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
No. of Teeth Rows Strands
1
Chain Sprocket Pitch
1.25 in
O.D.
12.643 in
Single Strand Tooth Thickness
0.692 in
Type
B
Inch/Metric
Inch
Keyway
w/Keyway
Bore Size [Max]
2.688 in
Hardened Teeth
With Hardened Teeth
Tooth Width
0.692 in
Hub Length
1.06 in
Material Internal Use
Carbon Steel
Key Way Size
0.5 in
Pitch Diameter
11.9585 in
Hub O.D.
4.25 in
Construction Internal
Welded
No. of Teeth
30
Material
Steel
Sprocket Style
B
Outside Dia. [Min]
12.643 in
Chain No.
100
Chain Pitch
1.250 in
Bore Type
Bushed
Overall Length
2.78125 in
No. of Strands Across
1
Material External Use
Steel
Caliper Diameter
11.2085 in
Outside Dia.
12.643 in
Pitch Dia.
11.959 in
Bushing Bore Size [Min]
0.75 in
Bushing Bore Size [Max]
2.688 in
Overall Length Less Threads
N/A
Bushing Bore [Min]
0.75 in
Bushing Type
Split Taper
Chain Sprocket Number
100
Bushing Series
Q1
Hub Dia.
4 1/4 in
Keyway Size
0.5 in
Length Through Bore
1.75 in
Hub Projection
1.06 in
Bore Size [Min]
0.75 in
Width Across Teeth
0.692 in
Bushing Bore [Max]
2.6875 in
Weight
20.95 LB
EAN or UPC
697950098050
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