High Precision NJ318EM Cylindrical Roller Bearing – Premium Quality, Tight Tolerances
Basic Info
| Bore Size | 15–90 mm |
|---|---|
| Outer Dimension | 35–180 mm |
| Specification | 90×190×43 mm |
| Material | Bearing Steel |
| Load Direction | Radial Bearing |
| Lubrication | Grease or Oil |
Introduction
High-precision cylindrical roller bearing (Model NUP318EM), ideal for heavy radial loads. Made of premium bearing steel, features non-aligning design, separated structure, and supports P0–P2 precision grades. Suitable for OEM/ODM applications with reliable grease or oil lubrication.
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Description
High Precision Nj318em NF318em Nu318em Series Cylindrical Roller Bearing
| Description | Key Selling Points |
|---|---|
| Model: NUP318EM — precision-engineered for high radial load & rigidity | Optimized internal clearance, enhanced cage guidance, P0–P2 precision grades available |
| Dimensions: 90×190×43 mm (bore × OD × width) | Exact ISO/NJ standard fit — seamless replacement for SKF NJ318E/NF318/NUP318 |
| Material: High-carbon chromium bearing steel (GCr15) | Hardness HRC 61–65, vacuum-melted, low non-metallic inclusions |
| Load Direction: Pure radial — with axial location capability (NUP type) | Fixed-locating design ideal for gearboxes, motors, and industrial drives |
| Lubrication: Grease or oil compatible | Prefilled with ISO VG 68 synthetic grease (optional); sealed or open variants |
| Vibration Class: Z1V1 to Z3V3 | Ultra-low noise & vibration — certified for precision machine tools & pumps |
| Separable Design | Easy installation/maintenance — inner ring, outer ring, and roller-cage sets sold separately |
| OEM/ODM Support & 100,000 pcs/month capacity | SKF-compatible drawings, custom marking (BDL trademark), fast lead time |
| Origin & Compliance: Made in China, HS Code 8482500090 | ISO 9001 certified production; full traceability & test reports provided |
| Applications: Wind turbines, mining conveyors, rolling mills, CNC spindles | Proven in harsh environments — >15,000 hr L10 life under rated load |
Why choose this over generic alternatives? Unlike budget clones, our NUP318EM features micro-ground raceways, optimized roller profiling, and strict vibration control — delivering 2.3× longer service life vs. standard P0-grade equivalents.
FAQ: Q: Is it interchangeable with SKF NJ318EM? A: Yes — identical dimensions, tolerances, and load ratings. Q: Can you supply with SKF packaging/logos? A: Yes, under OEM agreement. Q: What’s the max operating temperature? A: 120°C continuous (grease-lubricated), 150°C short-term.
Ready to verify performance data or request a sample? Contact us now for technical specs, CAD files, and bulk pricing.
