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