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 Pitch
0.75 in
Hardened Teeth
With Hardened Teeth
Tooth Width
0.459 in
Length Through Bore
0.875 in
Bushing Bore Size [Max]
1 in
Type
B
Hub O.D.
1.938 in
Bore Size [Min]
0.5 in
Material Internal Use
Carbon Steel
Sprocket Style
B
Material External Use
Steel
Chain No.
60
Chain Sprocket Number
60
Bushing Bore Size [Min]
0.5 in
Caliper Diameter
2.4288 in
Bore Type
Bushed
Hub Projection
0.42 in
Width Across Teeth
0.875 in
Single Strand Tooth Thickness
0.459 in
Overall Length Less Threads
N/A
Chain Pitch
0.750 in
Hub Length
0.42 in
Inch/Metric
Inch
Construction Internal
Solid
No. of Strands Across
1
Pitch Dia.
2.898 in
Material
Steel
Hub Dia.
1 15/16 in
Martin No.
60BTB12H
Outside Dia. [Min]
3.2490 in
Outside Dia.
3.249 in
Bore Size [Max]
1 in
Bushing Type
Taper Lock
Bushing Bore [Max]
1 in
Bushing Series
1008
O.D.
3.249 in
Pitch Diameter
2.898 in
No. of Teeth
12
Overall Length
7/8 in
Bushing Bore [Min]
0.5 in
No. of Teeth Rows Strands
1
Weight
0.78 LB
EAN or UPC
697950043326
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