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
Bushing Bore [Min]
1/2 in
Type
B
Bushing Series
1610
No. of Teeth
19
Outside Dia.
4.945 in
Bore Size [Max]
2.375 in
Material External Use
Steel
Chain Sprocket Pitch
0.75 in
Hub Length
0.56 in
Caliper Diameter
4.0721 in
Single Strand Tooth Thickness
0.444 in
Chain Sprocket Number
60
Width Across Teeth
1 in
Overall Length
1 in
Hardened Teeth
With Hardened Teeth
O.D.
4.945 in
Bushing Bore [Max]
1 5/8 in
Chain Pitch
0.750 in
Sprocket Style
B
Pitch Dia.
4.557 in
No. of Teeth Rows Strands
1
Martin No.
60BTB19H
Bushing Type
Taper Lock
Bushing Bore Size [Max]
2.375 in
Outside Dia. [Min]
4.9450 in
Material Internal Use
Atomized Metals
Length Through Bore
1 in
Inch/Metric
Inch
Construction Internal
Solid
Hub Dia.
3 1/4 in
Hub O.D.
3.5 in
Overall Length Less Threads
N/A
No. of Strands Across
1
Chain No.
60
Material
Steel
Bore Type
Bushed
Tooth Width
0.444 in
Hub Projection
0.56 in
Pitch Diameter
4.557 in
Weight
1.34 LB
EAN or UPC
697950043395
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