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
Bushing Bore Size [Min]
0.5 in
Inch/Metric
Inch
Pitch Dia.
4.557 in
Construction Internal
Solid
Chain No.
60-2
O.D.
4.945 in
Bushing Bore [Max]
2 in
Overall Length Less Threads
N/A
Bushing Series
2012
Pitch Diameter
4.560 in
Overall Length
1 1/4 in
Bushing Bore Size [Max]
2 in
Chain Sprocket Pitch
0.75 in
Chain Pitch
0.750 in
No. of Strands Across
2
Outside Dia.
4.945 in
No. of Teeth
19
Bore Size [Min]
0.5 in
Outside Dia. [Min]
4.9450 in
Hub Dia.
N/A
Single Strand Tooth Thickness
0.444 in
Bushing Bore [Min]
0.5 in
Type
A
Chain Sprocket Number
60
Sprocket Style
A
Hardened Teeth
With Hardened Teeth
Bushing Type
Taper Lock
Caliper Diameter
4.07 in
Material Internal Use
Carbon Steel
Width Across Teeth
1.341 in
Tooth Width
0.444 in
Bore Type
Bushed
Material
Steel
Bore Size [Max]
2 in
Material External Use
Steel
Length Through Bore
1.336 in
No. of Teeth Rows Strands
2
Martin No.
60BTB19H
Weight
2.96 LB
EAN or UPC
697950031972
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