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Double Row Full Complement Cylindrical Roller Bearings NNCF 4864 CV
Double Row Full Complement Cylindrical Roller Bearings NNCF 4864 CV

Double Row Full Complement Cylindrical Roller Bearings NNCF 4864 CV

The NNCF 4864 CV is a double-row cylindrical roller bearing with a 320mm bore and 400mm outer diameter, built for combined loads. Made from tough chrome steel, it handles radial loads up to 201825 lbf and spins smoothly at 1000 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 in temperatures from -30°C to 110°C.

With a 6mm permissible axial displacement, it accommodates slight misalignments. The inner ring design ensures stable mounting, and chamfered edges simplify installation.

Ideal for heavy machinery like gearboxes or industrial presses where high radial loads are common. Compliant with RoHS and REACH standards for safe industrial use.

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Product Parameters

  • Part Number NNCF 4864 CV
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 320 mm
  • Bore Dia Tolerance -0.04mm to 0
  • Outer Dia 400 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 80 mm
  • Width Tolerance -0.40mm 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 352 mm
  • Raceway Diameter Outer Ring 372 mm
  • Width Annular Lubrication Groove Outer Ring 9.4 mm
  • Diameter Lubrication Hole (Outer Ring) 5 mm
  • Chamfer Dimension r1,2(min.) 2.1 mm
  • Chamfer Dimension r3,4(min.) 2.1 mm
  • Permissible Axial Displacement(max.) 6 mm
  • Ring Material 52100 Chrome Steel
  • Roller Material 52100 Chrome Steel
  • Cage Material Full complement (no cage)
  • Dynamic Radial Load 201825 lbf
  • Static Radial Load 513000 lbf
  • Max Speed 1000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of NNCF 4864 CV Bearing

NNCF 4864 CV Bearing is constructed with double row full complement cylindrical rollers, providing high load capacity and stability.
Its chrome steel rings and rollers ensure durability and resistance to wear under heavy radial loads.

The open design allows for easy lubrication with grease or oil, maintaining smooth operation.
With a dynamic radial load capacity of 201825 lbf, it handles demanding applications effectively.

NNCF 4864 CV Bearing operates within a temperature range of -30° to 110 °C, suitable for various environments.
Its full complement design eliminates the need for a cage, maximising roller count and load distribution.

The permissible axial displacement of 6 mm accommodates slight misalignments during operation.
This bearing is ideal for applications requiring high radial load capacity and reliability.

Application

Industrial Uses of NNCF 4864 CV Bearing
NNCF 4864 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, making it ideal for demanding environments.

In automotive applications, NNCF 4864 CV Bearing supports components such as wheel hubs and drivetrain systems, providing stability under combined loads. Its chrome steel construction offers durability, even in high-speed scenarios.

For automation equipment, NNCF 4864 CV Bearing’s open design allows easy lubrication, ensuring smooth operation in robotic arms and assembly lines. The absence of a cage reduces friction, enhancing performance in precision tasks.

Where Is NNCF 4864 CV Bearing Used?
NNCF 4864 CV Bearing finds its place in wind turbines, where its ability to handle heavy radial and axial loads is crucial. The grease or oil lubrication options make it adaptable to various operating conditions.

In construction machinery, NNCF 4864 CV Bearing’s robust design withstands the rigours of heavy loads and harsh environments. Its metric sizing ensures compatibility with a wide range of equipment.

Built for Heavy-Duty Use: NNCF 4864 CV Bearing
NNCF 4864 CV Bearing excels in steel mills, where its high static radial load capacity supports rolling mills and other heavy-duty applications. The temperature range of -30° to 110°C ensures reliability in extreme conditions.

For marine equipment, NNCF 4864 CV Bearing’s resistance to wear and corrosion makes it a reliable choice for propulsion systems. The full complement design minimises maintenance needs in hard-to-access areas.

Automotive vs Aerospace: Applications of NNCF 4864 CV Bearing
In automotive settings, NNCF 4864 CV Bearing is often found in large trucks and buses, where its load capacity and durability are essential. The combined load handling makes it versatile for various drivetrain components.

In aerospace, NNCF 4864 CV Bearing’s precision and reliability are valued in landing gear systems. The chrome steel material ensures long service life, even under frequent stress cycles.

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