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