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
O.D.
5.185 in
Chain Pitch
0.750 in
Bushing Bore [Max]
2 in
Hardened Teeth
With Hardened Teeth
Overall Length
1 1/4 in
Construction Internal
Solid
No. of Teeth Rows Strands
1
Type
B
Chain No.
60
Chain Sprocket Number
60
Outside Dia.
5.185 in
Material Internal Use
Atomized Metals
Bushing Series
2012
Caliper Diameter
4.3253 in
Material External Use
Steel
Length Through Bore
1.25 in
Outside Dia. [Min]
5.1850 in
Inch/Metric
Inch
Hub Dia.
3 9/16 in
Pitch Dia.
4.794 in
Tooth Width
0.444 in
Hub O.D.
3.563 in
Sprocket Style
B
Bushing Bore [Min]
1/2 in
Hub Length
0.81 in
Bushing Bore Size [Max]
2.625 in
No. of Strands Across
1
No. of Teeth
20
Hub Projection
0.81 in
Martin No.
60BTB20H
Single Strand Tooth Thickness
0.444 in
Material
Steel
Bore Type
Bushed
Pitch Diameter
4.794 in
Width Across Teeth
1.25 in
Chain Sprocket Pitch
0.75 in
Overall Length Less Threads
N/A
Bushing Type
Taper Lock
Bore Size [Max]
2.625 in
Weight
1.38 LB
EAN or UPC
697950043401
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