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
Inch/Metric
Inch
Bushing Bore [Min]
1.125 in
Overall Length Less Threads
N/A
Bushing Bore [Max]
3.75 in
Chain No.
140
Hardened Teeth
With Hardened Teeth
Bushing Type
Split Taper
Hub Projection
1.08 in
Single Strand Tooth Thickness
0.924 in
No. of Strands Across
1
Key Way Size
0.75 in
Material
Steel
Chain Sprocket Number
140
Length Through Bore
2 in
Keyway Size
0.75 in
Tooth Width
0.924 in
Hub Dia.
5 1/2 in
Construction Internal
Welded
No. of Teeth
21
Chain Pitch
1.750 in
Type
B
Bore Type
Bushed
Hub Length
1.08 in
Bore Size [Max]
3.75 in
Material External Use
Steel
Keyway
w/Keyway
Hub O.D.
5.5 in
Sprocket Style
B
Outside Dia.
12.66 in
Caliper Diameter
10.7088 in
Bushing Bore Size [Min]
1.125 in
No. of Teeth Rows Strands
1
Width Across Teeth
0.924 in
Chain Sprocket Pitch
1.75 in
Pitch Dia.
11.742 in
Overall Length
3.15625 in
Pitch Diameter
11.7416 in
Bushing Series
R1
Bushing Bore Size [Max]
3.75 in
Bore Size [Min]
1.125 in
Material Internal Use
Carbon Steel
Outside Dia. [Min]
12.66 in
O.D.
12.66 in
Weight
26.07 LB
EAN or UPC
697950125824
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