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Double Row Full Complement Cylindrical Roller Bearings NNCF 4848 CV
Double Row Full Complement Cylindrical Roller Bearings NNCF 4848 CV

Double Row Full Complement Cylindrical Roller Bearings NNCF 4848 CV

The NNCF 4848 CV is a double-row cylindrical roller bearing with a 240mm bore and 300mm outer diameter, crafted from durable 52100 chrome steel. It handles combined loads up to 121275 lbf and operates smoothly at speeds up to 1000 RPM.

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

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for heavy-duty applications like industrial gearboxes or large machinery where high radial loads are common.

Weighing 9.64kg, 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 NNCF 4848 CV
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 300 mm
  • Outer Dia Tolerance -0.035mm to 0
  • Width 60 mm
  • Width Tolerance -0.30mm 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 261 mm
  • Raceway Diameter Outer Ring 275 mm
  • Width Annular Lubrication Groove Outer Ring 30 mm
  • Diameter Lubrication Hole (Outer Ring) 4 mm
  • Chamfer Dimension r1,2(min.) 2 mm
  • Chamfer Dimension r3,4(min.) 2 mm
  • Permissible Axial Displacement(max.) 4 mm
  • Ring Material 52100 Chrome Steel
  • Roller Material 52100 Chrome Steel
  • Cage Material Full complement (no cage)
  • Dynamic Radial Load 121275 lbf
  • Static Radial Load 290250 lbf
  • Max Speed 1000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 9.64 kg

Features

Performance Features of NNCF 4848 CV Bearing

NNCF 4848 CV Bearing is built with double row full complement cylindrical rollers, offering high load capacity and stability.
Its chrome steel construction ensures durability and resistance to wear in demanding applications.

The bearing handles combined loads efficiently, with a dynamic radial load capacity of 121275 lbf.
Its open design allows for easy lubrication, whether using grease or oil, enhancing performance.

NNCF 4848 CV Bearing operates smoothly within a temperature range of -30° to 110 °C.
With a maximum speed of 1000 rpm, it balances reliability and efficiency in industrial settings.

The full complement roller design eliminates the need for a cage, maximizing load distribution.
This makes NNCF 4848 CV Bearing ideal for heavy-duty machinery and equipment.

Application

Industrial Uses of NNCF 4848 CV Bearing
NNCF 4848 CV Bearing is commonly used in heavy machinery like rolling mills and 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 applications.

In wind turbines, NNCF 4848 CV Bearing supports the main shaft, providing stability under combined loads. Its chrome steel construction and open design allow for easy lubrication, extending service life in harsh environments.

For construction equipment, NNCF 4848 CV Bearing excels in excavators and cranes, where its robust build withstands heavy shocks. The metric sizing ensures compatibility with a wide range of industrial machinery across different regions.

What Makes NNCF 4848 CV Bearing a Preferred Choice?
NNCF 4848 CV Bearing is often chosen for mining equipment due to its ability to handle extreme radial loads. The absence of a cage allows for more rollers, increasing its load-bearing capacity significantly.

In paper manufacturing machinery, NNCF 4848 CV Bearing ensures smooth operation under constant stress. Its grease or oil lubrication options make it adaptable to various operational conditions.

Built for Heavy-Duty Use: NNCF 4848 CV Bearing
NNCF 4848 CV Bearing is a reliable option for steel plants, where high temperatures and heavy loads are common. The chrome steel material provides excellent wear resistance, ensuring long-term performance.

In marine applications, NNCF 4848 CV Bearing is used in propeller shafts, offering durability in corrosive environments. Its open design simplifies maintenance, even in hard-to-reach areas.

Automotive vs Aerospace: Applications of NNCF 4848 CV Bearing
In automotive testing rigs, NNCF 4848 CV Bearing handles high radial loads during durability tests. Its precise tolerances ensure accurate performance under rigorous conditions.

For aerospace ground equipment, NNCF 4848 CV Bearing supports heavy components like landing gear testers. The wide temperature range makes it suitable for both indoor and outdoor use.

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