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
Hardened Teeth
With Hardened Teeth
Overall Length Less Threads
N/A
Material External Use
Steel
Inch/Metric
Inch
Bushing Type
Split Taper
Single Strand Tooth Thickness
0.924 in
Overall Length
2.78125 in
Type
B
No. of Strands Across
1
Width Across Teeth
0.924 in
Outside Dia. [Min]
7.581 in
Chain Sprocket Number
140
Caliper Diameter
5.7615 in
Material
Steel
Hub O.D.
4.125 in
Key Way Size
0.5 in
Tooth Width
0.924 in
Length Through Bore
1.75 in
Material Internal Use
Carbon Steel
Bore Type
Bushed
Chain No.
140
Hub Dia.
4 1/8 in
Bushing Series
Q1
Bore Size [Min]
0.75 in
Keyway
w/Keyway
Hub Length
0.83 in
Hub Projection
0.83 in
Bushing Bore Size [Max]
2.688 in
Sprocket Style
B
Pitch Diameter
6.7615 in
Chain Pitch
1.750 in
Bore Size [Max]
2.688 in
Keyway Size
0.5 in
Bushing Bore [Min]
0.75 in
Construction Internal
Solid
Bushing Bore Size [Min]
0.75 in
O.D.
7.581 in
Pitch Dia.
6.762 in
No. of Teeth Rows Strands
1
Bushing Bore [Max]
2.6875 in
Chain Sprocket Pitch
1.75 in
No. of Teeth
12
Outside Dia.
7.581 in
Weight
8.46 LB
EAN or UPC
697950126913
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