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