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
Outside Dia.
4.098 in
Material External Use
Steel
No. of Strands Across
1
Inch/Metric
Inch
Bushing Bore [Max]
1.625 in
Chain Pitch
0.500 in
Hub Projection
0.72 in
Chain Sprocket Number
40
Construction Internal
Solid
Bushing Bore [Min]
0.5 in
Chain No.
40
No. of Teeth Rows Strands
1
Material Internal Use
Atomized Metals
Hardened Teeth
With Hardened Teeth
Sprocket Style
B
Type
B
Bore Size [Max]
2.063 in
Pitch Dia.
3.831 in
O.D.
4.098 in
Hub Length
0.72 in
Bore Type
Bushed
Single Strand Tooth Thickness
0.284 in
Width Across Teeth
1 in
Bushing Series
1610
No. of Teeth
24
Tooth Width
0.284 in
Hub O.D.
3.25 in
Bushing Bore Size [Max]
2.063 in
Pitch Diameter
3.8306 in
Overall Length Less Threads
N/A
Hub Dia.
3 1/4 in
Outside Dia. [Min]
4.098 in
Martin No.
40BTB24H
Length Through Bore
1 in
Material
Steel
Overall Length
1 in
Bushing Type
Taper Lock
Chain Sprocket Pitch
0.5 in
Caliper Diameter
3.5186 in
Weight
1.34 LB
EAN or UPC
697950043098
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