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