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
Chain No.
50
Bore Type
Bushed
Pitch Diameter
3.006 in
Single Strand Tooth Thickness
0.343 in
Bushing Bore Size [Min]
0.5 in
Pitch Dia.
3.006 in
Hub Recess Depth
0.09 in
Chain Pitch
0.625 in
No. of Teeth Rows Strands
1
Bushing Type
Taper Lock
Chain Sprocket Number
50
No. of Teeth
15
Type
B
Width Across Teeth
1 in
Bushing Series
1210
Material
Steel
Tooth Width
0.343 in
Caliper Diameter
2.5896 in
Material External Use
Steel
Inch/Metric
Inch
O.D.
3.315 in
Martin No.
50BTB15H
Hub Dia.
2.4688 in
Hub Projection
0.66 in
No. of Strands Across
1
Length Through Bore
1 in
Hub Length
0.66 in
Hub O.D.
2.469 in
Sprocket Style
B
Overall Length
1 in
Hub OD @ Recess
2.28 in
Hub Recess Width
0.22 in
Construction Internal
Solid With Recess Groove
Hub Recessed
1
Overall Length Less Threads
N/A
Hardened Teeth
With Hardened Teeth
Material Internal Use
Carbon Steel
Bore Size [Max]
1.25 in
Outside Dia. [Min]
3.3150 in
Bushing Bore Size [Max]
1.25 in
Outside Dia.
3.315 in
Bushing Bore [Max]
1 1/4 in
Bore Size [Min]
0.5 in
Chain Sprocket Pitch
0.625 in
Bushing Bore [Min]
0.5 in
Weight
0.72 LB
EAN or UPC
697950043173
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