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
Steel
No. of Teeth
16
Bore Size [Min]
1.125 in
Bore Size [Max]
3.75 in
Key Way Size
0.75 in
Keyway
w/Keyway
Outside Dia. [Min]
9.848 in
Hub Dia.
5 1/2 in
Hub Length
1.13 in
Caliper Diameter
7.9702 in
Construction Internal
Welded
Pitch Diameter
8.9702 in
Chain No.
140
Length Through Bore
2 in
Bushing Bore [Max]
3.75 in
Material External Use
Steel
Type
B
Sprocket Style
B
Hardened Teeth
With Hardened Teeth
Chain Pitch
1.750 in
Width Across Teeth
0.924 in
Bushing Bore Size [Max]
3.75 in
Bushing Type
Split Taper
Material Internal Use
Carbon Steel
No. of Teeth Rows Strands
1
Hub O.D.
5.5 in
Bore Type
Bushed
Chain Sprocket Pitch
1.75 in
Hub Projection
1.13 in
Tooth Width
0.924 in
Bushing Bore [Min]
1.125 in
Bushing Bore Size [Min]
1.125 in
Overall Length Less Threads
N/A
O.D.
9.848 in
Overall Length
3.15625 in
No. of Strands Across
1
Keyway Size
0.75 in
Outside Dia.
9.848 in
Single Strand Tooth Thickness
0.924 in
Pitch Dia.
8.97 in
Bushing Series
R1
Inch/Metric
Inch
Chain Sprocket Number
140
Weight
15.16 LB
EAN or UPC
697950126951
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