NNU49/530/HCW33 Cylindrical Roller Bearing

NNU49/530/HCW33 Bearing Technical Specifications

  • Bore Diameter(d) 530mm
  • Outer Diameter (D) 710mm
  • Width(B) 180mm
  • Dynamic Load Rating (Cr) 2930kN
  • Static Load Rating (Cor) 7450kN
  • Weight 203kg

The NNU49/530/HCW33 NNU Series Double Row Cylindrical Roller Bearing is designed for extremely high radial load precision applications. With dimensions of 530mm bore diameter, 710mm outer diameter, and 180mm width, this extra heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 2930kN and static load rating of 7450kN 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 hardened cages for enhanced operational reliability.

Commonly used in: precision machineryindustrial equipmentrolling millslarge industrial machineryapplications requiring regular lubrication

Main Dimensions

530mm × 710mm × 180mm

ID 530mm Inside diameter(I.D.)
OD 710mm Outside diameter(O.D.)
B 180mm Width
Cr 2930kN Radial dynamic load rating
Cor 7450kN Radial static load rating
Mass 203Kg 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.