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