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
Chain Sprocket Number
40
Hub Recess Width
3/16 in
Hub Recessed
1
Pitch Diameter
2.7211 in
Caliper Diameter
2.3975 in
Outside Dia.
2.975 in
Hub Recess Depth
0.178 in
Single Strand Tooth Thickness
0.275 in
Hub OD @ Recess
2.145 in
Bore Size [Min]
0.375 in
Chain Sprocket Pitch
0.5 in
Type
11
Chain Pitch
0.500 in
Outside Dia. [Min]
2.975 in
Hub Dia.
2 1/2 in
Bushing Series
H
Bore Size [Max]
1.5 in
Overall Length Less Threads
N/A
O.D.
2.975 in
Material Internal Use
Carbon Steel
Construction Internal
Solid With Recess Groove
Chain No.
40-2
Material External Use
Steel
Hub Projection
0.66 in
Material
Steel
Length Through Bore
0.875 in
Pitch Dia.
2.721 in
Sprocket Style
B
No. of Teeth Rows Strands
2
Hardened Teeth
With Hardened Teeth
No. of Strands Across
2
No. of Teeth
17
Bushing Type
Split Taper
Bushing Bore Size [Max]
1.5 in
Overall Length
2.15625 in
Hub O.D.
2.5 in
Bushing Bore Size [Min]
0.375 in
Tooth Width
0.275 in
Bushing Bore [Max]
1.5 in
Bushing Bore [Min]
0.375 in
Inch/Metric
Inch
Bore Type
Bushed
Width Across Teeth
0.841 in
Hub Length
0.66 in
Weight
1.13 LB
EAN or UPC
697950098142
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