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