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