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
Tooth Width
0.343 in
Chain No.
50
No. of Teeth Rows Strands
1
No. of Teeth
13
Outside Dia. [Min]
2.9110 in
Overall Length
7/8 in
No. of Strands Across
1
Hub Length
0.55 in
Overall Length Less Threads
N/A
Bore Size [Min]
0.5 in
Bushing Bore Size [Max]
1 in
Inch/Metric
Inch
Caliper Diameter
2.1926 in
Material External Use
Steel
Bushing Series
1008
Hub O.D.
1.813 in
Hub Dia.
1 13/16 in
Hub Projection
0.55 in
Material
Steel
Outside Dia.
2.911 in
Pitch Diameter
2.612 in
Single Strand Tooth Thickness
0.343 in
Bore Type
Bushed
Bushing Bore Size [Min]
0.5 in
Material Internal Use
Carbon Steel
Type
B
Sprocket Style
B
Chain Sprocket Pitch
0.625 in
O.D.
2.911 in
Construction Internal
Solid
Chain Pitch
0.625 in
Width Across Teeth
0.875 in
Bushing Bore [Min]
0.5 in
Length Through Bore
0.875 in
Pitch Dia.
2.612 in
Bushing Type
Taper Lock
Hardened Teeth
With Hardened Teeth
Bushing Bore [Max]
1 in
Chain Sprocket Number
50
Martin No.
50BTB13H
Bore Size [Max]
1 in
Weight
0.5 LB
EAN or UPC
697950043159
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