NNU4180 Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 400mm × 650mm × 250mm
- Dynamic Load (Cr) 4700 kN
- Static Load (Cor) 9550 kN
- Weight 328 kg
Bearing Type
Technical Specifications
| ID | 400mm | Inside diameter |
|---|---|---|
| OD | 650mm | Outside diameter |
| B | 250mm | Width |
| Cr | 4700kN | Dynamic load rating |
| Cor | 9550kN | Static load rating |
| Mass | 328Kg | Weight |
Material
GCr15 Bearing Steel (Customizable: GCr15 / GCr15SiMn / GCr18Mo / G20Cr2Ni4A)
Cage
Standard cage (Customizable: Steel / Brass / Machined Brass)
Precision Rating
P0 (P0 / P6 / P5 / P4 available)
Clearance
C3 clearance (C0 / C2 / C3 / C4 / C5 available)
Brand
WJY / OEM Available
Origin
Wafangdian, China (30+ years bearing manufacturing hub)
Quality Standard
OEM & Customization
Custom materials, cages, precision & clearance available.
Product Description
The NNU4180 NNU Series Double Row Cylindrical Roller Bearing is designed for extremely high radial load precision applications. With dimensions of 400mm bore diameter, 650mm outer diameter, and 250mm width, this heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 4700kN and static load rating of 9550kN for ultimate load capacity in extreme conditions. The inner ring without flanges, outer ring without flanges design provides optimal performance for specific application requirements.
Commonly used in: precision machineryindustrial equipmentrolling millslarge machine toolsindustrial gearboxes
Delivery & Service
Delivery Time
In-stock: 3–5 days; OEM/ODM: 20–35 days.
Shipping Methods
Ocean Freight / Land Transport
Warranty
12-month warranty, extendable to 18 months.
Pricing Information
Prices vary by precision & material. Please submit an inquiry for best quote.