NNU4068/W33X
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- Bore Diameter(d) 340 mm
- Outer Diameter(D) 520 mm
- Width(B) 180 mm
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- Dynamic Load Rating(Cr) 2490 kN
- Static Load Rating(Cor) 4800 kN
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- Weight 136 kg
- Main Dimensions
- 340mm × 520mm × 180mm
- Bearing Type
- Double Row Cylindrical Roller Bearings
| d | 340 mm | Bore Diameter |
|---|---|---|
| D | 520 mm | Outer Diameter |
| Cr | 2490 kN | Dynamic Load Rating |
| Cor | 4800 kN | Static Load Rating |
| Mass | 136 Kg | Mass |
NNU Series Double Row Cylindrical Roller Bearing NNU4068/W33X is engineered for heavy-duty industrial applications with a bore range of 100-1500 mm. Two ribs on both outer rings and no rib on the inner ring, allowing bidirectional shaft movement. Outer ring is easily detachable for simplified maintenance. With 340 mm bore, 520 mm outer diameter, and 180 mm width, it supports 2490 kN dynamic load and 4800 kN static load ratings. It features special suffix: W33X. Ideal for rolling mills, gearboxes, and large rotating machinery requiring high radial stiffness and durability. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.
- Precision Rating
- P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
- Cage
- Material
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- GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
- GCr15SiMn
- GCr18Mo
- G20Cr2Ni4A
- Clearance
- C3 (standard), customizable to C0/C2/C4/C5
- Brand
- WJY / OEM Available
- Origin
- Wafangdian, China (Global bearing manufacturing hub with 30+ years expertise)
- Quality Standard
- ISO 9001:2015 Certified
- Delivery Time
-
- For in-stock own-brand bearings, Dalian JinYu HuaYang guarantees shipment arrangement within 3–5 days after payment confirmation.
- For OEM/ODM orders, the production and delivery lead time for a full container typically ranges from 20–35 days (depending on order complexity).
- Shipping Methods
- Ocean Freight/Land Transport
- Warranty
- We provide 12-month warranty for all our products.
- Pricing Information
- Bearings prices vary based on precision grade, raw materials, and market factors. For customized quotes, please submit an inquiry.