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