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 No.
50
Overall Length
1 5/8 in
Hub Projection
0.66 in
No. of Teeth Rows Strands
1
Hub Dia.
3 in
No. of Strands Across
1
Type
B
Caliper Diameter
3.3842 in
Bushing Type
Taper Lock
Bushing Bore [Max]
1 5/8 in
Width Across Teeth
1 in
No. of Teeth
19
Bushing Series
1610
Bore Size [Max]
2.063 in
Martin No.
50BTB19H
Length Through Bore
1 in
Chain Sprocket Number
50
Single Strand Tooth Thickness
0.343 in
Material Internal Use
Atomized Metals
Chain Sprocket Pitch
0.625 in
Bushing Bore [Min]
1/2 in
Pitch Diameter
3.797 in
Overall Length Less Threads
N/A
Outside Dia.
4.12 in
Material
Steel
Tooth Width
0.343 in
Chain Pitch
0.625 in
Material External Use
Steel
O.D.
4.12 in
Construction Internal
Solid
Hardened Teeth
With Hardened Teeth
Sprocket Style
B
Bushing Bore Size [Max]
2.063 in
Hub O.D.
3 in
Bore Type
Bushed
Inch/Metric
Inch
Pitch Dia.
3.797 in
Hub Length
0.66 in
Outside Dia. [Min]
4.1200 in
Weight
1.25 LB
EAN or UPC
697950043210
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