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
Bore Type
Bushed
Caliper Diameter
7.9702 in
Hub Projection
1.08 in
No. of Teeth Rows Strands
1
Chain Pitch
1.750 in
Sprocket Style
B
No. of Teeth
16
Bushing Bore Size [Min]
0.938 in
Chain Sprocket Pitch
1.75 in
Hub O.D.
5.25 in
Material Internal Use
Carbon Steel
Overall Length
2 in
No. of Strands Across
1
Bushing Bore [Min]
0.938 in
Construction Internal
Welded
Pitch Diameter
8.9702 in
Hub Length
1.08 in
O.D.
9.848 in
Width Across Teeth
0.924 in
Bushing Bore [Max]
3 in
Single Strand Tooth Thickness
0.924 in
Martin No.
140BTB16H
Chain Sprocket Number
140
Type
B
Pitch Dia.
8.97 in
Hardened Teeth
With Hardened Teeth
Material External Use
Steel
Bushing Series
3020
Tooth Width
0.924 in
Overall Length Less Threads
N/A
Chain No.
140
Length Through Bore
2 in
Hub Dia.
5 1/4 in
Bushing Type
Taper Lock
Inch/Metric
Inch
Outside Dia. [Min]
9.848 in
Outside Dia.
9.848 in
Bore Size [Max]
3 in
Material
Steel
Bushing Bore Size [Max]
3 in
Bore Size [Min]
0.938 in
Weight
14.46 LB
EAN or UPC
697950043951
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