Double Row Cylindrical Roller Bearings NNU40/500K/W33

NNU40/500K/W33

  • Bore Diameter(d) 500 mm
  • Outer Diameter(D) 720 mm
  • Width(B) 218 mm
  • Dynamic Load Rating(Cr) 4450 kN
  • Static Load Rating(Cor) 10500 kN
  • Weight 282 kg
Main Dimensions
500mm × 720mm × 218mm
Bearing Type
Double Row Cylindrical Roller Bearings
d 500 mm Bore Diameter
D 720 mm Outer Diameter
Cr 4450 kN Dynamic Load Rating
Cor 10500 kN Static Load Rating
Mass 282 Kg Mass

NNU Series Double Row Cylindrical Roller Bearing NNU40/500K/W33 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 500 mm bore, 720 mm outer diameter, and 218 mm width, it supports 4450 kN dynamic load and 10500 kN static load ratings. It features special suffix: K and includes lubrication grooves and holes for continuous oil supply. 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.

Precision Rating
P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
Cage
Material
  • GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
  • GCr15SiMn
  • GCr18Mo
  • G20Cr2Ni4A
Clearance
C3 (standard), customizable to C0/C2/C4/C5
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 for all our products.
Pricing Information
Bearings prices vary based on precision grade, raw materials, and market factors. For customized quotes, please submit an inquiry.