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
Inch/Metric
Inch
Single Strand Tooth Thickness
0.444 in
Sprocket Style
B
Martin No.
60BTB13H
Bore Type
Bushed
Hardened Teeth
With Hardened Teeth
Outside Dia. [Min]
3.4930 in
Hub Projection
0.16 in
No. of Teeth
13
Material
Steel
Tooth Width
0.444 in
No. of Teeth Rows Strands
2
Hub Length
0.16 in
Hub Dia.
2.245 in
Overall Length Less Threads
N/A
Caliper Diameter
2.64 in
Construction Internal
Solid
O.D.
3.493 in
Chain No.
60-2
Hub O.D.
2.25 in
Bushing Bore [Min]
0.5 in
Material Internal Use
Carbon Steel
Bushing Bore Size [Max]
1.25 in
Bushing Type
Taper Lock
Chain Sprocket Number
60
Bore Size [Max]
1.25 in
Bushing Bore Size [Min]
0.5 in
No. of Strands Across
2
Width Across Teeth
1.341 in
Outside Dia.
3.493 in
Pitch Diameter
3.130 in
Bushing Series
1215
Material External Use
Steel
Overall Length
1 1/2 in
Length Through Bore
1.5 in
Bushing Bore [Max]
1 1/4 in
Chain Sprocket Pitch
0.75 in
Bore Size [Min]
0.5 in
Type
B
Pitch Dia.
3.134 in
Chain Pitch
0.750 in
Weight
1.6 LB
EAN or UPC
697950032108
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