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