Lovejoy CJ 28/38B Curved Jaw Coupling Hub 1 1/2 In Bore w Kw
Lovejoy 68514466873 Size CJ 28/38B Curved Jaw Coupling Hub, Powdered Metal Steel, Inch, 1.5 Bore, 3/8” x 3/16” KW
Dimensional Data
Bore Size | 1 1/2 in |
Coupling Size | 28 |
Set Screw Style Coupling Size (Dimension T) | 5/16-18 |
Set Screw Style Coupling Location Size (Dimension SL) | 0.590 in 14.99 mm |
Keyway Size (W x D) | 3/8 x 3/16 in |
Length thru Bore (Dimensions LTB1/LTB2) | 1.380 in 35.05 mm |
Outside Diameter | 2.560 in 65.02 mm |
Overall Coupling Length | 3.540 in 89.92 mm |
Spider Outside Diameter | 2.560 in 65.00 mm |
Spider Thickness (Dimension W) | 0.590 in 15.00 mm |
Min. Bore (Dimensions ID1/ID2) | 0.870 in 22.00 mm |
Max. Bore (Dimensions ID1/ID2) | 1.5 in 38 mm |
Dimension G | 0.790 in 20.07 mm |
Dimension HD | 2.560 in 65.02 mm |
Distance between Spider and Hub Face (Dimension CL) | 0.100 in 2.54 mm |
Cubic inches | 9.04397 in³ |
Performance Data
Normal Temperature Range (with 80 Shore A, 92 Shore A, and 95/98 Shore A spiders) | -40 to 212 ºF |
Max. Temperature Range (with 80 Shore A, 92 Shore A, and 95/98 Shore A spiders) | -50 to 248 ºF |
Nominal Torque (with 92 Shore A spider) | 840.00 in·lb |
Max Torque (with 92 Shore A spider) | 1680.00 in·lb |
Max. Speed | 8500.00 rpm |
Angular Displacement | 0.050 in |
Max. Angular Displacement (∆ Ka), n=1500 [1/min] | 0.90 º |
Max. Axial Displacement (∆ Ka) | 0.0600 in |
Max. Radial Displacement (∆ Kr) | 0.0100 in |
Lovejoy CJ 28/38B Curved Jaw Coupling Hub 1 1/2 In Bore w Kw
This Lovejoy curved jaw coupling hub replaces hubs on Lovejoy powdered metal steel type curved jaw style flexible couplings and is made of steel sintered with powdered metals for strength, durability, and corrosion resistance.
This hub transfers shock and misalignment from the shaft to the center element of the coupling assembly for reduced wear on the shaft assembly. Lovejoy curved jaw style couplings are suitable for use in various industrial power transmission applications such as compressors, blowers, pumps, conveyors, mixers, and gear boxes, among others.
Flexible couplings are used to link two rotating shafts that are not aligned in order to transmit the rotational power, known as torque, from one shaft to the other. Most flexible couplings consist of two hubs and a middle assembly; each hub attaches to a shaft while the middle assembly flexes between the hubs to accommodate the misalignment of the two shafts.
Shaft misalignments are generally either parallel or angular and cause complications to transmitting rotational power from one shaft to another in the form of stresses, loads, vibrations, and other forces, which vary from one type of misalignment to another.
Flexible couplings are used in a broad range of applications, such as in motor vehicles, conveyors, escalators, agricultural, forestry and mining equipment, aeronautics, robotics and space exploration, among others.
Lovejoy manufactures flexible couplings, universal joints, variable speed drives and various other transmission and mechanical power products.
Their products meet the standards of the International Organization for Standardization (ISO), the Deutsches Institut für Normung (DIN), the American National Standards Institute (ANSI), the American Gear Manufacturers Association (AGMA), the Society of Automotive Engineers (SAE) and Japanese Industrial Standards (JIS) for quality assurance.
The company, founded in 1900, is based in Downers Grove, IL.
Lovejoy 66873 Size CJ 28/38B Curved Jaw Coupling Hub, Powdered Metal Steel, Inch, 1.5 Bore, 3/8” x 3/16” KW
The Curved Jaw Design |
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