Part Number | NNU 4888 KM/W33 |
Brand: BearingMaker | Interchangeable With: SKF |
System of Measurement | Metric |
Roller Bearing Type | Cylindrical |
For Load Direction | Combined |
Bore Dia | 440 mm |
Outer Dia | 540 mm |
Chamfer Dimension Outer Ring(r1,2)(min.) | 2.1 mm |
Permissible Axial Displacement(max.) | 3.5 mm |
Dynamic Radial Load | 227250 lbf |
Static Radial Load | 652500 lbf |
Max Speed (X1000 rpm) | 1 |
Lubrication | Grease, Oil |
Temperature Range | -30° to 110 °C |
RoHS | Compliant |
REACH | Compliant |

NNU 4888 KM/W33
Design Features of NNU 4888 KM/W33 Bearing
NNU 4888 KM/W33 Bearing is engineered to provide higher load capacity and rigidity compared to their single-row counterparts. Featuring two rows of rollers, its design allows for better distribution of load across a wider area, enhancing stability and support. NNU 4888 KM/W33 bore dia is 440 mm. Its out dia is 540 mm. NNU 4888 KM/W33 width is Width. This bearing is constructed using advanced materials and manufacturing techniques to ensure minimal friction, reduced heat generation, and extended service life.
What Benefits Can NNU 4888 KM/W33 Bearing Provide?
- Higher Load Support: With two layers of rollers, it can take on more weight, perfect for tasks that are heavy or tough.
- Precise Manufacturing: It’s carefully made for the highest accuracy, reducing mistakes in fast-moving applications.
- Stability and Rigidity: It is designed to not twist or bend out of shape, which is great for machines that need to move in specific, exact ways.
- Efficient Operation: Advanced design and materials mean it creates less friction, keeping it cooler and more efficient.
- Durability: Made with durable materials and techniques, they last longer, even in harsh conditions.
What Can NNU 4888 KM/W33 Bearing Be Used for?
NNU 4888 KM/W33 Bearing is perfect for jobs that need very precise and strong parts. It is used in:
- Precision Machines: For cutting and shaping with great accuracy.
- Healthcare Machines: Like for detailed scans in MRI machines.
- Aerospace Parts: In engines and other airplane parts that have to be very exact.
- High-Performance Cars: For engines and gear systems that need to be both tough and precise.
- Robots and Automated Systems: Where movements need to be exact and reliable.