Welcome to Linqing Xinshengdi Bearing Co., Ltd.
31308 Heavy-Duty Pinion Tapered Bearing | 40x90x25.25mm
- Dimensions: 40mm (ID) x 90mm (OD) x 25.25mm (T)
- Load Ratings: Dynamic (Cr) = 88.2 kN, Static (Cor) = 93.1 kN
- Quality Standards: Manufactured strictly under IATF 16949 premium automotive protocols
- Cage Type: Pressed steel window-type cage for optimal roller guidance and grease retention
- Boundary Code: ISO 355 series 7EC
As a critical component in heavy truck rear-axle pinion supports and construction machinery gearboxes, the 31308 stands out for its robust impact resistance. The steep-angle alignment ensures that structural thrust loads are evenly distributed across the logarithmic profile rollers, preventing early flaking or spalling. It serves as a reliable direct replacement for major global OE part numbers in industrial drivelines.
