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Double Row Full Complement Cylindrical Roller Bearings NNCF 4952 CV
Double Row Full Complement Cylindrical Roller Bearings NNCF 4952 CV

Double Row Full Complement Cylindrical Roller Bearings NNCF 4952 CV

The NNCF 4952 CV is a double-row cylindrical roller bearing with a 260mm bore and 360mm outer diameter, built for heavy loads. It handles combined radial and axial forces, with a dynamic radial load capacity of 263250 lbf.

Made from durable 52100 chrome steel, this bearing features a full complement design for maximum roller count, boosting load capacity. Its open seal allows easy lubrication with grease or oil.

With a maximum speed of 1000 RPM, it suits slow to moderate-speed applications. The bearing operates in temperatures from -30°C to 110°C, making it versatile for various environments.

Ideal for industrial machinery like gearboxes or heavy equipment where high radial loads are common. Compliant with RoHS and REACH standards, it’s a reliable choice for replacements, interchangeable with SKF models. Weighing 32kg, it’s built for demanding applications.

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Product Parameters

  • Part Number NNCF 4952 CV
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 260 mm
  • Bore Dia Tolerance -0.035mm to 0
  • Outer Dia 360 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 100 mm
  • Width Tolerance -0.35mm 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 295 mm
  • Raceway Diameter Outer Ring 321 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 263250 lbf
  • Static Radial Load 573750 lbf
  • Max Speed 1000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 32 kg

Features

Performance Features of NNCF 4952 CV Bearing

NNCF 4952 CV Bearing is built with double-row full complement cylindrical rollers, offering high load capacity and stability.
Its 52100 chrome steel construction ensures 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 263,250 lbf, it handles demanding industrial applications effortlessly.

NNCF 4952 CV Bearing operates efficiently within a temperature range of -30° to 110°C.
Its full complement roller design eliminates the need for a cage, maximising load distribution and longevity.

Application

Industrial Uses of NNCF 4952 CV Bearing
NNCF 4952 CV Bearing is commonly used in heavy machinery like rolling mills and large gearboxes, where its double-row design handles high radial loads efficiently. The full complement of rollers ensures maximum load capacity without a cage, making it ideal for slow-speed, high-load scenarios.

In wind turbine applications, NNCF 4952 CV Bearing supports the main shaft, providing stability under varying wind conditions. Its chrome steel construction and grease lubrication make it reliable in harsh outdoor environments.

For mining equipment, NNCF 4952 CV Bearing excels in conveyor systems and crushers, where its robust design withstands heavy impacts. The open seal type allows for easy maintenance, reducing downtime in demanding operations.

What Makes NNCF 4952 CV Bearing a Preferred Choice?
NNCF 4952 CV Bearing is often chosen for paper manufacturing machinery due to its ability to handle combined loads. The large bore size and metric dimensions make it compatible with European industrial standards.

In steel production plants, NNCF 4952 CV Bearing is used in rolling stands, where its high static radial load capacity ensures long service life. The absence of a cage allows for more rollers, enhancing its durability under extreme conditions.

Built for Heavy-Duty Use: NNCF 4952 CV Bearing
NNCF 4952 CV Bearing is a go-to solution for construction equipment like cranes and excavators. Its wide temperature range and oil lubrication option make it adaptable to both hot and cold working environments.

For marine applications, NNCF 4952 CV Bearing is trusted in propeller shafts and deck machinery. The chrome steel material resists corrosion, while the full complement design ensures reliability in continuous operation.

Automotive vs Aerospace: Applications of NNCF 4952 CV Bearing
In automotive testing rigs, NNCF 4952 CV Bearing handles the high loads generated during durability tests. Its precise tolerances and open design facilitate easy inspection and lubrication.

For aerospace ground support equipment, NNCF 4952 CV Bearing is used in aircraft tow tractors and loading systems. The combined load capacity and metric sizing make it versatile for various heavy-duty tasks.

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