NJ2944M Cylindrical Roller Bearing

NJ2944M Bearing Technical Specifications

  • Bore Diameter(d) 220mm
  • Outer Diameter (D) 300mm
  • Width(B) 48mm
  • Dynamic Load Rating (Cr) 407kN
  • Static Load Rating (Cor) 750kN
  • Weight 10.8kg

The NJ2944M NJ Series Cylindrical Roller Bearing is designed for high radial load applications with unidirectional axial location. With dimensions of 220mm bore diameter, 300mm outer diameter, and 48mm width, this standard bearing delivers outstanding performance in demanding industrial environments. It features a dynamic load rating of 407kN and static load rating of 750kN for reliable performance in industrial applications. The inner ring with one flange, outer ring with two flanges design provides optimal performance for specific application requirements. Featuring machined brass cage for enhanced operational reliability.

Commonly used in: locating bearingselectric motorsmarine equipmentmachine tool spindlesindustrial gearboxes

Main Dimensions

220mm × 300mm × 48mm

ID 220mm Inside diameter(I.D.)
OD 300mm Outside diameter(O.D.)
B 48mm Width
Cr 407kN Radial dynamic load rating
Cor 750kN Radial static load rating
Mass 10.8Kg 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.