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