NN3044 Cylindrical Roller Bearing

NN3044 Bearing Technical Specifications

  • Bore Diameter(d) 220mm
  • Outer Diameter (D) 340mm
  • Width(B) 90mm
  • Dynamic Load Rating (Cr) 875kN
  • Static Load Rating (Cor) 1610kN
  • Weight 31kg

The NN3044 NN Series Double Row Cylindrical Roller Bearing is designed for very high radial load precision applications. With dimensions of 220mm bore diameter, 340mm outer diameter, and 90mm width, this standard bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 875kN and static load rating of 1610kN for high load capacity in demanding applications. The inner ring without flanges, outer ring without flanges design provides optimal performance for specific application requirements.

Commonly used in: machine tool spindlesprecision equipmentindustrial gearboxes

Main Dimensions

220mm × 340mm × 90mm

ID 220mm Inside diameter(I.D.)
OD 340mm Outside diameter(O.D.)
B 90mm Width
Cr 875kN Radial dynamic load rating
Cor 1610kN Radial static load rating
Mass 31Kg 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.