NN3040K/C9 Cylindrical Roller Bearing

NN3040K/C9 Bearing Technical Specifications

  • Bore Diameter(d) 200mm
  • Outer Diameter (D) 310mm
  • Width(B) 82mm
  • Dynamic Load Rating (Cr) 675kN
  • Static Load Rating (Cor) 1340kN
  • Weight 22kg

The NN3040K/C9 NN Series Double Row Cylindrical Roller Bearing is designed for very high radial load precision applications. With dimensions of 200mm bore diameter, 310mm outer diameter, and 82mm width, this standard bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 675kN and static load rating of 1340kN for high load capacity in demanding applications. The inner ring without flanges, outer ring without flanges design provides optimal performance for specific application requirements. Featuring special clearance for enhanced operational reliability.

Commonly used in: machine tool spindlesprecision equipmentindustrial gearboxesapplications requiring tapered bore mounting

Main Dimensions

200mm × 310mm × 82mm

ID 200mm Inside diameter(I.D.)
OD 310mm Outside diameter(O.D.)
B 82mm Width
Cr 675kN Radial dynamic load rating
Cor 1340kN Radial static load rating
Mass 22Kg 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.