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
Hub O.D.
2.781 in
Bushing Bore [Min]
0.5 in
Martin No.
50BTB17H
Tooth Width
0.343 in
Bushing Bore Size [Min]
0.5 in
Outside Dia. [Min]
3.7180 in
Hardened Teeth
With Hardened Teeth
Material
Steel
Sprocket Style
B
Chain Sprocket Pitch
0.625 in
Pitch Diameter
3.401 in
Bushing Bore Size [Max]
1.625 in
Hub Recessed
1
Material External Use
Steel
No. of Teeth
17
Overall Length Less Threads
N/A
Inch/Metric
Inch
Single Strand Tooth Thickness
0.343 in
Pitch Dia.
3.401 in
Caliper Diameter
2.9869 in
Bushing Bore [Max]
1 5/8 in
No. of Teeth Rows Strands
1
Hub OD @ Recess
2.69 in
Bore Type
Bushed
Bore Size [Max]
1.625 in
Bore Size [Min]
0.5 in
Overall Length
1 5/8 in
Hub Projection
0.66 in
Hub Dia.
2.7813 in
Construction Internal
Solid With Recess Groove
Length Through Bore
1 in
Material Internal Use
Carbon Steel
Chain No.
50
Bushing Type
Taper Lock
Bushing Series
1610
Hub Recess Depth
0.05 in
Width Across Teeth
1 in
Type
B
Chain Sprocket Number
50
Hub Recess Width
0.22 in
Chain Pitch
0.625 in
Hub Length
0.66 in
Outside Dia.
3.718 in
O.D.
3.718 in
No. of Strands Across
1
Weight
0.84 LB
EAN or UPC
697950043197
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