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