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’ Taper bushings
Stocked Heat Treat
Bushing Bore Size [Max]
1.625 in
Hardened Teeth
With Hardened Teeth
Chain Sprocket Pitch
0.5 in
Width Across Teeth
1 in
Outside Dia. [Min]
3.778 in
Bushing Bore [Min]
0.5 in
Inch/Metric
Inch
No. of Strands Across
1
Chain Sprocket Number
40
Length Through Bore
1 in
Tooth Width
0.284 in
Pitch Diameter
3.5133 in
Material External Use
Steel
Hub Projection
0.72 in
Material
Steel
Hub O.D.
2.781 in
Bushing Series
1610
Bore Size [Max]
1.625 in
Sprocket Style
B
O.D.
3.778 in
Single Strand Tooth Thickness
0.284 in
Type
B
Bore Size [Min]
0.5 in
Bore Type
Bushed
Construction Internal
Solid
Martin No.
40BTB22H
Material Internal Use
Carbon Steel
No. of Teeth
22
Overall Length Less Threads
N/A
Hub Length
0.72 in
Chain No.
40
Outside Dia.
3.778 in
Bushing Bore Size [Min]
0.5 in
Hub Dia.
2.7813 in
No. of Teeth Rows Strands
1
Bushing Type
Taper Lock
Caliper Diameter
3.2013 in
Bushing Bore [Max]
1.625 in
Chain Pitch
0.500 in
Pitch Dia.
3.513 in
Overall Length
1 in
Weight
0.88 LB
EAN or UPC
697950043074
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