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
Bushing Bore [Min]
0.5 in
Inch/Metric
Inch
Pitch Diameter
3.599 in
Bore Type
Bushed
Bore Size [Min]
0.5 in
O.D.
3.92 in
Overall Length Less Threads
N/A
Chain Pitch
0.625 in
Chain No.
50
Width Across Teeth
1 in
Caliper Diameter
3.1992 in
Chain Sprocket Pitch
0.625 in
Bushing Bore Size [Max]
1.625 in
Hub Length
0.66 in
Bushing Bore Size [Min]
0.5 in
No. of Teeth Rows Strands
1
Hardened Teeth
With Hardened Teeth
Type
B
Martin No.
50BTB18H
Length Through Bore
1 in
Hub Projection
0.66 in
Overall Length
1 5/8 in
Outside Dia. [Min]
3.9200 in
No. of Strands Across
1
Single Strand Tooth Thickness
0.343 in
Chain Sprocket Number
50
Hub O.D.
2.781 in
Construction Internal
Solid
Material Internal Use
Carbon Steel
Bushing Bore [Max]
1 5/8 in
Tooth Width
0.343 in
Material External Use
Steel
Hub Dia.
2.7813 in
Material
Steel
Bushing Type
Taper Lock
Sprocket Style
B
Pitch Dia.
3.599 in
Bushing Series
1610
No. of Teeth
18
Bore Size [Max]
1.625 in
Outside Dia.
3.92 in
Weight
0.94 LB
EAN or UPC
697950043203
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