Lovejoy CJ 28 Curved Jaw Coupling Urethane Spider 80 Shore A Blue
68514461463, CJ Series Spiders (Elastomeric Element)
Dimensional Data
Spider Size |
28 |
Set Screw Size |
5/16-18 |
Set Screw Style Coupling Location Size (Dimension SL) |
0.590 in14.99 mm |
Outside Diameter |
2.560 in65.00 mm |
Spider Outside Diameter (Dimension A) |
2.560 in65.00 mm |
Spider Inside Diameter (Dimension H) |
1.150 in29.00 mm |
Spider Thickness (Dimension W) |
0.590 in15.00 mm |
Dimension G |
0.790 in20.07 mm |
Dimension S |
1.340 in34.04 mm |
Distance between Spider and Hub Face (Dimension CL) |
0.100 in2.54 mm |
Cubic inches |
3.86662 in³ |
Performance Data
Normal Temperature Range |
-40 to 212 ºF |
Max. Temperature Range |
-40 to 248 ºF |
Nominal Torque |
407.00 in·lb46.00 N·m |
Max. Torque |
814.00 in·lb92.00 N·m |
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 |
Axial Misalignment |
0.039 to 252 in |
Angular Misalignment |
0.90 to 1.30 º |
Parallel Misalignment |
0.008 to 0.027 in |
Wind-Up Angle at Nominal Torque |
3.20 º |
Wind-Up Angle at Max. Torque |
5.00 º |
Rated HP at 1,200 rpm |
8.00 hp |
Rated HP at 1,800 rpm |
12.00 hp |
The Curved Jaw Design
The Curved Jaw Design |
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Elastomer Characteristic
Elastomer Characteristic |
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Application Types Requiring
Application Types Requiring |
Good Dampening Properties |
Lovejoy CJ 28 Curved Jaw Coupling Urethane Spider 80 Shore A Blue
This Lovejoy curved jaw coupling spider replaces the spiders on Lovejoy curved jaw style flexible spider coupling assemblies and is made of urethane for transferring and absorbing shock load.
This center element, also known as a spider, absorbs shock and misalignment within the coupling assembly for reduced wear on the shaft assembly. Lovejoy curved jaw style couplings are a type of flexible coupling 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 CJ 28 Curved Jaw Coupling Urethane Spider 80 Shore A Blue
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