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
Single Strand Tooth Thickness
0.444 in
Bore Type
Bushed
No. of Teeth Rows Strands
2
Hub Length
0.41 in
Bushing Bore Size [Min]
0.5 in
No. of Teeth
25
Hub O.D.
5.156 in
Bore Size [Max]
2.5 in
Overall Length Less Threads
N/A
Type
B
Hardened Teeth
With Hardened Teeth
Pitch Dia.
5.984 in
Material Internal Use
Carbon Steel
Length Through Bore
1.75 in
Bore Size [Min]
0.5 in
O.D.
6.387 in
Chain Pitch
0.750 in
Hub Dia.
5.1563 in
Inch/Metric
Inch
Chain Sprocket Number
60
Material
Steel
Hub Projection
0.41 in
Material External Use
Steel
Construction Internal
Solid
Bushing Bore [Min]
0.5 in
Chain No.
60-2
Pitch Diameter
5.980 in
Martin No.
60BTB25H
Outside Dia. [Min]
6.3870 in
Sprocket Style
B
Bushing Type
Taper Lock
No. of Strands Across
2
Outside Dia.
6.387 in
Bushing Bore [Max]
2 1/2 in
Overall Length
1 3/4 in
Caliper Diameter
5 1/2 in
Bushing Series
2517
Width Across Teeth
1.341 in
Chain Sprocket Pitch
0.75 in
Bushing Bore Size [Max]
2.5 in
Tooth Width
0.444 in
Weight
7.44 LB
EAN or UPC
697950032009
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