GE20FW Radial Spherical Plain Bearings, Bore 20 Mm, Maintenance-free, DIN ISO 12240-1, Dimension Series G, Open Design
The GE20FW Radial spherical plain bearings are widely used in hydraulic cylinder articulations of construction machinery (excavators, loaders), balance suspensions of heavy-duty trucks, linkage mechanisms of mining equipment, joints of agricultural machinery, and robot wrists—any application requiring swinging or tilting adjustments.
The GE20FW bearing is a Radial spherical plain bearings with an inner diameter of 20 mm , an outer diameter of 42 mm, a width of 25 mm. Hardened rolling bearing steel rings, Hardened rolling bearing steel rolling mlement. Its dynamic radial rated load is approximately 51100 N, its static radial rated load is approximately 128000 N. It uses CN standard radial clearance, Open (No seal) type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
GE20FW bearings ( 20 mm x 42 mm x 25 mm) have the advantages of Capable of withstanding heavy loads and impacts, and featuring automatic self-aligning to compensate for centering errors, and are therefore widely used in the joints of construction machinery (such as excavators and cranes), hydraulic cylinder hinges, and suspension systems of heavy vehicles.
| Part Number | GE20FW |
| Bearing Type | Radial spherical plain bearings |
| Interchangeable | FAGGE20FW |
| Description | Maintenance-free, DIN ISO 12240-1, dimension series G, Inner ring curved surface with hard chromium coating, Open design |
| Sliding contact surface | hard chromium/PTFE composite |
| Series | GE..-FW |
| Seal | Open (No seal) |
| Radial internal clearance | CN (0 - 0.05 mm) |
| Inner/Outer Ring Material | Hardened rolling bearing steel |
| Weight [kg] | 0.16 |
| Bore - d [mm] | 20 |
| d tolerance [mm] | -0.01 |
| Outside - D [mm] | 42 |
| D tolerance [mm] | -0.011 |
| Width - B [mm] | 25 |
| B tolerance [mm] | -0.12 |
| Width - C [mm] | 16 |
| C tolerance [mm] | -0.24 |
| Ball diameter - dk [mm] | 35.5 |
| Tilt angle - α [°] | 17 |
| r1 min [mm] | 0.3 |
| r2 min [mm] | 0.6 |
| Connection measure Inner ring - da max [mm] | 25.2 |
| Housing Connection Diameter - Da min [mm] | 33 |
| Dynamic Radial - Cr [N] | 51100 |
| Static Radial - C0r [N] | 128000 |
The GE20FW Radial spherical plain bearings consist of an inner ring with a spherical outer surface and an outer ring with a spherical inner surface, forming a sliding spherical pair. Some models have a self-lubricating gasket (such as PTFE fabric) on the inner surface of the outer ring or the outer surface of the inner ring.
Radial spherical plain bearings can withstand heavy radial loads and impact loads, automatically compensating for angular alignment errors between the shaft and the bearing bore. The steel-to-steel type is heat-resistant, contamination-resistant, self-lubricating, maintenance-free, has a low coefficient of friction, and a long service life.
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