NFP6/666X4Q1/C9 Cylindrical Roller Bearing

NFP6/666X4Q1/C9 Bearing Technical Specifications

  • Bore Diameter(d) 666.75mm
  • Outer Diameter (D) 838.2mm
  • Width(B) 114.3mm
  • Dynamic Load Rating (Cr) 2870kN
  • Static Load Rating (Cor) 6850kN
  • Weight 160kg

The NFP6/666X4Q1/C9 NF Series Cylindrical Roller Bearing is designed for high radial load applications in compact arrangements. With dimensions of 666.75mm bore diameter, 838.2mm outer diameter, and 114.3mm width, this extra heavy-duty bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 2870kN and static load rating of 6850kN 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 special clearance for enhanced operational reliability.

Commonly used in: compact arrangementscombined radial and axial loadsrolling millslarge industrial machinery

Main Dimensions

666.75mm × 838.2mm × 114.3mm

ID 666.75mm Inside diameter(I.D.)
OD 838.2mm Outside diameter(O.D.)
B 114.3mm Width
Cr 2870kN Radial dynamic load rating
Cor 6850kN Radial static load rating
Mass 160Kg 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.