NJ18/630EM Bearing Technical Specifications
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- Bore Diameter(d) 630mm
- Outer Diameter (D) 780mm
- Width(B) 69mm
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- Dynamic Load Rating (Cr) 1050kN
- Static Load Rating (Cor) 2500kN
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- Weight 74.2kg
The NJ18/630EM NJ Series Cylindrical Roller Bearing is designed for high radial load applications with unidirectional axial location. With dimensions of 630mm bore diameter, 780mm outer diameter, and 69mm width, this extra heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 1050kN and static load rating of 2500kN for exceptional load capacity in heavy-duty applications. The inner ring with one flange, outer ring with two flanges design provides optimal performance for specific application requirements. Featuring optimized internal design for enhanced operational reliability.
Commonly used in: locating bearingselectric motorsmarine equipmentrolling millslarge industrial machinery
Bearing Type
Main Dimensions
630mm × 780mm × 69mm
| ID | 630mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 780mm | Outside diameter(O.D.) |
| B | 69mm | Width |
| Cr | 1050kN | Radial dynamic load rating |
| Cor | 2500kN | Radial static load rating |
| Mass | 74.2Kg | Weight |
Material
GCr15 Bearing Steel (Customizable materials: GCr15 Bearing Steel/GCr15SiMn/GCr18Mo/G20Cr2Ni4A)
Cage
Standard cage ( customizable on demand in steel, brass, machined brass, etc.)
Precision Rating
P0 (Customizable on demand in P0/P6/P5/P4 grades; higher precision for demanding applications)
Clearance
C3 clearance (customizable on demand in C0/C2/C3/C4/C5 specifications)
Brand
WJY / OEM Available
Origin
Quality Standard
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
Bearings prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.