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 Number
80
Chain Sprocket Pitch
1 in
No. of Teeth Rows Strands
1
Pitch Diameter
5.126 in
Inch/Metric
Inch
Bushing Series
2012
Chain No.
80
Material Internal Use
Atomized Metals
Outside Dia.
5.627 in
No. of Teeth
16
Bushing Bore [Min]
1/2 in
Length Through Bore
1.25 in
Bushing Type
Taper Lock
Hub Projection
0.67 in
Tooth Width
0.575 in
Hub Dia.
3 9/16 in
Pitch Dia.
5.126 in
Sprocket Style
B
Caliper Diameter
4.5008 in
No. of Strands Across
1
Martin No.
80BTB16H
Bushing Bore [Max]
2 in
Bushing Bore Size [Max]
2.75 in
Bore Size [Max]
2.75 in
Material External Use
Steel
Hardened Teeth
With Hardened Teeth
Hub Length
0.67 in
Single Strand Tooth Thickness
0.575 in
Overall Length Less Threads
N/A
Construction Internal
Solid
Chain Pitch
1.000 in
Overall Length
1 1/4 in
Bore Type
Bushed
Width Across Teeth
1.25 in
O.D.
5.627 in
Outside Dia. [Min]
5.6270 in
Hub O.D.
3.563 in
Material
Steel
Type
B
Weight
1.34 LB
EAN or UPC
697950043555
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