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Double Row Full Complement Cylindrical Roller Bearings NNC 4860 CV
Double Row Full Complement Cylindrical Roller Bearings NNC 4860 CV

Double Row Full Complement Cylindrical Roller Bearings NNC 4860 CV

The NNC 4860 CV is a double-row full complement cylindrical roller bearing, measuring 300mm in bore diameter and 380mm in outer diameter, with a width of 80mm. Made from durable 52100 chrome steel, it handles combined loads with ease.

Its full complement design (no cage) allows for higher load capacity, supporting dynamic radial loads up to 193050 lbf. It operates smoothly at speeds up to 1000 RPM and works in temperatures from -30°C to 110°C.

The open seal type simplifies maintenance, and it can be lubricated with grease or oil. 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. Compliant with RoHS and REACH standards, it weighs 21.5kg for its robust size.

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Product Parameters

  • Part Number NNC 4860 CV
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 300 mm
  • Bore Dia Tolerance -0.035mm to 0
  • Outer Dia 380 mm
  • Outer Dia Tolerance -0.04mm to 0
  • Width 80 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 330 mm
  • Raceway Diameter Outer Ring 349 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
  • Ring Material 52100 Chrome Steel
  • Roller Material 52100 Chrome Steel
  • Cage Material Full complement (no cage)
  • Dynamic Radial Load 193050 lbf
  • Static Radial Load 477000 lbf
  • Max Speed 1000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 21.5 kg

Features

How Does NNC 4860 CV Bearing Handle Combined Loads?

NNC 4860 CV Bearing is built with double-row full complement cylindrical rollers, offering high load capacity for combined radial and axial forces.
Its dynamic radial load rating of 193050 lbf ensures reliable performance in heavy-duty applications.
The chrome steel construction provides durability and resistance to wear, even under demanding conditions.
With a maximum speed of 1000 rpm, it balances strength and efficiency for industrial use.

Application

Industrial Uses of NNC 4860 CV Bearing
NNC 4860 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 turbine systems, NNC 4860 CV Bearing provides reliable support for the main shaft, thanks to its robust chrome steel construction. Its open design allows for easy lubrication, extending service life in harsh outdoor conditions.

For mining equipment, NNC 4860 CV Bearing’s large bore and high static load capacity make it suitable for crushers and conveyors. The metric dimensions ensure compatibility with a wide range of industrial machinery across different regions.

What Makes NNC 4860 CV Bearing a Preferred Choice?
NNC 4860 CV Bearing stands out in paper manufacturing machinery due to its ability to withstand combined loads and axial displacement. The grease or oil lubrication options adapt to various operational environments, ensuring smooth performance.

In construction equipment like cranes, NNC 4860 CV Bearing’s durability and high dynamic radial load rating reduce downtime. Its simple open design simplifies maintenance, even in dusty or wet conditions.

Built for Heavy-Duty Use: NNC 4860 CV Bearing
NNC 4860 CV Bearing excels in steel production lines, where its full complement rollers handle extreme loads without faltering. The chrome steel material resists wear, even under continuous operation at high temperatures.

For marine applications, NNC 4860 CV Bearing’s corrosion-resistant properties and high static load capacity make it a reliable choice for propeller shafts. Its wide temperature range ensures performance in both cold and warm waters.

Automotive vs Aerospace: Applications of NNC 4860 CV Bearing
In automotive testing rigs, NNC 4860 CV Bearing supports heavy rotating components, thanks to its high radial load capacity. The precise tolerances ensure smooth operation during prolonged testing sessions.

For aerospace ground equipment, NNC 4860 CV Bearing’s robust design handles the demands of aircraft maintenance platforms. Its compatibility with both grease and oil lubrication adds versatility in different operational scenarios.

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