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