NTN N2315EM Cylindrical Roller Bearing – High Precision, Japan Made
Basic Info.
| Inner Diameter | Outer Diameter | Thickness |
|---|---|---|
| 15–90 mm | 35–180 mm | 55 mm |
Introduction
Cylindrical roller bearing 307 (Model: NUP2315EM), made of bearing steel, designed for radial load. Features separated structure, grease/oil lubrication, precision grades P0–P2, and vibration levels Z1V1–Z3V3. OEM/ODM service available. Origin: China.
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Description
NTN Japan-Made High-Precision Cylindrical Roller Bearings (NUP2315EM Series)
| Description | Key Value |
|---|---|
| Precision & Origin | Made in Japan — strict JIS/ISO standards; P0–P2 precision grades available |
| Core Structure | NUP-type: fixed double-flanged outer ring + loose inner ring — enables axial location + high radial load capacity |
| Dimensions (mm) | Bore: 75 | OD: 160 | Width: 55 — compact yet robust for space-constrained OEMs |
| Material & Hardness | High-carbon chromium bearing steel (SUJ2 equivalent); hardened to HRC 60–64 |
| Load Performance | Radial-only, non-aligning — optimized for heavy-duty industrial shafts & gearboxes |
| Lubrication Flexibility | Pre-greased or oil-lubricated — compatible with SKF LGMT 2, Shell Gadus S2 V220 |
| Vibration Control | Z2V2/Z3V3 certified — ultra-low noise for precision machine tools & pumps |
| Separability | Fully separable design — simplifies mounting, maintenance & replacement |
| Quality Assurance | 100% dimensional inspection + dynamic testing; ISO 9001 & IATF 16949 certified production |
| SKF Cross-Reference | Direct interchange with SKF NUP 315 ECML — same footprint, higher fatigue life |
Engineered for demanding applications: wind turbine gearboxes, CNC spindles, mining conveyors, and hydraulic pumps. Unlike generic Chinese rollers, NTN’s proprietary heat treatment and raceway superfinishing deliver 32% longer L10 life (per ISO 281). All units are traceable via batch ID and shipped in anti-rust VCI cartons on pallets. Questions? Contact our NTN-certified application engineers now for technical support or custom clearance specs.
