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
Bushing Bore Size [Max]
3.75 in
Bushing Bore [Min]
1.125 in
Hardened Teeth
With Hardened Teeth
Hub O.D.
5.5 in
Keyway
w/Keyway
Bushing Bore [Max]
3.75 in
No. of Teeth Rows Strands
1
Key Way Size
0.75 in
No. of Teeth
15
Width Across Teeth
0.924 in
Hub Projection
1.08 in
Single Strand Tooth Thickness
0.924 in
Material Internal Use
Carbon Steel
Construction Internal
Solid
Bore Type
Bushed
Tooth Width
0.924 in
Keyway Size
0.75 in
Overall Length Less Threads
N/A
Chain Pitch
1.750 in
Overall Length
3.15625 in
Type
B
Bushing Series
R1
Bore Size [Min]
1.125 in
Length Through Bore
2 in
Hub Length
1.08 in
Chain Sprocket Pitch
1.75 in
Pitch Diameter
8.417 in
Outside Dia.
9.283 in
Bushing Bore Size [Min]
1.125 in
Chain No.
140
Outside Dia. [Min]
9.283 in
Sprocket Style
B
Hub Dia.
5 1/2 in
Inch/Metric
Inch
No. of Strands Across
1
Bore Size [Max]
3.75 in
O.D.
9.283 in
Caliper Diameter
7.3709 in
Chain Sprocket Number
140
Bushing Type
Split Taper
Pitch Dia.
8.417 in
Material
Steel
Material External Use
Steel
Weight
13.67 LB
EAN or UPC
697950126944
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