NNU49/850/W33X Cylindrical Roller Bearing

NNU49/850/W33X Bearing Technical Specifications

  • Bore Diameter(d) 850mm
  • Outer Diameter (D) 1120mm
  • Width(B) 272mm
  • Dynamic Load Rating (Cr) 5650kN
  • Static Load Rating (Cor) 17500kN
  • Weight 715kg

The NNU49/850/W33X NNU Series Double Row Cylindrical Roller Bearing is designed for extremely high radial load precision applications. With dimensions of 850mm bore diameter, 1120mm outer diameter, and 272mm width, this extra heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 5650kN and static load rating of 17500kN 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 lubrication groove and holes for enhanced operational reliability.

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

Main Dimensions

850mm × 1120mm × 272mm

ID 850mm Inside diameter(I.D.)
OD 1120mm Outside diameter(O.D.)
B 272mm Width
Cr 5650kN Radial dynamic load rating
Cor 17500kN Radial static load rating
Mass 715Kg 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.