Spherical plain bearing for FAG is a kind of spherical sliding bearing. Its sliding contact surface is an inner spherical surface and an outer spherical surface. It can rotate and swing at any angle during movement. It adopts a variety of special processes such as surface phosphating, blasting, padding, and spraying. Made using processing methods. Spherical bearings have the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, and good lubrication.
The structure of the spherical bearing is simpler than that of the rolling bearing. It is mainly composed of an inner ring with an outer spherical surface and an outer ring with an inner spherical surface. Spherical bearings are generally used for low-speed swing movements (i.e. angular movements). Since the sliding surface is spherical, they can also perform tilting movements within a certain angle range (i.e. aligning movements). When the support shaft and the shaft shell hole are not concentric When the temperature is large, it can still work normally.
Features: Spherical plain bearing for FAG can withstand larger loads. Depending on its type and structure, it can bear radial load, axial load or a combined load of both radial and axial directions. Since the outer spherical surface of the inner ring is inlaid with composite material, the bearing can produce self-lubrication during operation. It is generally used for low-speed swing motion and low-speed rotation. It can also perform tilting motion within a certain angle range. When the support shaft and the shaft housing hole are not concentrically large, it can still work normally. Self-lubricating spherical plain bearings are used in water conservancy, professional machinery and other industries.
Application: Spherical plain bearing for FAG are widely used in engineering hydraulic cylinders, forging machine tools, engineering machinery, automation equipment, automobile shock absorbers, water conservancy machinery and other industries. Spherical bearings are spherical sliding bearings. The basic type is composed of inner and outer rings with spherical sliding spherical contact surfaces. Depending on its structure and type, it can bear radial load, axial load, or combined load acting simultaneously in radial and axial directions.
Because the spherical sliding contact area of spherical plain bearings is large and the inclination angle is large, and also because most spherical plain bearings adopt special processing methods, such as surface phosphating, galvanizing, chrome plating or outer sliding surface lining, padding, spraying, etc., Therefore, it has a large load capacity and impact resistance, and has the characteristics of corrosion resistance, wear resistance, self-aligning, good lubrication or self-lubricating without lubricating dirt pollution, and it can work normally even if the installation is misaligned. Therefore, spherical plain bearings are widely used for low-speed swing motions, tilting motions and rotational motions.
Composition: spherical plain bearing for FAG are mainly composed of an outer ring and an inner ring. The inner spherical surface of the outer ring and the outer spherical surface of the inner ring form a rolling friction pair.
Radial spherical bearing
(1) GE...E type: single-slit outer ring, no lubricating oil groove. Can bear radial load and small axial load in any direction.
(2) GE...ES type: single-slit outer ring with lubricating oil groove. Can bear radial load and small axial load in any direction.
(3) GE...ES-2RS type, GEEW...ES-2RS type: single-slit outer ring, with lubricating oil groove and sealing rings on both sides. Can bear radial load and small axial load in any direction.
(4) GE...ESN type: single-slit outer ring, GE...XSN type: double-slit outer ring (split outer ring), with lubricating oil groove and stop groove in the outer ring. Can bear radial load and small axial load in any direction. However, when the axial load is borne by the stop ring, its ability to bear the axial load is reduced.
(5) GE...HS type: The inner ring has a lubricating oil groove and a double half outer ring. The clearance can be adjusted after wear. Can bear radial load and small axial load in any direction.
(6) GE...DE1 type: The inner ring is made of hardened bearing steel, and the outer ring is made of bearing steel. The inner ring is extruded during assembly and has lubricating oil grooves and oil holes. Bearings with an inner diameter less than 15mm have no lubricating oil grooves and oil holes. Can bear radial load and small axial load in any direction.
(7) GE...DEM1 type: The inner ring is made of hardened bearing steel, and the outer ring is made of bearing steel. The inner ring is extruded during assembly. After the bearing is installed into the bearing seat, an end groove is pressed out on the outer ring to fix the bearing axially. Can bear radial load and small axial load in any direction.
(8) GE...DS type: The outer ring has assembly grooves and lubrication grooves. Only for large size bearings. It can bear radial load and small axial load in any direction (one side of the assembly groove cannot bear axial load).
Angular contact spherical bearings
GAC...S type The inner and outer rings are made of hardened bearing steel, and the outer ring has oil grooves and oil holes. Can withstand radial load and axial (combined) load in one direction.
Thrust spherical bearing
GX…S type The shaft washer and seat washer are made of hardened bearing steel; the seat washer has oil grooves and oil holes. Can withstand axial load or combined load in one direction (at this time, the radial load value shall not be greater than 0.5 times the axial load value).
Rod ends
(1) SI...E type is an assembly of GE...E type bearing and rod end. The rod end has internal threads, the material is carbon structural steel, and there is no lubricating oil groove. Can withstand radial load and axial load less than or equal to 0.2 times the radial load in any direction.
(2) SA...E type is an assembly of GE...E type bearing and rod end. The rod end has external threads and is made of carbon structural steel; it has no lubricating oil groove and can withstand radial loads and axial loads less than or equal to 0.2 times the radial load in any direction.
(3) SI...ES type is an assembly of GE...ES type bearings and rod ends. The rod end has internal threads and is made of carbon structural steel; it has a lubricating oil groove. Can withstand radial load and axial load less than or equal to 0.2 times the radial load in any direction.
(4) SA...ES type is an assembly of GE...ES type bearing and rod end. The rod end has external threads and is made of carbon structural steel; it has a lubricating oil groove. Can withstand radial load and axial load less than or equal to 0.2 times the radial load in any direction.
(5) SIB...S type The rod end has internal threads and is made of carbon structural steel; the inner ring is made of hardened bearing steel; there is a lubricating oil groove. Can withstand radial load and axial load less than or equal to 0.2 times the radial load in any direction.
(6) SAB...S type The rod end has external threads and is made of carbon structural steel; the inner ring is made of hardened bearing steel; there is a lubricating oil groove. Can withstand radial load and axial load less than or equal to 0.2 times the radial load in any direction.
(7) SQ... type is a ball head rod end spherical bearing, the rod end is made of carbon structural steel; the ball head is made of carburized steel. Can bear radial load and small axial load in any direction.
Self-lubricating radial spherical plain bearings
(1) GE...C type and GE...T type: extruded outer ring, the sliding surface of the outer ring is made of sintered bronze composite material; the inner ring is made of hardened bearing steel, and the sliding surface is hard chromium plated. Limited to small size bearings only. The outer ring is made of bearing steel, and the sliding surface is a layer of polytetrafluoroethylene fabric. The inner ring is made of hardened bearing steel and the sliding surface is hard chromium plated. It can withstand loads in the same direction. It can bear radial loads and small axial loads in any direction.
(2) GE...CS-2Z type: the outer ring is made of bearing steel, and the sliding surface is made of sintered bronze composite material; the inner ring is made of hardened bearing steel, and the sliding surface is hard chromium plated; both sides have dust covers. It can withstand loads in the same direction and can bear radial loads as well as small axial loads in any direction.
(3) GEEW...T type: The outer ring is made of bearing steel, and the sliding surface is a layer of polytetrafluoroethylene fabric; the inner ring is made of hardened bearing steel, and the sliding surface is plated with hard chromium. It can withstand loads in the same direction, radial loads, and small axial loads in any direction.
(4) GE...F type: The outer ring is made of hardened bearing steel, the sliding surface is made of glass fiber reinforced plastic with polytetrafluoroethylene as an additive, the inner ring is made of hardened bearing steel, and the sliding surface is hard chromium plated. Can withstand medium radial loads with constant direction.
(5) GE...F2 type: The outer ring is made of glass fiber reinforced plastic, and the sliding surface is made of glass fiber reinforced plastic with polytetrafluoroethylene as an additive; the inner ring is made of hardened bearing steel, and the sliding surface is plated with hard chromium. Can withstand medium radial loads with constant direction.
(6) GE...FSA type The outer ring is made of medium carbon steel, and the sliding surface is composed of glass fiber reinforced plastic discs with polytetrafluoroethylene as an additive, which is fixed on the outer ring with a retainer; the inner ring is made of hardened bearing steel. For large and extra large bearings. Can withstand large radial loads.
(7) The outer ring of GE...FIH type is made of hardened bearing steel; the inner ring is made of medium carbon steel, and the sliding surface is composed of glass fiber reinforced plastic discs with polytetrafluoroethylene as additive, and is fixed on the inner ring with a retainer; Double half outer ring. For large and extra large bearings. Can withstand large radial loads.
Self-lubricating angular contact spherical plain bearings
GAC...F type The outer ring is made of hardened bearing steel; the sliding surface is made of glass fiber reinforced plastic with polytetrafluoroethylene as an additive; the inner ring is made of hardened bearing steel, and the sliding surface is plated with hard chromium. Can withstand radial load and axial (combined) load in one direction.
Self-lubricating thrust spherical bearings
GX...F type: The seat ring is made of hardened bearing steel, the sliding surface is made of glass fiber reinforced plastic with polytetrafluoroethylene as an additive, the shaft ring is made of hardened bearing steel, and the sliding surface is plated with hard chromium. Can withstand axial load or combined load in one direction (the radial load value shall not be greater than 0.5 times the axial load value at this time).
Self-lubricating rod ends
(1) SI...C type is an assembly of CE...C type bearings and rod ends. The rod end is internally threaded and the material is carbon structural steel. Can withstand loads with constant direction. While bearing radial load, it can also bear axial load less than or equal to 0.2 times the radial load in any direction.
(2) SA...C type is an assembly of CE...C type bearings and rod ends. The rod end has external threads and the material is carbon structural steel. Can withstand loads with constant direction. While bearing radial load, it can also bear axial load less than or equal to 0.2 times the radial load in any direction.
(3) SI...CS-2Z type is an assembly of GE...CS-2Z type bearing and rod end. The rod end is internally threaded and the material is carbon structural steel. While bearing radial load, it can also bear axial load less than or equal to 0.2 times the radial load in any direction.
(4) SA...CS-2Z type is an assembly of GE...CS-2Z type bearing and rod end. The rod end has external threads and the material is carbon structural steel. Can withstand loads with constant direction. While bearing radial load, it can also bear axial load less than or equal to 0.2 times the radial load in any direction.
(5) SIB...C type The rod end has internal threads, the material is carbon structural steel, the sliding surface is sintered bronze composite material; the inner ring is made of hardened bearing steel, and the sliding surface is hard chromium plated. Can withstand radial loads with constant direction.
(6) SAB...C type The rod end has external threads, the material is carbon structural steel, the sliding surface is sintered bronze composite material; the inner ring is made of hardened bearing steel, and the sliding surface is hard chromium plated. Can withstand radial loads with constant direction.
(7) SIB...F type rod end has internal threads, the material is carbon structural steel, the sliding surface is glass fiber reinforced plastic with polytetrafluoroethylene as additive; the inner ring is made of hardened bearing steel, and the sliding surface is hard chromium plated . Can withstand radial loads with constant direction.
(8) SAB...F type The rod end has external threads, the material is carbon structural steel, the sliding surface is glass fiber reinforced plastic with polytetrafluoroethylene as additive; the inner ring is made of hardened bearing steel and the sliding surface is plated with hard chromium. Can withstand radial loads with constant direction.
(9) SQ...L type is made of special self-lubricating alloy material and can withstand radial load and small axial load in any direction.
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