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
No. of Teeth Rows Strands
1
Bushing Bore [Max]
3.75 in
Hub Projection
1.08 in
Material Internal Use
Carbon Steel
No. of Strands Across
1
Pitch Diameter
13.9628 in
Overall Length
3.15625 in
Single Strand Tooth Thickness
0.924 in
Keyway Size
0.75 in
Caliper Diameter
12.9352 in
Key Way Size
0.75 in
Tooth Width
0.924 in
Outside Dia.
14.903 in
Pitch Dia.
13.963 in
Sprocket Style
B
Inch/Metric
Inch
Width Across Teeth
0.924 in
Construction Internal
Welded
Length Through Bore
2 in
Material
Steel
Chain Sprocket Number
140
Chain No.
140
Hub Length
1.08 in
Bore Type
Bushed
Bore Size [Max]
3.75 in
O.D.
14.903 in
Hub Dia.
5 1/2 in
Bushing Type
Split Taper
Bushing Bore [Min]
1.125 in
Bore Size [Min]
1.125 in
Material External Use
Steel
Bushing Bore Size [Min]
1.125 in
Type
C
Bushing Series
R1
No. of Teeth
25
Overall Length Less Threads
N/A
Hardened Teeth
With Hardened Teeth
Chain Pitch
1.750 in
Hub O.D.
5.5 in
Chain Sprocket Pitch
1.75 in
Keyway
w/Keyway
Outside Dia. [Min]
14.903 in
Bushing Bore Size [Max]
3.75 in
Weight
36.97 LB
EAN or UPC
697950125862
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