GE20PW Spherical Plain Bearings
Compact spherical plain bearings designed for applications requiring swinging, tilting, or rotating motion with high load capacity and angular misalignment accommodation.
Main Dimensions
| Parameter |
Value |
Description |
| d |
20 mm |
Bore diameter bearing |
| D |
40 mm |
Outside diameter bearing |
| B |
25 mm |
Width Inner ring |
| C |
18 mm |
Width Outer ring |
| ≈m |
150 g |
Weight |
Mounting Dimensions
| Parameter |
Value |
Description |
| r1smin |
0.3 mm |
Edge Spacing |
| r2smin |
0.3 mm |
Edge Spacing |
| Damin |
14 mm |
Housing Connection Diameter |
| damax |
10.3 mm |
Connection measurement, inner ring |
Dimensions & Tolerances
| Parameter |
Value |
Description |
| dK |
34.925 mm |
Ball diameter |
| α |
14 ° |
Tilt angle |
| dT |
H7 |
Bore diameter bearing, tolerance |
| DOT |
0 mm |
Outside diameter, upper tolerance |
| DUT |
-0.009 mm |
Outside diameter, lower tolerance |
| BOT |
0 mm |
Width inner ring, upper tolerance |
| BUT |
-0.12 mm |
Width inner ring, lower tolerance |
| dOT |
0.015 mm |
Bore diameter bearing, upper tolerance |
| COT |
0 mm |
Width outer ring, upper tolerance |
| CUT |
-0.24 mm |
Width outer ring, lower tolerance |
| Gr |
0.006 - 0.035 |
Radial Clearance |
| Grmax |
0.035 mm |
Radial clearance, maximum |
| Grmin |
0.006 mm |
Radial clearance, minimum |
Performance Data
| Parameter |
Value |
Description |
| Cr |
57000 N |
Basic dynamic load rating, radial |
| C0r |
140000 N |
Basic static load rating, radial |
Temperature Range
| Parameter |
Value |
Description |
| Tmin |
-50 °C |
Operating temperature min. |
| Tmax |
200 °C |
Operating temperature max. |
Applications
GE20PW radial spherical plain bearings are widely used in mechanical structures requiring swinging, tilting, or rotating motion due to their compact design, high load-carrying capacity, and ability to accommodate significant angular misalignment.
- Construction machinery: connecting rods and cylinder trunnions in excavators, loaders, and cranes
- Automotive industry: suspension systems, steering mechanisms, and shock absorber connection points
- Agricultural machinery: moving parts in seeders and harvesters
- Industrial equipment: textile machinery, printing machinery, and robotic joints