Description
Key Specifications & Advantages of SKF-Grade Cylindrical Roller Bearings (NUP308EM Series)
| Description | Core Value |
|---|---|
| Model Range: N308EM, NJ308EM, NF308EM, NU308EM, NUP308EM | Interchangeable high-precision variants for flexible OEM integration |
| Bore × OD × Width: 40 × 90 × 23 mm (per spec) | Precise dimensional compliance with ISO 15 & DIN 620 standards |
| Material: Premium GCR15 Bearing Steel | Hardness HRC 60–64; fatigue life extended by 35% vs. standard grade |
| Precision Ratings: P0/P6/P5/P4/P2 | Ultra-tight tolerances for high-speed, low-vibration industrial applications |
| Vibration Grades: Z1V1 to Z3V3 | Optimized for CNC spindles, gearboxes & precision machinery |
| Lubrication: Grease or Oil Compatible | Pre-lubricated options available; extended service intervals |
| Radial Load Only • Non-Self-Aligning • Separable Design | Easy mounting/dismounting; ideal for fixed-position shafts |
| Origin: China (ISO 9001 & IATF 16949 Certified Factories) | Rigorous 100% dimensional & noise testing before shipment |
| OEM/ODM Support + Custom Marking (e.g., “SKF-Compatible”) | Seamless drop-in replacement for legacy SKF 308 series |
| FAQ: Are these genuine SKF? → No — but engineered to match SKF NUP308EM performance, interchangeability & lifetime under identical loads. | Backed by 12-month quality warranty and technical support |







