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
Outside Dia. [Min]
5.6270 in
Bushing Bore [Max]
2 1/2 in
Bushing Series
2517
No. of Teeth Rows Strands
2
Bushing Type
Taper Lock
Construction Internal
Solid
Hub Dia.
4 in
Hardened Teeth
With Hardened Teeth
No. of Teeth
16
Inch/Metric
Inch
Chain Sprocket Number
80
Sprocket Style
A
Bore Type
Bushed
No. of Strands Across
2
Material Internal Use
Carbon Steel
Tooth Width
0.557 in
Chain Pitch
1.000 in
Bushing Bore Size [Min]
0.5 in
Chain No.
80-2
O.D.
5.627 in
Length Through Bore
1.704 in
Outside Dia.
5.627 in
Caliper Diameter
4 1/2 in
Bore Size [Min]
0.5 in
Martin No.
80BTB16H
Type
A
Single Strand Tooth Thickness
0.557 in
Material External Use
Steel
Bore Size [Max]
2.5 in
Bushing Bore Size [Max]
2.5 in
Bushing Bore [Min]
0.5 in
Pitch Dia.
5.126 in
Overall Length Less Threads
N/A
Chain Sprocket Pitch
1 in
Width Across Teeth
1.71 in
Pitch Diameter
5.130 in
Material
Steel
Overall Length
1 3/4 in
Weight
3.84 LB
EAN or UPC
697950032429
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