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