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
Type
A
Length Through Bore
1.336 in
Bushing Bore Size [Min]
0.5 in
Pitch Diameter
4.320 in
Bushing Bore [Max]
2 in
Bushing Bore [Min]
0.5 in
Bushing Series
2012
Chain Sprocket Number
60
Bushing Bore Size [Max]
2 in
Chain Sprocket Pitch
0.75 in
Martin No.
60BTB18H
Bore Size [Max]
2 in
Overall Length
1 1/4 in
Hardened Teeth
With Hardened Teeth
Material External Use
Steel
No. of Teeth
18
Outside Dia. [Min]
4.7030 in
Bore Type
Bushed
Bushing Type
Taper Lock
Chain Pitch
0.750 in
Construction Internal
Solid
Width Across Teeth
1.341 in
Chain No.
60-2
O.D.
4.703 in
No. of Strands Across
2
Inch/Metric
Inch
Outside Dia.
4.703 in
Hub Dia.
N/A
Overall Length Less Threads
N/A
Bore Size [Min]
0.5 in
Sprocket Style
A
Tooth Width
0.444 in
Pitch Dia.
4.319 in
No. of Teeth Rows Strands
2
Material
Steel
Caliper Diameter
3.85 in
Single Strand Tooth Thickness
0.444 in
Material Internal Use
Carbon Steel
Weight
2.82 LB
EAN or UPC
697950031965
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