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
Hardened Teeth
With Hardened Teeth
Bushing Bore Size [Min]
0.5 in
Material Internal Use
Carbon Steel
Pitch Dia.
2.405 in
Bushing Bore [Max]
1 in
Outside Dia. [Min]
2.6520 in
Tooth Width
0.275 in
Single Strand Tooth Thickness
0.275 in
Bore Type
Bushed
Hub Dia.
1.266 in
Overall Length Less Threads
N/A
Bore Size [Max]
1 in
Material External Use
Steel
Chain No.
40-2
Material
Steel
Caliper Diameter
2.08 in
Length Through Bore
0.837 in
Chain Sprocket Pitch
0.5 in
Bushing Bore [Min]
0.5 in
Overall Length
7/8 in
Inch/Metric
Inch
Bore Size [Min]
0.5 in
O.D.
2.652 in
No. of Strands Across
2
Bushing Type
Taper Lock
Outside Dia.
2.652 in
Type
A
Bushing Bore Size [Max]
1 in
Sprocket Style
A
Chain Sprocket Number
40
Hub O.D.
1.813 in
Martin No.
40BTB15H
No. of Teeth
15
Width Across Teeth
0.841 in
Construction Internal
Solid
Chain Pitch
0.500 in
No. of Teeth Rows Strands
2
Pitch Diameter
2.400 in
Bushing Series
1008
Weight
0.51 LB
EAN or UPC
697950030890
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