Super Precision Double Row Cylindrical Roller Bearing NNU49 Series 300-480mm Bore 1200-1500 RPM High Speed
Price:
USD20 per Piece (Inquired for details)
MOQ:
10
Delivery Time:
3-45 working days.(Huge Quantity Stocks Available))
Brand:
MOUETTE
Product Description
Super Precision Double Row Cylindrical Roller Bearings
NNU49 series super precision cylindrical roller bearings are non-locating, double row bearings with tapered bore (1:12 taper), separable design, and integrated cage systems for high-speed industrial applications.
Key Product Features
Solid outer rings and inner rings with tapered bore (1:12 taper)
Cylindrical roller and cage assemblies with polyamide, brass, or PEEK cages
Separable design allows independent mounting of outer ring
NNU49 series features removable inner ring for enhanced serviceability
Optimized for high-speed operation with precision tolerances
Available with W33 lubrication feature for improved performance
Technical Specifications
| Part Number | Bore (mm) | OD (mm) | Width (mm) | Cr (kN) | Cor (kN) | Grease RPM | Oil RPM | Mass (kg) |
|---|---|---|---|---|---|---|---|---|
| NNU4960 | 300 | 420 | 118 | 1230 | 2870 | 1200 | 1500 | 51.9 |
| NNU4964 | 320 | 440 | 118 | 1260 | 3050 | 1100 | 1400 | 54.9 |
| NNU4968 | 340 | 460 | 118 | 1350 | 3400 | 1100 | 1400 | 57.8 |
| NNU4972 | 360 | 480 | 118 | 1390 | 3550 | 1000 | 1300 | 60.6 |
| NNU4976 | 380 | 520 | 140 | 1880 | 4600 | 900 | 1200 | 88.8 |
| NNU4980 | 400 | 540 | 140 | 1700 | 4500 | 850 | 1100 | 95 |
| NNU4984 | 420 | 560 | 140 | 2000 | 5015 | 800 | 1000 | 92 |
| NNU4988 | 440 | 600 | 160 | 2000 | 5400 | 750 | 900 | 135 |
| NNU4992 | 460 | 620 | 160 | 2000 | 5400 | 700 | 850 | 133 |
| NNU4996 | 480 | 650 | 170 | 2300 | 6150 | 650 | 750 | 156 |
Design Advantages
These super precision bearings are engineered for demanding applications requiring high rotational accuracy, exceptional load capacity, and reliable performance at elevated speeds. The separable design facilitates installation and maintenance, while the tapered bore ensures secure shaft mounting and precise alignment.
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Company
CHANGZHOU MOUETTE MACHINERY CO., LTD
Location
56, Liyuan Road, XueJia, Xinbei District, Changzhou, 213125, Jiangsu, China
Contact Person
Amanda Ni