NNU4192K30 Technical Specifications
| Bearing Type | Double Row Cylindrical Roller Bearings |
|---|---|
| d (ID) | 460mm |
| D (OD) | 760mm |
| B (Width) | 300mm |
| Dynamic Load (Cr) | 6350kN |
| Static Load (Cor) | 13000kN |
| Mass | 533Kg |
| Material | High-carbon chromium bearing steel (GCr15 / 52100 equivalent) |
| Cage | Precision-machined brass cage |
| Clearance | C3 clearance |
| Precision | P0 / Normal grade |
Product Description
NNU4192K30 is a double row cylindrical roller bearing with dimensions of 460×760×300 mm. It features flanges on the outer ring and is designed for high radial loads and precise shaft guidance. The NNU41 series is designed for extremely heavy radial loads and large rotating equipment.
This bearing features a tapered bore (1:12 taper), allowing accurate mounting adjustment and radial clearance control.
Key Features
- Outer ring rib design provides excellent rigidity and radial guidance.
- High running accuracy for precision applications.
- Low friction and high-speed capability.
- Suitable for machine tool spindle and precision equipment applications.
- Tapered bore design enables accurate mounting and radial clearance adjustment.
Applications
- Machine tool spindles
- Grinding machines
- Machining centers
- Precision machine tools
- Industrial gearboxes
- Rolling mill equipment
- Heavy-duty metallurgical machinery
- Large industrial rotating equipment
Related Products
What is the difference between NNU and NN bearings?
NNU series bearings have flanges on the outer ring, while NN series bearings have flanges on the inner ring. Both are double row cylindrical roller bearings designed for high radial loads and precision applications.
What does the K suffix mean in NNU4192K30?
The K suffix indicates a tapered bore with a 1:12 taper, allowing precise mounting adjustment and clearance control.
What is the lead time for NNU4192K30 bearing?
For large-size NNU series cylindrical roller bearings (bore size ≥400 mm), lead time is typically 25–40 days depending on production schedule and manufacturing requirements.
Delivery & Service
Delivery Time
In-stock items: 3–5 working days; Bulk orders: 7–15 working days.
Shipping
Ocean Freight / Land Transport
Warranty
12-month warranty, extendable to 18 months.
Loading Port
Dalian Port or other nominated port
Packing
Export packing: tube + box + carton + wooden case
Order
Mixed models & small orders welcome
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