
Overall Length Less Threads
N/A
Bushing Bore [Min]
1/2 in
Bore Type
Bushed
Bushing Bore [Max]
2 in
Hardened Teeth
With Hardened Teeth
No. of Teeth Rows Strands
1
Tooth Width
0.444 in
Chain Sprocket Pitch
0.75 in
Hub O.D.
3.563 in
Chain Pitch
0.750 in
Hub Projection
0.81 in
Length Through Bore
1.25 in
Outside Dia. [Min]
7.5860 in
Inch/Metric
Inch
Single Strand Tooth Thickness
0.444 in
Bushing Bore Size [Max]
2.75 in
Hub Dia.
3 9/16 in
O.D.
7.586 in
Caliper Diameter
6.7061 in
Pitch Diameter
7.175 in
Hub Length
0.81 in
Bushing Series
2012
No. of Teeth
30
Overall Length
1 1/4 in
Material External Use
Steel
Bore Size [Max]
2.75 in
Chain Sprocket Number
60
Outside Dia.
7.586 in
Bushing Type
Taper Lock
Pitch Dia.
7.175 in
Type
B
No. of Strands Across
1
Martin No.
60BTB30H
Weight
5.18 LB
EAN or UPC
697950043487
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