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
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
Tooth Width
0.924 in
Bushing Bore Size [Min]
0.938 in
Bushing Type
Taper Lock
Outside Dia. [Min]
9.283 in
Bore Type
Bushed
Bushing Bore [Min]
0.938 in
No. of Strands Across
1
Material External Use
Steel
Bore Size [Max]
3 in
Overall Length
2 in
Chain Sprocket Number
140
Single Strand Tooth Thickness
0.924 in
Width Across Teeth
0.924 in
Length Through Bore
2 in
Hub Dia.
5 1/4 in
Martin No.
140BTB15H
Pitch Diameter
8.417 in
Pitch Dia.
8.417 in
Construction Internal
Welded
Chain Pitch
1.750 in
Hub Length
1.08 in
Bushing Bore [Max]
3 in
Outside Dia.
9.283 in
Bushing Series
3020
O.D.
9.283 in
Material Internal Use
Carbon Steel
Hub O.D.
5.25 in
Chain No.
140
No. of Teeth Rows Strands
1
Bushing Bore Size [Max]
3 in
Material
Steel
Caliper Diameter
7.3709 in
Inch/Metric
Inch
Chain Sprocket Pitch
1.75 in
No. of Teeth
15
Hardened Teeth
With Hardened Teeth
Sprocket Style
B
Hub Projection
1.08 in
Bore Size [Min]
0.938 in
Overall Length Less Threads
N/A
Type
B
Weight
12.38 LB
EAN or UPC
697950043944
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