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