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
Overall Length Less Threads
N/A
No. of Teeth
14
Keyway
w/Keyway
Bushing Bore [Min]
1.125 in
Bushing Bore Size [Max]
3.75 in
Overall Length
3.15625 in
Chain Pitch
1.750 in
Pitch Dia.
7.864 in
Key Way Size
0.75 in
Single Strand Tooth Thickness
0.924 in
Bore Size [Min]
1.125 in
Tooth Width
0.924 in
Bushing Series
R1
Chain Sprocket Number
140
Hardened Teeth
With Hardened Teeth
Bushing Bore [Max]
3.75 in
Chain No.
140
Material
Steel
Type
B
Hub Length
1.08 in
Material External Use
Steel
Outside Dia.
8.717 in
Caliper Diameter
6.8644 in
Inch/Metric
Inch
Hub Projection
1.08 in
Bore Size [Max]
3.75 in
Sprocket Style
B
Chain Sprocket Pitch
1.75 in
Width Across Teeth
0.924 in
Bushing Bore Size [Min]
1.125 in
Hub Dia.
5 1/2 in
Outside Dia. [Min]
8.717 in
No. of Teeth Rows Strands
1
Material Internal Use
Carbon Steel
Keyway Size
0.75 in
Construction Internal
Solid
Pitch Diameter
7.8644 in
Hub O.D.
5.5 in
Bushing Type
Split Taper
No. of Strands Across
1
Bore Type
Bushed
Length Through Bore
2 in
O.D.
8.717 in
Weight
11.9 LB
EAN or UPC
697950126937
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