ST4580 LFT RICH Single Row Tapered Roller Bearing - 45.242 x 79.974 x 20.7 mm
OE Reference / Interchange:
TOYOTA 90368-45014 | TOYOTA 90366-T0028
Technical Specifications:
- Catalog Code: ST4580 LFT RICH
- Brand: RICH
- Type: Single row tapered roller bearing
- Bore Diameter (d): 45.242 mm
- Outer Diameter (D): 79.974 mm
- Width (T): 20.7 mm
- Inner Ring Width (B): 20.8 mm
- Outer Ring Width (C): 15 mm
- Weight: 0.42 kg
- Country of Origin: China
Product Overview:
The ST4580 LFT RICH is a high-precision single row tapered roller bearing specifically engineered to handle combined heavy radial and axial loads. This bearing features the "LFT" (Low Friction Torque) designation, indicating an optimized internal geometry designed to reduce friction and improve fuel efficiency in automotive and industrial drive systems. Its unique dimensions—45.242 mm bore and nearly 80 mm outer diameter—make it a critical component for specialized automotive differentials and wheel hubs, particularly within Toyota drivetrain assemblies. Manufactured with premium bearing steel, it ensures high fatigue resistance and dimensional stability under extreme operating conditions. The tapered design allows the bearing to manage thrust loads effectively in one direction, and when used in pairs, it provides rigid shaft guidance and precise axial positioning. This model offers a reliable, cost-effective alternative for maintenance and repair of high-stress mechanical systems.
Key Performance Advantages:
- Low Friction Technology: The LFT design reduces rolling resistance, leading to lower operating temperatures and improved energy efficiency.
- High Load Capacity: Optimized contact between rollers and raceways allows for the management of significant combined loads.
- Direct OE Compatibility: Engineered as a high-quality interchange for Toyota 90368-45014 and 90366-T0028 references.
- Durability: High-grade steel construction provides excellent resistance to wear and mechanical fatigue in demanding environments.
Transparency Note: This bearing is manufactured under the RICH brand. The OE references are provided for identification purposes and do not imply affiliation with the original equipment manufacturer. Please note that while similar items may originate elsewhere, this RICH component is manufactured in China.
