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’ split-taper bushings
Bore Size [Max]
3.75 in
O.D.
12.099 in
Material Internal Use
Carbon Steel
Pitch Diameter
11.1868 in
Bushing Type
Split Taper
Chain Sprocket Number
140
Outside Dia.
12.099 in
Bushing Series
R1
Hardened Teeth
With Hardened Teeth
Keyway Size
0.75 in
Hub O.D.
5.5 in
Sprocket Style
B
Bushing Bore [Max]
3.75 in
Material
Steel
No. of Teeth
20
No. of Teeth Rows Strands
1
Hub Projection
1.08 in
Keyway
w/Keyway
Bushing Bore [Min]
1.125 in
Single Strand Tooth Thickness
0.924 in
Caliper Diameter
10.1868 in
Pitch Dia.
11.187 in
Material External Use
Steel
Chain No.
140
Width Across Teeth
0.924 in
Overall Length Less Threads
N/A
Hub Length
1.08 in
Bore Type
Bushed
Bushing Bore Size [Min]
1.125 in
Type
B
Length Through Bore
2 in
Construction Internal
Welded
Key Way Size
0.75 in
Hub Dia.
5 1/2 in
Inch/Metric
Inch
Chain Sprocket Pitch
1.75 in
Bushing Bore Size [Max]
3.75 in
Chain Pitch
1.750 in
Outside Dia. [Min]
12.099 in
Overall Length
3.15625 in
Tooth Width
0.924 in
No. of Strands Across
1
Bore Size [Min]
1.125 in
Weight
23.65 LB
EAN or UPC
697950125817
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