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