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The outer spherical ball bearing is an advanced version of the deep groove ball bearing. Its outer diameter surface is spherical, allowing it to fit into the concave spherical surface of the bearing seat for automatic centering. These units are designed to withstand combined radial and axial loads (primarily radial).
Design & Structure: A spherical bearing with a seat combines a rolling bearing with a versatile housing. These units offer excellent interchangeability and self-alignment, making them easy to install even in harsh environments with dual structure sealing devices.
Common Seat Types: Vertical (P), Square (F), Convex Square (FS), Convex Circular (FC), Diamond (FL), Circular (C), and Slider (T).
| Unit No. | Shaft Dia | Dimensions (mm) | Weight (kg) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | B | S | L | J | H | A | N | N1 | |||
| UCP201 | 12 | 40 | 27.4 | 11.5 | 125 | 96 | 30.2 | 36 | 13 | 19 | 0.6 |
| UCP204 | 20 | 47 | 31 | 12.7 | 127 | 95 | 33.3 | 38 | 13 | 19 | 0.75 |
| UCP205 | 25 | 52 | 34.1 | 14.3 | 140 | 105 | 36.5 | 38 | 13 | 19 | 0.8 |
| UCP208 | 40 | 80 | 42.9 | 19 | 184 | 137 | 49.2 | 54 | 17 | 23 | 1.9 |
| UCP308 | 40 | 90 | 52 | 19 | 220 | 170 | 60 | 60 | 17 | 27 | 3.0 |
| UCP310 | 50 | 110 | 61 | 22 | 275 | 212 | 75 | 75 | 20 | 35 | 5.8 |
| UCP315 | 75 | 160 | 82 | 33 | 380 | 290 | 100 | 100 | 27 | 40 | 14.0 |
| UCP320 | 100 | 215 | 108 | 42 | 490 | 380 | 140 | 120 | 36 | 50 | 35.0 |





