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