Trailer Wheel Bearings
Bearing
Trailer axle bearings are essential components that reduce friction, support heavy loads, and ensure safe and reliable wheel performance in global transport and logistics industries.
Applications
• Semi trailers
• Truck axle systems
• Agricultural trailers
• Heavy-duty transport vehicles

Why Choose Our Bearings?
Our trailer wheel bearings are manufactured with precision and high-quality materials to ensure smooth operation and long service life. Designed for heavy-duty applications, they provide reliable performance under demanding conditions.
1.Heavy-Duty Performance
The trailer axle bearing is engineered to handle large radial and axial loads, ensuring stable wheel rotation even under harsh conditions.
2.High Precision Manufacturing
Manufactured with tight tolerances, the bearing delivers smooth, low-noise operation, improving driving safety and comfort.
3.Premium Quality Steel
Made from high-strength bearing steel with advanced heat treatment for excellent wear resistance and extended service life.
4.Wide Application
Suitable for various trailer types, including semi-trailers, agricultural trailers, and heavy-duty trucks, meeting international quality standards.
What Are Trailer Wheel Bearings?
Trailer wheel bearings are essential components in the wheel end system. They reduce friction and allow smooth rotation of the wheel hub, ensuring stable and efficient movement of the trailer.
| Bearing | |
| external diameter | 152.4(mm) |
| internal diameter | 88.9(mm) |
| model | 518445 |
| thickness | 39.69(mm) |
| Scroll Type | tapered roller |
| Raceway type | Straight raceway |
| Number of rolling element columns | Single column |
| texture of material | High carbon chromium bearing steel |
| Accuracy grade | P5 |
| series | 518445 |
Key Features
• High load capacity
• Low friction performance
• Precision manufacturing
• Durable and long-lasting design
When to Replace Wheel Bearings?
Wheel bearings should be replaced when:
• Unusual noise or vibration occurs
• Excessive heat is detected
• Wear or damage is visible
Proper maintenance ensures safety and prolongs the service life of the trailer.





















