NJ18/630EM Bearing Technical Specifications
- Dimensions
-
- Bore Diameter(d) 630 mm
- Outer Diameter (D) 780 mm
- Width(B) 69 mm
- Basic Load Rating
-
- Dynamic Load Rating (Cr) 1050 kN
- Static Load Rating (Cor) 2500 kN
-
- Weight 74.2 kg
- Main Dimensions
- 630mm × 780mm × 69mm
| ID | 630 mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 780 mm | Outside diameter(O.D.) |
| B | 69 mm | Width |
| Cr | 1050 kN | Radial dynamic load rating |
| Cor | 2500 kN | Radial static load rating |
| Mass | 74.2 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
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.
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.