NNU6/690 Bearing Technical Specifications
- Dimensions
-
- Bore Diameter(d) 690 mm
- Outer Diameter (D) 980 mm
- Width(B) 365 mm
- Basic Load Rating
-
- Dynamic Load Rating (Cr) 9950 kN
- Static Load Rating (Cor) 26100 kN
-
- Weight 912 kg
- Main Dimensions
- 690mm × 980mm × 365mm
| ID | 690 mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 980 mm | Outside diameter(O.D.) |
| B | 365 mm | Width |
| Cr | 9950 kN | Radial dynamic load rating |
| Cor | 26100 kN | Radial static load rating |
| Mass | 912 Kg | Weight |
- Brand
- WJY / OEM Available
- Origin
- Wafangdian, China (Global bearing manufacturing hub with 30+ years expertise)
- Precision Rating
- P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
- Cage
- The default cage is stamped steel; Steel, Brass, and Machined Brass cages are optional, with other types not enumerated here.
- Material
-
- GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
- GCr15SiMn
- GCr18Mo
- G20Cr2Ni4A
- Clearance
- C3 (standard), customizable to C0/C2/C4/C5
- Quality Standard
- ISO 9001:2015 Certified
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.
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, extendable to 18 months via authorized JinYu distributors.
Pricing Information
Bearing prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.