NNP4088X3/W33 Cylindrical Roller Bearing

NNP4088X3/W33 Bearing Technical Specifications

  • Bore Diameter(d) 440mm
  • Outer Diameter (D) 640mm
  • Width(B) 230mm
  • Dynamic Load Rating (Cr) 4790kN
  • Static Load Rating (Cor) 10400kN
  • Weight 256kg

The NNP4088X3/W33 NN Series Double Row Cylindrical Roller Bearing is designed for very high radial load precision applications. With dimensions of 440mm bore diameter, 640mm outer diameter, and 230mm width, this heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 4790kN and static load rating of 10400kN 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: machine tool spindlesprecision equipmentindustrial gearboxeslarge machine toolsapplications requiring regular lubricationhigh precision machinery

Main Dimensions

440mm × 640mm × 230mm

ID 440mm Inside diameter(I.D.)
OD 640mm Outside diameter(O.D.)
B 230mm Width
Cr 4790kN Radial dynamic load rating
Cor 10400kN Radial static load rating
Mass 256Kg 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.