Precision Bearings

Precision Bearings for Machine Tools

Luoyang Songju supplies high-precision bearings specifically engineered for demanding machine tool applications. Our bearings meet P4 and above precision grades (ISO 3408), ensuring exceptional accuracy, rigidity, and long service life.

Product Range

• Angular Contact Ball Bearings — P4/P2 grade, single row and matched sets for spindle applications
• Cylindrical Roller Bearings — P4 grade, high radial rigidity for heavy-load conditions
• Spindle Bearings — Ultra-precision bearings for milling, grinding, and turning spindles
• Thrust Ball Bearings — High axial load capacity for vertical applications

Quality Assurance

Every bearing undergoes 100% inspection including dimensional checks, roundness measurement, noise testing, and rotational accuracy verification before shipment. ISO 9001:2015 certified quality system.