NNU49/1180/W33 Double Row Cylindrical Roller Bearings

NNU49/1180/W33 Bearing Technical Specifications

Dimensions
  • Bore Diameter(d) 1180 mm
  • Outer Diameter (D) 1540 mm
  • Width(B) 355 mm
Basic Load Rating
  • Dynamic Load Rating (Cr) 11500 kN
  • Static Load Rating (Cor) 35500 kN
  • Weight 1660 kg
Main Dimensions
1180mm × 1540mm × 355mm
ID 1180 mm Inside diameter(I.D.)
OD 1540 mm Outside diameter(O.D.)
B 355 mm Width
Cr 11500 kN Radial dynamic load rating
Cor 35500 kN Radial static load rating
Mass 1660 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 NNU49/1180/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 1180 mm bore, 1540 mm outer diameter, and 355 mm width, it supports 11500 kN dynamic load and 35500 kN static load ratings. It features 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.

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.