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
Sprocket Style
B
Hub Recess Width
0.28 in
Bore Size [Max]
1.25 in
Martin No.
80BTB10H
Bore Type
Bushed
Pitch Diameter
3.236 in
Hub Recess Depth
0.07 in
Single Strand Tooth Thickness
0.575 in
Chain Sprocket Number
80
O.D.
3.678 in
Chain No.
80
No. of Strands Across
1
Construction Internal
Solid With Recess Groove
Inch/Metric
Inch
Overall Length Less Threads
N/A
Bushing Bore Size [Min]
0.5 in
Length Through Bore
1.5 in
Outside Dia.
3.678 in
Bushing Series
1215
Hub Projection
0.54 in
Caliper Diameter
2.6111 in
Bushing Bore [Max]
1 1/4 in
Bushing Type
Taper Lock
Material
Steel
Bore Size [Min]
0.5 in
Bushing Bore Size [Max]
1.25 in
Width Across Teeth
1.5 in
Outside Dia. [Min]
3.6780 in
Pitch Dia.
3.236 in
Type
B
Hardened Teeth
With Hardened Teeth
Tooth Width
0.575 in
Chain Sprocket Pitch
1 in
Bushing Bore [Min]
0.5 in
Hub Length
0.54 in
Hub OD @ Recess
2.23 in
Hub Recessed
1
No. of Teeth
10
No. of Teeth Rows Strands
1
Material Internal Use
Carbon Steel
Overall Length
1 1/2 in
Hub O.D.
2.375 in
Material External Use
Steel
Hub Dia.
2 3/8 in
Chain Pitch
1.000 in
Weight
1.1 LB
EAN or UPC
697950043494
We're here for you
with Service Centers across the country - We have your back
Find a Service Center
