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
No. of Teeth Rows Strands
1
Outside Dia. [Min]
6.1470 in
Bushing Type
Taper Lock
O.D.
6.147 in
Hub Projection
0.81 in
Chain No.
60
No. of Teeth
24
Material
Steel
Martin No.
60BTB24H
Tooth Width
0.444 in
Type
B
Bushing Bore [Min]
1/2 in
Overall Length
1 1/4 in
Material External Use
Steel
Hub Dia.
3 9/16 in
Bushing Bore [Max]
2 in
Pitch Dia.
5.746 in
Sprocket Style
B
Width Across Teeth
1.25 in
Hardened Teeth
With Hardened Teeth
Single Strand Tooth Thickness
0.444 in
Bushing Series
2012
No. of Strands Across
1
Construction Internal
Welded
Material Internal Use
Carbon Steel
Inch/Metric
Inch
Bushing Bore Size [Max]
2.75 in
Outside Dia.
6.147 in
Caliper Diameter
5.277 in
Chain Sprocket Number
60
Length Through Bore
1.25 in
Hub O.D.
3.563 in
Pitch Diameter
5.746 in
Bore Type
Bushed
Hub Length
0.81 in
Chain Sprocket Pitch
0.75 in
Chain Pitch
0.750 in
Overall Length Less Threads
N/A
Bore Size [Max]
2.75 in
Weight
3.44 LB
EAN or UPC
697950043449
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