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