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
Length Through Bore
1.5 in
Hub Dia.
3 in
Martin No.
80BTB13H
Chain No.
80
Material External Use
Steel
Caliper Diameter
3.5231 in
Chain Sprocket Number
80
Bushing Series
1615
Chain Sprocket Pitch
1 in
No. of Teeth
13
Hub Projection
0.93 in
Bushing Type
Taper Lock
O.D.
4.657 in
Hardened Teeth
With Hardened Teeth
Hub O.D.
3 in
No. of Teeth Rows Strands
1
Material
Steel
Overall Length Less Threads
N/A
Overall Length
1 1/2 in
Tooth Width
0.575 in
Bore Size [Min]
0.5 in
Inch/Metric
Inch
Outside Dia.
4.657 in
Width Across Teeth
1.5 in
Chain Pitch
1.000 in
Pitch Dia.
4.179 in
Pitch Diameter
4.179 in
No. of Strands Across
1
Single Strand Tooth Thickness
0.575 in
Bore Size [Max]
1.625 in
Construction Internal
Solid
Bushing Bore [Max]
1 5/8 in
Hub Length
0.93 in
Material Internal Use
Carbon Steel
Outside Dia. [Min]
4.6570 in
Bushing Bore Size [Max]
1.625 in
Bushing Bore [Min]
0.5 in
Bushing Bore Size [Min]
0.5 in
Sprocket Style
B
Bore Type
Bushed
Type
B
Weight
1.34 LB
EAN or UPC
697950043524
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