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
Pitch Dia.
3.672 in
Overall Length Less Threads
N/A
Chain No.
40
Bushing Series
1610
Hardened Teeth
With Hardened Teeth
Outside Dia. [Min]
3.938 in
Bore Type
Bushed
O.D.
3.938 in
Material External Use
Steel
Pitch Diameter
3.672 in
Caliper Diameter
3.3514 in
Inch/Metric
Inch
Hub O.D.
3 in
Construction Internal
Solid
Hub Length
0.72 in
Single Strand Tooth Thickness
0.284 in
Chain Sprocket Number
40
Outside Dia.
3.938 in
Bushing Bore [Min]
0.5 in
Width Across Teeth
1 in
Bushing Bore [Max]
1.625 in
Hub Projection
0.72 in
Bushing Type
Taper Lock
Length Through Bore
1 in
Sprocket Style
B
Type
B
Bore Size [Max]
2.063 in
No. of Strands Across
1
Material Internal Use
Atomized Metals
Chain Pitch
0.500 in
No. of Teeth Rows Strands
1
Overall Length
1 in
Tooth Width
0.284 in
No. of Teeth
23
Hub Dia.
3 in
Chain Sprocket Pitch
0.5 in
Material
Steel
Martin No.
40BTB23H
Bushing Bore Size [Max]
2.063 in
Weight
1.16 LB
EAN or UPC
697950043081
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