NTN N324EM Cylindrical Roller Bearing – High-Load, Precision, ISO Standard
Product Description
| Bore Diameter | Outer Diameter | Width |
|---|---|---|
| 15–90 mm | 35–180 mm | 55 mm |
Overview
Cylindrical roller bearing NUP324EM, made of bearing steel, designed for radial load applications. Features separated structure, grease or oil lubrication, precision grades P0–P2, and vibration classes Z1V1–Z3V3. Manufactured by NTN in Japan.
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Description
NTN NUP324EM Cylindrical Roller Bearing – High-Precision Radial Solution
| Feature | Detail |
| Core Application | Heavy-duty industrial gearboxes, wind turbines, mining equipment & steel mill machinery |
| Key Performance | High radial load capacity (C = 540 kN), low friction, P5 precision option available |
| Material & Heat Treatment | Japanese JIS SUJ2 bearing steel, vacuum-degassed + case-hardened for fatigue resistance |
| Design Advantage | NUP-type: Fixed double-flanged outer ring + loose inner ring — enables axial displacement & thermal expansion compensation |
| Dimensional Accuracy | 120 × 260 × 55 mm (d × D × B); tolerance grade ABEC-5 (P5) compliant |
| Lubrication Flexibility | Pre-greased (NLGI #2 lithium complex) or oil-lubricated; compatible with SKF LGMT 2 & Mobilith SHC 100 |
| Quality Assurance | 100% vibration-tested (Z2V2 level), ISO 9001 & IATF 16949 certified production in Japan |
| Differentiator vs. Generic Brands | Superior roller profile grinding → 30% longer L10 life; tighter raceway roughness (Ra ≤ 0.2 μm) |
| Mounting Support | Includes NTN mounting guide & thermal expansion clearance calculator (downloadable) |
| FAQ Highlight | Q: Can it replace SKF NU324ECP? A: Yes — identical envelope dimensions and load ratings; NUP324EM adds axial location capability. |
Engineered for reliability where uptime is non-negotiable. Trusted by OEMs across Asia and Europe since 1987. Ready to optimize your rotating system? Send your inquiry now — we’ll reply within 2 business hours with full technical support, CAD files, and volume pricing.
