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
Material
Steel
Single Strand Tooth Thickness
0.444 in
Bore Size [Max]
2.75 in
Outside Dia.
5.907 in
Bore Type
Bushed
Bushing Bore [Max]
2 in
Bushing Bore Size [Max]
2.75 in
No. of Teeth Rows Strands
1
Chain No.
60
No. of Teeth
23
Tooth Width
0.444 in
Hub Projection
0.81 in
Construction Internal
Solid
Bushing Bore [Min]
1/2 in
Outside Dia. [Min]
5.9070 in
Hub O.D.
3.563 in
Chain Sprocket Pitch
0.75 in
Pitch Dia.
5.508 in
Hub Dia.
3 9/16 in
Pitch Diameter
5.508 in
Length Through Bore
1.25 in
Overall Length Less Threads
N/A
Bushing Series
2012
Hub Length
0.81 in
O.D.
5.907 in
Width Across Teeth
1.25 in
Chain Sprocket Number
60
Martin No.
60BTB23H
Bushing Type
Taper Lock
Type
B
Overall Length
1 1/4 in
Hardened Teeth
With Hardened Teeth
Sprocket Style
B
No. of Strands Across
1
Chain Pitch
0.750 in
Material Internal Use
Atomized Metals
Material External Use
Steel
Caliper Diameter
5.0262 in
Inch/Metric
Inch
Weight
1.34 LB
EAN or UPC
697950043432
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