GE30SX Angular Contact Spherical Plain Bearings, Bore 30 Mm, Requiring Maintenance, DIN ISO 12240-2, Open Design
The GE30SX Angular contact spherical plain bearings are widely used in applications requiring high impact, heavy loads, and complex directional stresses. Commonly found in A-frames of mining trucks, hydraulic cylinder articulations of bulldozers, as well as hydraulic cylinders, steering and suspension systems of construction machinery. It is also suitable for equipment that can withstand low-frequency, large-amplitude oscillations.
The GE30SX bearing is a Angular contact spherical plain bearings with an inner diameter of 30 mm , an outer diameter of 55 mm, a width of 17 mm. bearing steel rings, bearing steel rolling mlement. Its dynamic radial rated load is approximately 64600 N, its static radial rated load is approximately 323000 N. It uses CN standard radial clearance, Open (No seal) type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
GE30SX bearings ( 30 mm x 55 mm x 17 mm) have the advantages of Capable of simultaneously withstanding large radial and unidirectional axial combined loads, and possessing self-aligning capability, and are therefore widely used in the Commonly used in A-frames of heavy-duty truck steering axles, joint hinges of hydraulic cylinders, and suspension systems of mining equipment.
| Part Number | GE30SX |
| Bearing Type | Angular contact spherical plain bearings |
| Interchangeable | FAGGE30SX |
| Description | Requiring maintenance, DIN ISO 12240-2, Open design |
| Sliding contact surface | Steel/steel |
| Series | GE..-SX |
| Seal | Open (No seal) |
| Radial internal clearance | CN |
| Inner/Outer Ring Material | bearing steel |
| Weight [kg] | 0.22 |
| Bore - d [mm] | 30 |
| d tolerance [mm] | -0.012 |
| Outside - D [mm] | 55 |
| D tolerance [mm] | -0.016 |
| Height - T [mm] | 17 |
| T tolerance [mm] | ±0.25 |
| Width - B [mm] | 16 |
| B tolerance [mm] | -0.2 |
| Width - C [mm] | 16 |
| C tolerance [mm] | -0.2 |
| Ball diameter - dk [mm] | 50 |
| Bore diameter of housing washer - D1 [mm] | 36.1 |
| Plane Surface Spacing - S [mm] | 2 |
| Distance lubrication Bore - A [mm] | 8.5 |
| Tilt angle - α [°] | 2.3 |
| r1 min [mm] | 1 |
| r2 min [mm] | 0.3 |
| Connection measure Inner ring - da max [mm] | 34.7 |
| Connection measure Inner ring - db max [mm] | 45 |
| Housing Connection Diameter - Da min [mm] | 40.5 |
| Connection diameter - Db min [mm] | 50.5 |
| Dynamic Radial - Cr [N] | 64600 |
| Static Radial - C0r [N] | 323000 |
The GE30SX Angular contact spherical plain bearings structurally consist of an inner ring with a convex spherical surface and an outer ring with a concave spherical surface. Their key spherical sliding contact surfaces form a certain angle with the bearing axis. Some models feature a separable design for easy installation. Depending on the sliding material, they are mainly divided into steel-to-steel types requiring periodic lubrication, and self-lubricating PTFE-lined types, the latter having an extremely low coefficient of friction and requiring no maintenance.
Angular contact spherical plain bearings are designed to withstand both radial and axial combined loads simultaneously. Based on their inclined sliding surface design, their load-bearing capacity far exceeds that of standard radial bearings of the same size, making them particularly suitable for unidirectional load conditions where axial loads dominate. However, for applications requiring high loads and bidirectional bearing capacity, they must be installed in pairs.
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