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
Construction Internal
Welded
Bushing Series
R1
Pitch Diameter
12.8519 in
Keyway
w/Keyway
No. of Strands Across
1
Overall Length Less Threads
N/A
Inch/Metric
Inch
Hub Projection
1.08 in
Hub Length
1.08 in
Bore Size [Max]
3.75 in
Bore Type
Bushed
O.D.
13.782 in
Bushing Type
Split Taper
Width Across Teeth
0.924 in
Chain Sprocket Pitch
1.75 in
Type
C
Bushing Bore Size [Min]
1.125 in
Outside Dia. [Min]
13.782 in
Material External Use
Steel
Overall Length
3.15625 in
Hub O.D.
5.5 in
Chain No.
140
Bushing Bore [Min]
1.125 in
Pitch Dia.
12.852 in
Keyway Size
0.75 in
Outside Dia.
13.782 in
Sprocket Style
B
Material
Steel
Caliper Diameter
11.8219 in
Single Strand Tooth Thickness
0.924 in
Hardened Teeth
With Hardened Teeth
Hub Dia.
5 1/2 in
Chain Sprocket Number
140
Key Way Size
0.75 in
Bore Size [Min]
1.125 in
Length Through Bore
2 in
Bushing Bore [Max]
3.75 in
Chain Pitch
1.750 in
Bushing Bore Size [Max]
3.75 in
Material Internal Use
Carbon Steel
Tooth Width
0.924 in
No. of Teeth
23
No. of Teeth Rows Strands
1
Weight
31.28 LB
EAN or UPC
697950125848
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