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