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