30664 Technical Specifications
| Bearing Type | Single Row Tapered Roller Bearings |
|---|---|
| Bore Diameter(d) | 320mm |
| Outer Diameter (D) | 620mm |
| Total Width (T) | 141mm |
| Thickness(B) | 125mm |
| Dynamic Load Rating (Cr) | 2780kN |
| Static Load Rating (Cor) | 4600kN |
| Limiting Speed (Grease) | |
| Limiting Speed (Oil) | |
| Weight | 183Kg |
| Material | High-Carbon Chromium Bearing Steel (GCr15) |
| Cage Type | Pressed steel cage |
| Precision Rating | Normal (P0) |
Product Description
30664 is an extra-large heavy-duty tapered roller bearing engineered for severe industrial operating conditions. With bore diameter 320mm, outer diameter 620mm and assembly width 141mm, it is specifically designed for rolling mills, mining machinery, rotary kilns and metallurgical equipment requiring extremely high radial and axial load capacity.
This bearing features reinforced internal geometry, high structural rigidity and reliable low-speed heavy-load performance. The dynamic load rating reaches 2780kN and static load rating reaches 4600kN, ensuring stable operation under continuous shock and vibration conditions.
Typical Applications: rolling mills, crushers, cement equipment, mining machinery, heavy-duty reducers and industrial transmission systems.
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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
Image for reference only.
