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
Construction Internal
Solid
Chain Sprocket Pitch
0.625 in
Hub Dia.
N/A
Single Strand Tooth Thickness
0.332 in
Chain Pitch
0.625 in
Martin No.
50BTB17H
No. of Strands Across
2
Outside Dia. [Min]
3.7180 in
Sprocket Style
A
Pitch Diameter
3.400 in
Caliper Diameter
2.99 in
Material
Steel
Width Across Teeth
1.045 in
Chain No.
50-2
Outside Dia.
3.718 in
Hardened Teeth
With Hardened Teeth
Bore Size [Min]
0.5 in
Overall Length
1 in
Bushing Bore Size [Max]
1.625 in
Bushing Bore Size [Min]
0.5 in
Length Through Bore
1.04 in
Bore Size [Max]
1.625 in
O.D.
3.718 in
Inch/Metric
Inch
Tooth Width
0.332 in
Overall Length Less Threads
N/A
Chain Sprocket Number
50
Pitch Dia.
3.401 in
Bore Type
Bushed
No. of Teeth Rows Strands
2
Material Internal Use
Carbon Steel
Bushing Series
1610
Material External Use
Steel
Type
A
Hub O.D.
2.688 in
No. of Teeth
17
Bushing Bore [Min]
0.5 in
Bushing Type
Taper Lock
Bushing Bore [Max]
1 5/8 in
Weight
1.03 LB
EAN or UPC
697950031446
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
