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
Material Internal Use
Carbon Steel
Overall Length
5.15625 in
Caliper Diameter
15.7419 in
Hardened Teeth
With Hardened Teeth
Chain Pitch
1.750 in
Bore Type
Bushed
Bore Size [Max]
3.625 in
Hub Length
2 in
Hub O.D.
5.5 in
Length Through Bore
4 in
Construction Internal
Welded
Bushing Bore [Max]
3.625 in
Outside Dia. [Min]
17.7 in
Material External Use
Steel
Chain No.
140
Bore Size [Min]
1.375 in
No. of Teeth
30
Tooth Width
0.924 in
Hub Dia.
5 1/2 in
Pitch Diameter
16.7419 in
Keyway
w/Keyway
Chain Sprocket Pitch
1.75 in
Bushing Series
R2
Bushing Bore Size [Max]
3.625 in
Width Across Teeth
0.924 in
No. of Strands Across
1
Type
C
Hub Projection
2 in
Overall Length Less Threads
N/A
Pitch Dia.
16.742 in
Outside Dia.
17.7 in
Key Way Size
0.75 in
Bushing Bore Size [Min]
1.375 in
Chain Sprocket Number
140
Bushing Type
Split Taper
O.D.
17.7 in
No. of Teeth Rows Strands
1
Single Strand Tooth Thickness
0.924 in
Sprocket Style
C
Inch/Metric
Inch
Keyway Size
0.75 in
Bushing Bore [Min]
1.375 in
Material
Steel
Weight
60.07 LB
EAN or UPC
697950125886
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