NU234Q1 Cylindrical Roller Bearing

NU234Q1 Bearing Technical Specifications

  • Bore Diameter(d) 170mm
  • Outer Diameter (D) 310mm
  • Width(B) 52mm
  • Dynamic Load Rating (Cr) 550kN
  • Static Load Rating (Cor) 780kN
  • Weight 18.1kg

The NU234Q1 NU Series Cylindrical Roller Bearing is designed for high radial load applications with free axial displacement. With dimensions of 170mm bore diameter, 310mm outer diameter, and 52mm width, this standard bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 550kN and static load rating of 780kN for high load capacity in demanding applications. The inner ring without flanges, outer ring with two flanges design provides optimal performance for specific application requirements. Featuring special quality for enhanced operational reliability.

Commonly used in: electric motorsindustrial gearboxespumpsmachine tool spindles

Main Dimensions

170mm × 310mm × 52mm

ID 170mm Inside diameter(I.D.)
OD 310mm Outside diameter(O.D.)
B 52mm Width
Cr 550kN Radial dynamic load rating
Cor 780kN Radial static load rating
Mass 18.1Kg 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.