Double Row Cylindrical Roller Bearings NNU4152

NNU4152

  • Bore Diameter(d) 260 mm
  • Outer Diameter(D) 440 mm
  • Width(B) 180 mm
  • Dynamic Load Rating(Cr) 2240 kN
  • Static Load Rating(Cor) 4500 kN
  • Weight 111 kg
Main Dimensions
260mm × 440mm × 180mm
Bearing Type
Double Row Cylindrical Roller Bearings
d 260 mm Bore Diameter
D 440 mm Outer Diameter
Cr 2240 kN Dynamic Load Rating
Cor 4500 kN Static Load Rating
Mass 111 Kg Mass

NNU Series Double Row Cylindrical Roller Bearing NNU4152 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 260 mm bore, 440 mm outer diameter, and 180 mm width, it supports 2240 kN dynamic load and 4500 kN static load ratings. 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.