NNU6/690
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- Bore Diameter(d) 690 mm
- Outer Diameter(D) 980 mm
- Width(B) 365 mm
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- Dynamic Load Rating(Cr) 9950 kN
- Static Load Rating(Cor) 26100 kN
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- Weight 912 kg
- Main Dimensions
- 690mm × 980mm × 365mm
- Bearing Type
- Double Row Cylindrical Roller Bearings
| d | 690 mm | Bore Diameter |
|---|---|---|
| D | 980 mm | Outer Diameter |
| Cr | 9950 kN | Dynamic Load Rating |
| Cor | 26100 kN | Static Load Rating |
| Mass | 912 Kg | Mass |
NNU Series Double Row Cylindrical Roller Bearing NNU6/690 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 690 mm bore, 980 mm outer diameter, and 365 mm width, it supports 9950 kN dynamic load and 26100 kN static load ratings. 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.