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