NN30/850K/W33
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- Bore Diameter(d) 850 mm
- Outer Diameter(D) 1220 mm
- Width(B) 272 mm
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- Dynamic Load Rating(Cr) 7800 kN
- Static Load Rating(Cor) 18000 kN
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- Weight 930 kg
- Main Dimensions
- 850mm × 1220mm × 272mm
- Bearing Type
- Double Row Cylindrical Roller Bearings
| d | 850 mm | Bore Diameter |
|---|---|---|
| D | 1220 mm | Outer Diameter |
| Cr | 7800 kN | Dynamic Load Rating |
| Cor | 18000 kN | Static Load Rating |
| Mass | 930 Kg | Mass |
NN Series Double Row Cylindrical Roller Bearing NN30/850K/W33 is engineered for heavy-duty industrial applications with a bore range of 100-1500 mm. Two ribs on both inner rings and no rib on the outer ring, designed for extremely high radial loads. Enables bidirectional shaft movement, ideal for fixed ends in heavy-duty equipment. With 850 mm bore, 1220 mm outer diameter, and 272 mm width, it supports 7800 kN dynamic load and 18000 kN static load ratings. It features special suffix: K and includes lubrication grooves and holes for continuous oil supply. 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.