NU20/630EM Bearing Technical Specifications
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- Bore Diameter(d) 630mm
- Outer Diameter (D) 920mm
- Width(B) 170mm
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- Dynamic Load Rating (Cr) 4700kN
- Static Load Rating (Cor) 9500kN
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- Weight 395kg
The NU20/630EM NU Series Cylindrical Roller Bearing is designed for high radial load applications with free axial displacement. With dimensions of 630mm bore diameter, 920mm outer diameter, and 170mm width, this extra heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 4700kN and static load rating of 9500kN for ultimate load capacity in extreme conditions. The inner ring without flanges, outer ring with two flanges design provides optimal performance for specific application requirements. Featuring optimized internal design for enhanced operational reliability.
Commonly used in: electric motorsindustrial gearboxespumpsrolling millslarge industrial machinery
Bearing Type
Main Dimensions
630mm × 920mm × 170mm
| ID | 630mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 920mm | Outside diameter(O.D.) |
| B | 170mm | Width |
| Cr | 4700kN | Radial dynamic load rating |
| Cor | 9500kN | Radial static load rating |
| Mass | 395Kg | 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.