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Types of Bearings
Here’s a complete table summarizing the types of bearings, including their designs, load capacities, and industrial applications.
Types of Bearings |
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| Category | Bearing Type | Description | Load Capacity | Speed Rating | Common Applications |
| Rolling Element | Ball Bearing | Uses balls to separate races for low friction | Moderate radial/axial | Very High | Electric motors, skateboards |
| Deep Groove Ball | Deep raceways for radial+axial loads | Radial: High, Axial: Moderate | High | Household appliances, pumps | |
| Angular Contact | Offset raceways for axial loads | High axial (unidirectional) | Very High | Machine tool spindles, turbochargers | |
| Self-Aligning Ball | Double-row balls with spherical outer race | Moderate radial | High | Conveyors, misaligned shafts | |
| Thrust Ball | Designed for pure axial loads | Low-moderate axial | Medium | Barstools, crane hooks | |
| Roller Bearings | Cylindrical Roller | Line contact for high radial loads | Very high radial | High | Gearboxes, rolling mills |
| Tapered Roller | Cone-shaped rollers for combined loads | High radial/axial | Medium-High | Wheel hubs, heavy machinery | |
| Spherical Roller | Barrel-shaped rollers with self-alignment | Extreme radial/axial | Medium | Mining equipment, vibrating screens | |
| Needle Roller | Thin rollers for compact spaces | High radial (limited space) | Low-Medium | Automotive transmissions, planetary gears | |
| Thrust Roller | Flat or tapered rollers for axial loads | Extreme axial | Low | Ship propeller shafts, extruders | |
| Plain Bearings | Bushings | Simple sleeve with sliding contact | Low-moderate all directions | Very Low | Hinges, linkage joints |
| Journal Bearings | Fluid film lubrication for rotating shafts | Extreme (hydrodynamic effect) | Very High | Turbines, large diesel engines | |
| Thrust Washers | Flat sliding surface for axial loads | Low axial | Low | Low-speed rotary tables | |
| Specialized | Magnetic Bearing | Levitation via electromagnetic fields | Moderate (no contact) | Extreme | Flywheel storage, high-speed turbines |
| Air Bearing | Pressurized air film for near-zero friction | Low | Ultra-High | Semiconductor manufacturing, CMM machines | |
| Ceramic Hybrid | Ceramic balls with steel races | Moderate (corrosion resistant) | Very High | Chemical pumps, MRI machines | |
| Pillow Block | Pre-mounted housing for easy installation | Varies by inner bearing type | Varies | Conveyors, agricultural equipment | |
| Linear Motion | Linear Ball Bushing | Recirculating balls for straight-line motion | Moderate | High | 3D printers, CNC rails |
| Crossed Roller | Perpendicular rollers for precision linear/rotary | High (rigidity) | Medium | Robotics rotary joints, telescope mounts | |
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