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