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 Pitch
0.750 in
Pitch Dia.
3.134 in
Material
Steel
Inch/Metric
Inch
Caliper Diameter
2.6421 in
Chain Sprocket Number
60
Bushing Bore Size [Max]
1.25 in
Hub OD @ Recess
2.35 in
Hub Length
0.42 in
Tooth Width
0.459 in
Bore Type
Bushed
Hub Recessed
1
Overall Length
1 in
Hardened Teeth
With Hardened Teeth
Bushing Bore [Max]
1 5/8 in
Material External Use
Steel
Sprocket Style
B
Single Strand Tooth Thickness
0.459 in
O.D.
3.493 in
Bushing Series
1210
Hub Recess Depth
0.06 in
Chain Sprocket Pitch
0.75 in
Type
B
Hub Recess Width
1/4 in
Bushing Type
Taper Lock
Bore Size [Max]
1.25 in
Width Across Teeth
1 in
Outside Dia.
3.493 in
Chain No.
60
Outside Dia. [Min]
3.4930 in
Bore Size [Min]
0.5 in
No. of Strands Across
1
Hub Projection
0.42 in
Material Internal Use
Carbon Steel
No. of Teeth Rows Strands
1
Martin No.
60BTB13H
Bushing Bore [Min]
0.5 in
Construction Internal
Solid With Recess Groove
Bushing Bore Size [Min]
0.5 in
Hub Dia.
2.4688 in
Hub O.D.
2.469 in
No. of Teeth
13
Overall Length Less Threads
N/A
Length Through Bore
1 in
Pitch Diameter
3.134 in
Weight
0.81 LB
EAN or UPC
697950043333
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