NU20/530EM Cylindrical Roller Bearing

NU20/530EM Bearing Technical Specifications

  • Bore Diameter(d) 530mm
  • Outer Diameter (D) 780mm
  • Width(B) 145mm
  • Dynamic Load Rating (Cr) 3650kN
  • Static Load Rating (Cor) 7360kN
  • Weight 252kg

The NU20/530EM NU Series Cylindrical Roller Bearing is designed for high radial load applications with free axial displacement. With dimensions of 530mm bore diameter, 780mm outer diameter, and 145mm width, this extra heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 3650kN and static load rating of 7360kN 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

Main Dimensions

530mm × 780mm × 145mm

ID 530mm Inside diameter(I.D.)
OD 780mm Outside diameter(O.D.)
B 145mm Width
Cr 3650kN Radial dynamic load rating
Cor 7360kN Radial static load rating
Mass 252Kg 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

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, 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.