掘削機用アンギュラ玉軸受 300x 370x 33 傾斜油溝付き2列タイプ、高負荷容量、長寿命、重機用精密部品Inner Diameter 300mm Outer Diameter 370mmWidth 33mm 耐久性に優れた性能

Single 300x370x33 Angular-Contact Excavator Bearing, 2-Row
✔️ Open cage, two-row angular contact with 300x370x33 mm sizing

This excavator bearing is a heavy-duty angular contact unit designed for high-load, high-precision rotation in heavy equipment. It’s commonly used in swing motors, gearboxes, and undercarriage assemblies where reliable axial and radial support is critical.

✅ Inner diameter: 300 mm (11.81 in)
✅ Outer diameter: 370 mm (14.57 in)
✅ Width: 33 mm (1.30 in)
✅ Cage: Open nylon, two-row angular contact
✅ Lubrication feature: slanting oil groove for improved flow

💡 What is an angular contact bearing used for in heavy equipment and hydraulic systems?

- Angular contact bearing provides support for combined radial and axial loads in heavy equipment - Handy for swing motors, gearboxes, and hydraulic attachments where space is tight - Two-row design offers higher load capacity and stiffness - Proper lubrication and seal options extend life and reduce wear in harsh environments