NNU4188K30M/W33 Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 440mm × 720mm × 280mm
- Dynamic Load (Cr) 5650 kN
- Static Load (Cor) 11500 kN
- Weight 452 kg
Bearing Type
Technical Specifications
| ID | 440mm | Inside diameter |
|---|---|---|
| OD | 720mm | Outside diameter |
| B | 280mm | Width |
| Cr | 5650kN | Dynamic load rating |
| Cor | 11500kN | Static load rating |
| Mass | 452Kg | 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 NNU4188K30M/W33 NNU Series Double Row Cylindrical Roller Bearing is designed for extremely high radial load precision applications. With dimensions of 440mm bore diameter, 720mm outer diameter, and 280mm width, this heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 5650kN and static load rating of 11500kN for ultimate load capacity in extreme conditions. The inner ring without flanges, outer ring without flanges design provides optimal performance for specific application requirements. Featuring machined brass cage for enhanced operational reliability.
Commonly used in: precision machineryindustrial equipmentrolling millslarge machine toolsindustrial gearboxesapplications requiring regular lubrication
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.