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