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Double Row Full Complement Cylindrical Roller Bearings NNC 4924 CV

Double Row Full Complement Cylindrical Roller Bearings NNC 4924 CV

The NNC 4924 CV is a double-row cylindrical roller bearing with a 120mm bore and 165mm outer diameter, built from tough chrome steel. It supports heavy radial loads up to 54450 lbf and handles speeds up to 2000 RPM.

Its full-complement design (no cage) maximises roller count for higher load capacity, while the open seal allows easy lubrication with grease or oil. The bearing operates smoothly in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a reliable alternative for replacements. Ideal for industrial gearboxes or heavy machinery where high radial loads are common.

Weighing 2.95kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number NNC 4924 CV
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.02mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.025mm to 0
  • Width 45 mm
  • Width Tolerance -0.20mm to 0
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • For Load Direction Combined
  • Construction Double Row Full Complement
  • Inner Ring Type With Inner Ring
  • Seal Type Open
  • Shoulder Diameter Inner Ring 139 mm
  • Raceway Diameter Outer Ring 148 mm
  • Width Annular Lubrication Groove Outer Ring 6 mm
  • Diameter Lubrication Hole (Outer Ring) 3.5 mm
  • Chamfer Dimension r1,2(min.) 1.1 mm
  • Ring Material 52100 Chrome Steel
  • Roller Material 52100 Chrome Steel
  • Cage Material Full complement (no cage)
  • Dynamic Radial Load 54450 lbf
  • Static Radial Load 108000 lbf
  • Max Speed 2000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 2.95 kg
Double Row Full Complement Cylindrical Roller Bearings NNC 4924 CV dimension drawing
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Features

Performance Features of NNC 4924 CV Bearing

NNC 4924 CV Bearing is built with double-row full complement cylindrical rollers, offering high load capacity and durability.
Its chrome steel construction ensures resistance to wear, making it suitable for heavy-duty applications.

The open design allows for easy lubrication with grease or oil, maintaining smooth operation.
With a dynamic radial load capacity of 54,450 lbf, it handles combined loads effectively.

NNC 4924 CV Bearing operates within a temperature range of -30° to 110°C, adapting to various working conditions.
Its full complement design maximises roller count, enhancing load distribution and longevity.

The precise tolerances on bore and outer diameters ensure a secure fit in demanding setups.
Weighing just 2.95 kg, it balances strength with manageable installation.

Application

Industrial Uses of NNC 4924 CV Bearing
NNC 4924 CV Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its double-row design handles high radial loads efficiently. The full complement of rollers ensures maximum load capacity without a cage, making it suitable for slow to moderate-speed applications.

Where Is NNC 4924 CV Bearing Used?
In automotive manufacturing, NNC 4924 CV Bearing supports components such as wheel hubs and drivetrains, thanks to its robust construction and combined load capability. Its chrome steel material offers durability in demanding conditions, ensuring long service life.

Built for Heavy-Duty Use: NNC 4924 CV Bearing
This bearing excels in construction equipment like cranes and excavators, where its high static radial load capacity is essential. The open seal type allows for easy lubrication, maintaining performance in dusty or harsh environments.

Automotive vs Aerospace: Applications of NNC 4924 CV Bearing
While NNC 4924 CV Bearing is popular in automotive drivetrains, its precision also makes it suitable for aerospace applications like landing gear systems. The metric sizing ensures compatibility with international standards, offering versatility across industries.

Key Fields for NNC 4924 CV Bearing
In wind turbines, NNC 4924 CV Bearing’s ability to handle combined loads and high radial forces makes it a reliable choice for rotor shafts. Its grease or oil lubrication options adapt to various operational conditions, ensuring smooth performance.

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