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