NN3060K Technical Specifications
| Bearing Type | Double Row Cylindrical Roller Bearings |
|---|---|
| d (ID) | 300mm |
| D (OD) | 460mm |
| B (Width) | 118mm |
| Dynamic Load (Cr) | 1290kN |
| Static Load (Cor) | 2790kN |
| Mass | 76.2Kg |
| Material | High-carbon chromium bearing steel (GCr15 / 52100 equivalent) |
| Cage | Precision-machined brass cage |
| Clearance | C3 clearance |
| Precision | P0 / Normal grade |
Product Description
NN3060K is an NN series double row cylindrical roller bearing with dimensions of 300×460×118 mm. The bearing is designed to provide high radial load capacity, excellent rigidity and high rotational accuracy for machine tool spindles, rolling mills and precision industrial machinery.
This bearing features a tapered bore (1:12 taper), allowing precise mounting adjustment and preload control, making it particularly suitable for machine tool spindle applications.
Key Features
- Double row cylindrical roller bearing design.
- High radial load carrying capacity.
- Excellent rigidity and shaft guidance.
- High running accuracy for precision applications.
- Low friction and high-speed capability.
- Suitable for machine tool spindle applications.
- Tapered bore design enables accurate mounting and radial clearance adjustment.
Applications
- Machine tool spindles
- Grinding machines
- Machining centers
- Precision industrial equipment
- Industrial gearboxes
- Rolling mill equipment
- Heavy-duty metallurgical machinery
- Large industrial rotating equipment
Related Products
What is the difference between NN and NNU bearings?
NN series bearings have ribs on the inner ring, while NNU series bearings have ribs on the outer ring. Both designs provide high radial load capacity and rigidity, but differ in mounting and shaft guidance arrangements.
What does the K suffix mean in NN3060K?
The K suffix indicates a tapered bore with a 1:12 taper, allowing precise mounting adjustment and clearance control.
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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