The 30306 tapered roller bearing is designed to handle combined radial and axial loads, making it suitable for medium to heavy-duty industrial applications. Its tapered geometry allows efficient load distribution across the rolling elements, improving durability and reducing friction during operation.
This model is widely used in automotive systems, gearboxes, agricultural machinery, and construction equipment where stability under load and long service life are required.
Technical Parameters
| Item | Specification |
|---|---|
| Bearing Type | Tapered Roller Bearing |
| Model | 30306 |
| Inner Diameter (d) | 30 mm |
| Outer Diameter (D) | 72 mm |
| Width (T) | 20.75 mm |
| Load Type | Radial load + Axial load |
| Cage Material | Steel cage |
| Material | GCr15 Chrome Steel |
| Lubrication | Grease or oil lubrication |
| Structure | Single row tapered roller bearing |
| Operating Speed | Medium speed applications |
| Temperature Range | -30°C to 150°C |
Key Features
- Supports combined radial and axial loads
- High load carrying capacity
- Stable performance under continuous operation
- Reduced friction and heat generation
- Long service life in heavy-duty environments
- Suitable for shock and vibration conditions
Applications
- Automotive wheel hubs
- Gearboxes and transmission systems
- Agricultural machinery
- Construction machinery
- Industrial drive systems
- Mining and heavy equipment
- Conveyor and material handling systems
Engineering Advantages
The tapered roller structure improves contact efficiency between rollers and raceways, allowing the bearing to handle higher loads compared to standard ball bearings.
It also reduces stress concentration, improves alignment stability, and enhances fatigue resistance under long-term operation.
Custom Options
- Internal clearance adjustment
- Cage material selection (steel or brass)
- Sealed or open design options
- High-temperature grease filling
- OEM branding and packaging support
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