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