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