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Image for Illustration purposes only. Actual product may vary
Lovejoy catalog number 685144620484 is a CJ42/55B curved jaw coupling hub, part of the CJ Series. This hub is constructed from cast iron for durability and features an RSB (ready-to-install) bore configuration. It is designed to pair with a CJ42/55 size urethane spider, offering high torque capacity and misalignment accommodation for demanding industrial power transmission applications such as pumps, compressors, and conveyors.
MODEL 0685144620484
$114.89 Each
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OD
3.74 in
The Curved Jaw coupling consists of two standard hubs and one spider. RSB maybe supplied as a solid hub or rough stock bore.
Specifications
| Description | CJ 42/55B HUB CI RSB |
|---|---|
| Type | Curved Jaw Couplings |
| Hub Material | Cast Iron |
| Hub Style | B |
| Style | Unbored |
| Color | Gray |
| Bore Type | Rough Stock Bore |
| Coupling Type | Jaw |
Dimensional Data
| Coupling Size | 42/55 |
|---|---|
| Set Screw Style Coupling Size (Dimension T) | 5/16-18 |
| Set Screw Style Coupling Location Size (Dimension SL) | 0.790 in20.07 mm |
| Length thru Bore (Dimensions LTB1/LTB2) | 1.97 in50.04 mm |
| Outside Diameter | 3.74 in95 mm |
| Overall Coupling Length | 2.870 in72.90 mm |
| Spider Inside Diameter | 1.810 in46.00 mm |
| Spider Outside Diameter | 3.740 in95.00 mm |
| Spider Thickness (Dimension W) | 0.790 in20.00 mm |
| Min. Bore (Dimensions ID1/ID2) | 1.020 in26.00 mm |
| Max. Bore (Dimensions ID1/ID2) | 2.130 in55.00 mm |
| Dimension G | 1.020 in25.91 mm |
| Dimension HD | 3.74 in95 mm |
| Distance between Spider and Hub Face (Dimension CL) | 0.120 in3.05 mm |
| Cubic inches | 40.14441 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) | 2345.00 in·lb265.00 N·m |
| Max Torque (with 92 Shore A spider) | 4690.00 in·lb530.00 N·m |
| Max. Speed | 6000 rpm |
| Angular Displacement | 0.070 in |
| Max. Angular Displacement (∆ Ka), n=1500 [1/min] | 1 º |
| Max. Axial Displacement (∆ Ka) | 0.0790 in |
| Max. Radial Displacement (∆ Kr) | 0.0120 in |
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