NNU4156 Cylindrical Roller Bearing

NNU4156 Bearing Technical Specifications

  • Bore Diameter(d) 280mm
  • Outer Diameter (D) 460mm
  • Width(B) 180mm
  • Dynamic Load Rating (Cr) 2500kN
  • Static Load Rating (Cor) 4700kN
  • Weight 118kg

The NNU4156 NNU Series Double Row Cylindrical Roller Bearing is designed for extremely high radial load precision applications. With dimensions of 280mm bore diameter, 460mm outer diameter, and 180mm width, this standard bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 2500kN and static load rating of 4700kN for ultimate load capacity in extreme conditions. The inner ring without flanges, outer ring without flanges design provides optimal performance for specific application requirements.

Commonly used in: precision machineryindustrial equipmentrolling millsmachine tool spindlesindustrial gearboxes

Main Dimensions

280mm × 460mm × 180mm

ID 280mm Inside diameter(I.D.)
OD 460mm Outside diameter(O.D.)
B 180mm Width
Cr 2500kN Radial dynamic load rating
Cor 4700kN Radial static load rating
Mass 118Kg 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.