NNU49/530/HCW33 Double Row Cylindrical Roller Bearings

NNU49/530/HCW33 Bearing Technical Specifications

Dimensions
  • Bore Diameter(d) 530 mm
  • Outer Diameter (D) 710 mm
  • Width(B) 180 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 2930 kN
  • Static Load Rating (Cor) 7450 kN
  • Weight 203 kg
Main Dimensions
530mm × 710mm × 180mm
ID 530 mm Inside diameter(I.D.)
OD 710 mm Outside diameter(O.D.)
B 180 mm Width
Cr 2930 kN Radial dynamic load rating
Cor 7450 kN Radial static load rating
Mass 203 Kg Weight
Brand
WJY / OEM Available
Origin
Wafangdian, China (Global bearing manufacturing hub with 30+ years expertise)
Precision Rating
P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
Cage
The default cage is stamped steel; Steel, Brass, and Machined Brass cages are optional, with other types not enumerated here.
Material
  • GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
  • GCr15SiMn
  • GCr18Mo
  • G20Cr2Ni4A
Clearance
C3 (standard), customizable to C0/C2/C4/C5
Quality Standard
ISO 9001:2015 Certified

NNU Series Double Row Cylindrical Roller Bearing NNU49/530/HCW33 is engineered for heavy-duty industrial applications with a bore range of 100-1500 mm. Two ribs on both outer rings and no rib on the inner ring, allowing bidirectional shaft movement. Outer ring is easily detachable for simplified maintenance. With 530 mm bore, 710 mm outer diameter, and 180 mm width, it supports 2930 kN dynamic load and 7450 kN static load ratings. It features special suffix: HCW33. Ideal for rolling mills, gearboxes, and large rotating machinery requiring high radial stiffness and durability. The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.

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

Bearing prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.