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