+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Double Row Full Complement Cylindrical Roller Bearings NNC 4948 CV

Double Row Full Complement Cylindrical Roller Bearings NNC 4948 CV

The NNC 4948 CV is a double-row cylindrical roller bearing with a 240mm bore and 320mm outer diameter, built for heavy combined loads. Its full-complement design, made from chrome steel, offers high radial load capacity up to 175725 lbf.

This bearing operates smoothly at speeds up to 1000 RPM and works in temperatures from -30°C to 110°C. The open design allows easy lubrication with grease or oil, suitable for industrial settings.

With no cage, it maximises roller count for enhanced load handling. The double-row construction provides stability under demanding conditions. Ideal for heavy machinery like presses or large gearboxes.

Compliant with RoHS and REACH standards, it’s a reliable choice for replacements, interchangeable with SKF models. Its robust build ensures durability in tough environments.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number NNC 4948 CV
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 240 mm
  • Bore Dia Tolerance -0.03mm to 0
  • Outer Dia 320 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 80 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 271 mm
  • Raceway Diameter Outer Ring 291 mm
  • Width Annular Lubrication Groove Outer Ring 8 mm
  • Diameter Lubrication Hole (Outer Ring) 4 mm
  • Chamfer Dimension r1,2(min.) 2.1 mm
  • Ring Material 52100 Chrome Steel
  • Roller Material 52100 Chrome Steel
  • Cage Material Full complement (no cage)
  • Dynamic Radial Load 175725 lbf
  • Static Radial Load 396000 lbf
  • Max Speed 1000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
Double Row Full Complement Cylindrical Roller Bearings NNC 4948 CV dimension drawing
Download DWG Download PDF

Features

Performance Features of NNC 4948 CV Bearing

NNC 4948 CV Bearing is constructed with double-row full complement cylindrical rollers, offering high load capacity and durability.
Its chrome steel rings and rollers provide excellent resistance to wear, ensuring long service life.

The open design allows for easy lubrication with grease or oil, maintaining smooth operation.
With a dynamic radial load capacity of 175725 lbf, it handles heavy loads efficiently.

NNC 4948 CV Bearing operates in temperatures from -30° to 110°C, suitable for various industrial applications.
Its precision engineering ensures reliable performance even at speeds up to 1000 rpm.

Application

Industrial Uses of NNC 4948 CV Bearing
NNC 4948 CV Bearing is commonly used in heavy machinery like industrial gearboxes and large conveyor systems, where its double-row design handles both radial and axial loads efficiently. The full complement of rollers ensures higher load capacity, making it suitable for demanding environments.

In automotive applications, NNC 4948 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 and robotics, NNC 4948 CV Bearing’s open design allows for easy lubrication, ensuring smooth operation in robotic arms and automated assembly lines. The absence of a cage reduces friction, enhancing performance in precision tasks.

Key Fields for NNC 4948 CV Bearing
NNC 4948 CV Bearing is ideal for wind turbines, where its robust construction withstands variable loads and harsh weather conditions. The grease or oil lubrication options make maintenance straightforward in remote installations.

In construction equipment, NNC 4948 CV Bearing excels in cranes and excavators, thanks to its high static radial load capacity. The metric sizing ensures compatibility with a wide range of machinery from different manufacturers.

Q&A

SEND INQUIRY