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