NNU4084/W33 Cylindrical Roller Bearing

NNU4084/W33 Bearing Technical Specifications

  • Bore Diameter(d) 420mm
  • Outer Diameter (D) 620mm
  • Width(B) 200mm
  • Dynamic Load Rating (Cr) 3450kN
  • Static Load Rating (Cor) 7500kN
  • Weight 204kg

The NNU4084/W33 NNU Series Double Row Cylindrical Roller Bearing is designed for extremely high radial load precision applications. With dimensions of 420mm bore diameter, 620mm outer diameter, and 200mm width, this heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 3450kN and static load rating of 7500kN for ultimate load capacity in extreme conditions. The inner ring without flanges, outer ring without flanges design provides optimal performance for specific application requirements. Featuring lubrication groove and holes for enhanced operational reliability.

Commonly used in: precision machineryindustrial equipmentrolling millslarge machine toolsindustrial gearboxesapplications requiring regular lubrication

Main Dimensions

420mm × 620mm × 200mm

ID 420mm Inside diameter(I.D.)
OD 620mm Outside diameter(O.D.)
B 200mm Width
Cr 3450kN Radial dynamic load rating
Cor 7500kN Radial static load rating
Mass 204Kg 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.