High Precision N308EM Cylindrical Roller Bearing – China Factory
Basic Info.
| Bore Diameter | 15–90 mm |
|---|---|
| Outer Diameter | 35–180 mm |
| Width/Thickness | 40×90×23 mm |
| Material | Bearing Steel |
| Type | Cylindrical Roller Bearing |
| Load Direction | Radial |
Introduction
High-precision cylindrical roller bearing (Model NUP308EM), made of premium bearing steel. Designed for radial load applications with grease or oil lubrication. Features separated structure, P0–P2 precision ratings, and low-vibration options (Z1V1–Z3V3). Widely used in industrial machinery and OEM/ODM projects. Made in China.
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Warranty 1 year
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Description
Why Choose Our High-Precision Cylindrical Roller Bearings?
| Description | Key Specification / Benefit |
|---|---|
| Precision & Grade | P0–P2 ultra-precision ratings — ideal for high-speed, low-vibration applications |
| Robust Material | High-carbon chromium bearing steel (GCr15), hardened to HRC 60–64 |
| Radial Load Capacity | Optimized cylindrical rollers + hardened raceways — 30% higher dynamic load vs. standard N-series |
| Separable Design | NUP/NJ/NF/NU types allow easy mounting, dismounting & axial location control |
| Dimension Range | Bore: 15–90 mm | OD: 35–180 mm | e.g., 40×90×23 mm (NUP308EM) |
| Vibration Control | Z1V1–Z3V3 graded — meets ISO 2372 for critical industrial gearboxes & motors |
| Lubrication Flexibility | Compatible with both premium grease (e.g., SKF LGMT 2) and circulating oil systems |
| OEM/ODM Ready | BDL-branded, fully compliant with ISO 9001 & ISO/TS 16949; supports custom packaging & marking |
| Global Compliance | HS Code 8482500090; CE-marked; RoHS & REACH certified |
| Typical Applications | Wind turbine gearboxes, CNC spindles, rolling mills, compressors, and heavy-duty pumps |
Engineered for reliability where failure is not an option — these bearings deliver superior rigidity, thermal stability, and service life vs. generic alternatives. Unlike off-brand cylindrical rollers, ours feature ground raceways, optimized roller profiles, and strict batch traceability. Got a specific shaft/housing fit or performance requirement? Contact us now for free technical consultation and fast sample support.
