The 30206 tapered roller bearing is a critical component in mechanical transmission systems, designed to provide solid support for stable and efficient equipment operation. This bearing can simultaneously handle large radial loads and unidirectional axial loads, making it ideal for applications with high bearing capacity and running accuracy requirements.
Widely used across multiple industries including automotive, machine tools, heavy machinery, and agricultural equipment, this bearing serves as a core component ensuring stable operation of key equipment parts and efficient power transmission.
The 30206 tapered roller bearing features frustum-shaped rollers precisely guided by the large rib of the inner ring. The conical surfaces of the inner ring raceway, outer ring raceway, and roller rolling surfaces converge at the same point on the bearing's center line, enabling pure rolling motion.
This design achieves force balance through combined forces of inner and outer ring raceways and interaction between the inner ring's large rib and rollers, effectively dispersing stress, ensuring smooth operation, reducing wear, and prolonging service life.
The separable design of inner ring assembly and outer ring facilitates easy installation and maintenance. During installation, inner and outer rings can be handled separately, allowing flexible adjustment of axial and radial clearances to adapt to different working conditions.
Both inner and outer rings can be installed with interference fit, ensuring close contact with shafts and bearing housings during high-load operation, preventing loosening and improving equipment running accuracy and stability.
| Dimension Type | Dimension Value (mm) |
|---|---|
| Inner Diameter (d) | 30 |
| Outer Diameter (D) | 62 |
| Width (B) | 17.25 |
| Inner Ring Height (C) | 16 |
| Outer Ring Height (T) | 14 |
| Weight | Approximately 0.32kg (actual weight may vary slightly due to manufacturing process and material differences) |
The unique roller and raceway design creates a large contact area that efficiently disperses loads, enabling the bearing to handle large radial and unidirectional axial loads. In automotive transmissions, it reliably withstands complex radial and axial forces from gear transmission, ensuring efficient and reliable operation.
Line contact between rollers and raceways provides higher rigidity compared to point-contact bearings. During operation, it effectively suppresses shaft deformation and vibration while maintaining high running accuracy. In precision machine tool spindles, it ensures precise tool cutting for high-precision part manufacturing.
Optimized design allows adaptation to high-speed operation within specific ranges. Through high-quality material selection, structural optimization, and advanced manufacturing processes, internal friction and heat generation are reduced, ensuring stable operation at higher speeds while minimizing wear and fatigue.
Widely used in front wheels, rear wheels, transmissions, and differential pinion shafts. At wheels, it bears radial road forces during driving and axial forces from steering and braking. In transmissions and differentials, it handles complex loads from gear transmission, ensuring efficient power transmission.
Suitable for machine tool spindles requiring high running accuracy and rigidity. It provides stable spindle support during high-speed cutting operations, ensuring precise tool positioning for high-precision part manufacturing in machinery production.
Capable of bearing massive radial and axial loads in construction equipment such as cranes and excavators. Ensures stable operation of key components while adapting to harsh environments and high-intensity operation requirements on construction sites.
Used in large agricultural equipment including tractors and combine harvesters. Handles complex loads generated by terrain and soil conditions during field operations, ensuring stable transmission system performance for efficient agricultural production.