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