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NN 3024 SMSP Double Row Cylindrical Roller Bearing | 120x180x46mm | High Precision Spindle Applications

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Product Category: Cylindrical Roller Bearing

Product Details

Brand: FAG
NN 3024 SMSP Double Row Cylindrical Roller Bearing | 120x180x46mm | High Precision Spindle Applications

The NN 3024 SMSP is a premium double row cylindrical roller bearing engineered specifically for demanding, high-speed applications such as machine tool spindles, gearboxes, and precision rolling mills. Its robust 'NN' design delivers exceptional radial rigidity and high load-carrying capacity, critical for maintaining positional accuracy under heavy processing loads. The bearing features P5 (or higher SP) running accuracy tolerances, ensuring minimal runout and vibration even at maximum operating speeds. Furthermore, the separable design allows for easier mounting and dismounting of the inner and outer rings, simplifying maintenance procedures and reducing downtime. Built with a solid, window-type machined brass cage (SM), the NN 3024 SMSP is optimized for superior thermal stability and higher limiting speeds compared to standard polyamide cages. This combination of advanced material science and stringent manufacturing tolerances translates directly into improved throughput and extended operational life for capital equipment. Choosing this FAG-level precision bearing ensures consistency, reduced lifecycle costs, and the ultimate reliability required for continuous industrial operation where precision is non-negotiable.

Key Features

  • SP High Precision Class tolerance for minimal vibration and improved finish quality.
  • Solid Machined Brass Cage (SM) provides enhanced stability and thermal resistance for high-speed operation.
  • Double Row design delivers extremely high radial rigidity and load capacity.
  • Separable components (Inner Ring, Outer Ring, Cage Assembly) simplify installation and inspection.
  • Optimized internal geometry for reduced friction and extended service life in demanding industrial environments.

Technical Specifications

d120 mm (Bore Diameter)
D180 mm (Outer Diameter)
B46 mm (Width)
Mass4.3 kg
C_dyn260 kN (Basic Dynamic Load Rating)
C0_stat345 kN (Basic Static Load Rating)
n_ref_grease5,300 rpm
n_lim_oil7,100 rpm
TypeDouble Row Cylindrical Roller Bearing (NN)
Precision_ClassSP (Special Precision - Higher than P5)
Cage_MaterialSM (Solid Machined Brass, inner ring centered)