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