1. Structure of Axial-Radial Bearings
\n1. Axial Raceways
\n\u2022 Axial raceways are machined on the end faces of the inner and outer rings to bear axial loads.
\n\u2022 When combined with balls or rollers, they function as axial roller bearings.
\n2. Radial Raceways
\n\u2022 The grooves on the inner and outer diameters are designed as radial raceways.
\n\u2022 When combined with rollers, they function as radial roller bearings.
\n3. Rolling Elements
\n\u2022 Axial section: Usually uses balls or short cylindrical rollers evenly distributed along the axial raceways to withstand bi-directional axial loads.
\n\u2022 Radial section: Typically uses cylindrical rollers to bear radial loads and provide high rigidity.
\n4. Cages or Spacers
\n\u2022 Maintain even spacing between rolling elements and prevent friction between them.
\n\u2022 High-precision models often use resin spacers for stability and low friction.
\n5. Inner and Outer Rings
\n\u2022 The inner ring is mounted on the shaft, while the outer ring is fixed to the housing.
\n\u2022 Both rings feature axial and radial raceways to accommodate combined loads.
\n6. Seals and Lubrication
\n\u2022 Most models are pre-lubricated with grease and sealed for maintenance convenience.
\n\u2022 Optional oil-air lubrication systems can be used for heavy-load or ultra-precise applications.<\/p>\n
\u2e3b<\/p>\n
2. Characteristics and Functions of Axial-Radial Bearings
\n1. Simultaneous Axial and Radial Load Support
\n\u2022 A single bearing can support bi-directional axial loads, radial loads, and moment loads.
\n\u2022 Integrates the functions of both a thrust bearing and a radial bearing.
\n2. High Rigidity and Load Capacity
\n\u2022 Utilizes line contact between rollers and raceways for superior stiffness and high load capability.
\n\u2022 Ideal for large-scale machinery and high-precision rotary tables.
\n3. High-Precision Positioning
\n\u2022 Axial and radial clearances can be minimized or preloaded for enhanced rigidity.
\n\u2022 Enables extremely accurate positioning for rotating platforms.
\n4. Compact Structure
\n\u2022 Combines multiple functions into a single bearing, minimizing installation space.
\n\u2022 Easy to install and maintain.<\/p>\n
\u2e3b<\/p>\n
3. Typical Applications
\n\u2022 CNC rotary tables \/ five-axis machining centers
\n\u2022 Vertical lathe spindles
\n\u2022 Gear testing instruments \/ precision measurement platforms
\n\u2022 Radar and satellite antenna rotation mechanisms
\n\u2022 Rotary modules in automation equipment<\/p>","protected":false},"excerpt":{"rendered":"
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