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