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