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