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
Hardened teeth sprockets afford longer chain and sprocket life
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
Chain Pitch
0.625 in
Tooth Width
0.343 in
No. of Strands Across
1
Construction Internal
Solid
Martin No.
50BTB24H
Chain Sprocket Pitch
0.625 in
Material
Steel
Material External Use
Steel
No. of Teeth
24
No. of Teeth Rows Strands
1
Outside Dia.
5.122 in
Hub Length
0.91 in
Outside Dia. [Min]
5.1220 in
Length Through Bore
1.25 in
Caliper Diameter
4.3883 in
Overall Length
2 in
Type
B
Hub Dia.
3 9/16 in
Hub O.D.
3.563 in
Width Across Teeth
1.25 in
Bore Size [Max]
2.063 in
Bushing Type
Taper Lock
O.D.
5.122 in
Hardened Teeth
With Hardened Teeth
Bushing Bore [Min]
1/2 in
Inch/Metric
Inch
Bushing Bore Size [Max]
2.063 in
Hub Projection
0.91 in
Material Internal Use
Atomized Metals
Sprocket Style
B
Single Strand Tooth Thickness
0.343 in
Pitch Diameter
4.788 in
Bushing Series
2012
Bushing Bore [Max]
2 in
Pitch Dia.
4.788 in
Chain Sprocket Number
50
Overall Length Less Threads
N/A
Bore Type
Bushed
Chain No.
50
Weight
1.34 LB
EAN or UPC
697950043265
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