Single Strand Sprocket; 40 Chain Size; 25 Teeth; Requires SH QD Bushing
Item #105102423
each
Single Strand Sprocket
40 Chain Size
25 Teeth
Requires QD SH Bushing
With Hardened Teeth
description
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
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
Hub O.D.
2.75 in
Bushing Bore [Min]
0.5 in
Sprocket Style
B
Construction Internal
Solid
Overall Length
0.8125 in
Overall Length Less Threads
N/A
Pitch Diameter
3.9894 in
Bushing Bore [Max]
1.625 in
Martin No.
40SH25H
Tooth Width
0.284 in
Chain Sprocket Number
40
Pitch Dia.
3.989 in
Chain Pitch
0.500 in
Material
Steel
Inch/Metric
Inch
Screw Size
1/4-20 UNC
Width Across Teeth
0.284 in
Length Through Bore
0.812 in
No. of Strands Across
1
Single Strand Tooth Thickness
0.284 in
Bushing Bore Size [Max]
1.688 in
Hub Dia.
3 in
Material Internal Use
Carbon Steel
Bore Size [Min]
0.5 in
No. of Teeth Rows Strands
1
Chain No.
40
O.D.
4.258 in
Bushing Bore Size [Min]
0.5 in
Bore Type
Bushed
Bushing Type
QD
Hub Projection
0.53 in
Type
B
No. of Teeth
25
Caliper Diameter
3.6695 in
Material External Use
Steel
Bore Size [Max]
1.688 in
Chain Sprocket Pitch
0.5 in
Hub Length
0.53 in
Outside Dia. [Min]
4.258 in
Hardened Teeth
With Hardened Teeth
Outside Dia.
4.258 in
Bushing Series
SH
Weight
1.3 LB
EAN or UPC
697950041681
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