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]
0.5 in
Martin No.
60BTB15H
Inch/Metric
Inch
Sprocket Style
B
Type
B
Pitch Dia.
3.607 in
O.D.
3.978 in
Hub O.D.
2.781 in
Material External Use
Steel
Overall Length Less Threads
N/A
Caliper Diameter
3.1185 in
Pitch Diameter
3.607 in
Bushing Bore Size [Max]
1.625 in
Bushing Bore [Max]
1 5/8 in
No. of Strands Across
1
Tooth Width
0.444 in
Length Through Bore
1 in
Outside Dia.
3.978 in
Bushing Series
1610
Material Internal Use
Atomized Metals
Material
Steel
No. of Teeth
15
Chain Pitch
0.750 in
Hub Length
0.54 in
Chain Sprocket Number
60
No. of Teeth Rows Strands
1
Outside Dia. [Min]
3.9780 in
Single Strand Tooth Thickness
0.444 in
Bore Size [Min]
0.5 in
Hub Projection
0.54 in
Bushing Type
Taper Lock
Chain Sprocket Pitch
0.75 in
Overall Length
1 in
Bushing Bore Size [Min]
0.5 in
Bore Type
Bushed
Hub Dia.
2.7813 in
Construction Internal
Solid
Hardened Teeth
With Hardened Teeth
Bore Size [Max]
1.625 in
Width Across Teeth
1 in
Chain No.
60
Weight
1.06 LB
EAN or UPC
697950043357
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