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
To be run with (2) separate single row chains
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
Material Internal Use
Carbon Steel
Material
Steel
Tooth Width
0.284 in
Outside Dia. [Min]
3.46 in
Hardened Teeth
With Hardened Teeth
Bore Type
Bushed
Width Across Teeth
1.41 in
Length Through Bore
1.406 in
Overall Length
1.40625 in
Bushing Type
Taper Lock
Bushing Bore Size [Max]
1.25 in
Chain Sprocket Pitch
0.5 in
Bushing Series
1215
Inch/Metric
Inch
Bushing Bore [Min]
0.5 in
No. of Strands Across
Double Single
No. of Teeth Rows Strands
2
Pitch Dia.
3.196 in
Outside Dia.
3.457 in
Bore Size [Max]
1.25 in
O.D.
3.457 in
Chain Sprocket Number
40
Single Strand Tooth Thickness
0.284 in
Bushing Bore Size [Min]
0.5 in
Hub Dia.
2 5/8 in
No. of Teeth
20
Type
A-Double Single
Sprocket Style
A
Chain Pitch
0.500 in
Bushing Bore [Max]
1.25 in
Caliper Diameter
2.88 in
Chain No.
40
Material External Use
Steel
Construction Internal
Solid
Bore Size [Min]
0.5 in
Pitch Diameter
3.2 in
Overall Length Less Threads
N/A
Weight
1.42 LB
EAN or UPC
697950029535
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