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| Item | CJ Series Hub |
|---|---|
| Angular Displacement | 2/25" |
| Bore Type | Rough Stock Bore |
| Color | Gray |
| Coupling Type | Jaw |
| Dimension G | 27.94 mm |
| Dimension Hd | 104.9 mm |
| Distance Between Spider And Hub Face (dimension Cl) | 3.56 mm |
| Hub Material | Cast Iron |
| Hub Type | B |
| Keyway | Without Keyway |
| Keyway Size | No Keyway |
| Length Through Bore | 55.88 mm |
| Max. Angular Displacement (Δ Ka), N=1500 [1/min] | 1.1° |
| Max. Axial Displacement | 0.082" |
| Max. Bore | 60 mm |
| Max. Operating Temp. | -50°F to +248°F |
|---|---|
| Max. Radial Displacement | 0.014" |
| Max. Speed | 5600 RPM |
| Max. Torque | 619 N-m |
| Min. Bore | 26 mm |
| Nominal Torque (with 92 Shore A Spider) | 310 N-m |
| Normal Temperature Range (with 80 Shore A, 92 Shore A, And 95/98 Shore A Spiders) | -40°F to +212°F |
| Outside Dia. | 104.9 mm |
| Overall Coupling Length | 80.26 mm |
| Set Screw Style Coupling Location Size | 20.07 mm |
| Spider Inside Dia. | 51 mm |
| Spider Outside Dia. | 105 mm |
| Spider Thickness (dimension W) | 21 mm |
| Style | Unbored |
| System Of Measurement | Metric |
| Height (cm) | 8.03 |
|---|---|
| Length (cm) | 10.49 |
| Width (cm) | 10.49 |
| Country Of Origin | US |
|---|---|
| Weight (kg) | 2.52 |
No, it does not require any lubrication as there is no metal-to-metal contact or friction between hubs during operation due to the presence of a spider between the two hubs.
Lovejoy CJ Series coupling hubs, when attached to a spider, compress the spider and form a complete coupling. The hub's jaws rotate in the same plane to push the driven hub jaws and transfer torque. The compressed elastomeric spider helps in transferring and cushioning the force through coupling absorbers. These absorbers further protect the surrounding components from damage.
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