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