NNU4944/P53W33 Bearing Overview
Image for reference only.
Core Parameters
- Main Dimensions 220mm × 300mm × 80mm
- Dynamic Load (Cr) 530 kN
- Static Load (Cor) 1200 kN
- Weight 16.6 kg
Bearing Type
Technical Specifications
| ID | 220mm | Inside diameter |
|---|---|---|
| OD | 300mm | Outside diameter |
| B | 80mm | Width |
| Cr | 530kN | Dynamic load rating |
| Cor | 1200kN | Static load rating |
| Mass | 16.6Kg | 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 NNU4944/P53W33 NNU Series Double Row Cylindrical Roller Bearing is designed for extremely high radial load precision applications. With dimensions of 220mm bore diameter, 300mm outer diameter, and 80mm width, this standard bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 530kN and static load rating of 1200kN for high load capacity in demanding applications. The inner ring without flanges, outer ring without flanges design provides optimal performance for specific application requirements. Featuring lubrication groove and holes for enhanced operational reliability.
Commonly used in: precision machineryindustrial equipmentrolling millsmachine tool spindlesindustrial 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.