Single Strand Sprocket; 120 Chain Size; 12 Teeth; Requires SF QD Bushing
Item #101635825
each
Single Strand Sprocket
120 Chain Size
12 Teeth
Requires QD SF 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
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
Bushing Series
SF
Bore Type
Bushed
Bore Size [Min]
0.5 in
Construction Internal
Solid
Bushing Bore Size [Max]
2.938 in
Chain No.
120
Chain Sprocket Number
120
Hub O.D.
4.75 in
Chain Sprocket Pitch
1.5 in
Chain Pitch
1.500 in
Hub Length
0.33 in
Bushing Type
QD
No. of Strands Across
1
Caliper Diameter
4.9206 in
Width Across Teeth
0.924 in
Material
Steel
No. of Teeth Rows Strands
1
No. of Teeth
12
Overall Length
1 1/4 in
Inch/Metric
Inch
Hardened Teeth
With Hardened Teeth
Pitch Dia.
5.796 in
Tooth Width
0.924 in
Martin No.
120SF12H
Length Through Bore
1.25 in
Material Internal Use
Carbon Steel
Screw Size
1/4-20 NC
Bore Size [Max]
2.938 in
O.D.
6.498 in
Bushing Bore [Max]
2 15/16 in
Hub Projection
0.33 in
Type
B
Single Strand Tooth Thickness
0.924 in
Outside Dia. [Min]
6.4980 in
Outside Dia.
6.498 in
Overall Length Less Threads
N/A
Material External Use
Steel
Bushing Bore [Min]
0.5 in
Pitch Diameter
5.796 in
Bushing Bore Size [Min]
0.5 in
Sprocket Style
B
Hub Dia.
4 3/8 in
Weight
4.7 LB
EAN or UPC
697950042480
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