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
Bushing Bore [Max]
2 in
Pitch Diameter
6.222 in
O.D.
6.627 in
Bushing Bore [Min]
1/2 in
Martin No.
60BTB26H
Caliper Diameter
5.7532 in
Overall Length Less Threads
N/A
Tooth Width
0.444 in
Outside Dia.
6.627 in
Inch/Metric
Inch
Chain Pitch
0.750 in
Bushing Series
2012
Hardened Teeth
With Hardened Teeth
Hub Dia.
3 9/16 in
No. of Teeth
26
Bushing Type
Taper Lock
Bore Type
Bushed
Hub O.D.
3.563 in
Width Across Teeth
1.25 in
Material External Use
Steel
Material
Steel
Type
B
Outside Dia. [Min]
6.6270 in
Bore Size [Max]
2.75 in
Single Strand Tooth Thickness
0.444 in
Chain Sprocket Number
60
Sprocket Style
B
No. of Strands Across
1
Hub Projection
0.81 in
Overall Length
1 1/4 in
Length Through Bore
1.25 in
Construction Internal
Welded
Chain No.
60
Chain Sprocket Pitch
0.75 in
Material Internal Use
Carbon Steel
Pitch Dia.
6.222 in
No. of Teeth Rows Strands
1
Hub Length
0.81 in
Bushing Bore Size [Max]
2.75 in
Weight
4.0 LB
EAN or UPC
697950043463
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