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’ QD bushings
Stocked Heat Treat
Bore Size [Min]
0.5 in
Screw Size
1/4-20 UNC
Hub Projection
0.31 in
Hub O.D.
3.25 in
Chain Sprocket Number
60
No. of Teeth
25
No. of Strands Across
1
Bore Size [Max]
2 in
Bushing Series
SDS
Length Through Bore
0.75 in
Bushing Bore Size [Max]
2 in
Hub Length
0.31 in
Bushing Bore [Max]
2 in
Construction Internal
Welded
Chain No.
60
Chain Sprocket Pitch
0.75 in
Material Internal Use
Carbon Steel
Pitch Dia.
5.984 in
Chain Pitch
0.750 in
Outside Dia.
6.387 in
O.D.
6.387 in
Martin No.
60SDS25H
Single Strand Tooth Thickness
0.459 in
Material
Steel
Bushing Bore [Min]
0.5 in
Outside Dia. [Min]
6.3870 in
Bore Type
Bushed
Sprocket Style
B
Inch/Metric
Inch
Overall Length
3/4 in
Caliper Diameter
5.5032 in
Overall Length Less Threads
N/A
Type
B
Hub Dia.
3 1/4 in
Bushing Type
QD
No. of Teeth Rows Strands
1
Pitch Diameter
5.984 in
Hardened Teeth
With Hardened Teeth
Width Across Teeth
0.459 in
Material External Use
Steel
Tooth Width
0.459 in
Bushing Bore Size [Min]
0.5 in
Weight
3.24 LB
EAN or UPC
697950042053
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