NJ18/630EM
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- Bore Diameter(d) 630 mm
- Outer Diameter(D) 780 mm
- Width(B) 69 mm
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- Dynamic Load Rating(Cr) 1050 kN
- Static Load Rating(Cor) 2500 kN
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- Weight 74.2 kg
- Main Dimensions
- 630mm × 780mm × 69mm
- Bearing Type
- Single Row Cylindrical Roller Bearings
| d | 630 mm | Bore Diameter |
|---|---|---|
| D | 780 mm | Outer Diameter |
| Cr | 1050 kN | Dynamic Load Rating |
| Cor | 2500 kN | Static Load Rating |
| Mass | 74.2 Kg | Mass |
NJ Series Single Row Cylindrical Roller Bearing NJ18/630EM. Featuring inner ring with single rib + loose rib, outer ring with double ribs, it supports 1050 kN dynamic and 2500 kN static loads. Gearboxes requiring unidirectional axial positioning, suitable for heavy-duty machinery including rolling mills, mining crushers, and marine propulsion systems Specifically designed for enhanced durability for heavy impact applications. 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.