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Double Row Full Complement Cylindrical Roller Bearings NNCF 4934 CV
Double Row Full Complement Cylindrical Roller Bearings NNCF 4934 CV

Double Row Full Complement Cylindrical Roller Bearings NNCF 4934 CV

The NNCF 4934 CV is a double-row cylindrical roller bearing with a 170mm bore and 230mm outer diameter, built for combined loads. Made from durable 52100 chrome steel, it offers high radial load capacity up to 102825 lbf.

Its full complement design (no cage) maximises roller count for enhanced load distribution, while the open seal allows easy lubrication with grease or oil. The bearing handles speeds up to 2000 RPM and operates in temperatures from -30°C to 110°C.

With 4mm permissible axial displacement, it accommodates slight misalignments in demanding setups. The inner ring design includes a 194mm shoulder diameter for secure fitting.

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. Interchangeable with SKF equivalents for easy replacement.

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Product Parameters

  • Part Number NNCF 4934 CV
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.025mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.030mm to 0
  • Width 60 mm
  • Width Tolerance -0.25mm 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 194 mm
  • Raceway Diameter Outer Ring 208.5 mm
  • Width Annular Lubrication Groove Outer Ring 7 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 102825 lbf
  • Static Radial Load 213750 lbf
  • Max Speed 2000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant

Features

Performance Features of NNCF 4934 CV Bearing

NNCF 4934 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 102825 lbf.
Its open design allows for easy lubrication with grease or oil, enhancing performance.

NNCF 4934 CV Bearing operates smoothly within a temperature range of -30° to 110°C.
The absence of a cage maximises roller count, improving load distribution and longevity.

With a maximum speed of 2000 rpm, it balances performance and reliability.
Its precise dimensions and tolerances ensure a perfect fit in various industrial applications.

Application

Industrial Uses of NNCF 4934 CV Bearing
NNCF 4934 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 without the need for a cage.

Where Is NNCF 4934 CV Bearing Used?
You’ll often find NNCF 4934 CV Bearing in wind turbines and mining equipment, where its robust construction withstands harsh conditions. The open seal design allows for easy lubrication, extending its service life in demanding environments.

Built for Heavy-Duty Use: NNCF 4934 CV Bearing
NNCF 4934 CV Bearing excels in applications like steel mills and paper processing machines, where combined loads are common. Its chrome steel rollers and rings provide durability under continuous operation.

Automotive vs Aerospace: Applications of NNCF 4934 CV Bearing
In automotive settings, NNCF 4934 CV Bearing supports large drivetrain components, while in aerospace, it’s used in auxiliary systems requiring high precision. The metric sizing ensures compatibility across industries.

Perfect Fit for Automation: NNCF 4934 CV Bearing
NNCF 4934 CV Bearing is ideal for robotic arms and automated assembly lines, where smooth rotation under load is critical. The absence of a cage reduces friction, enhancing performance in high-speed scenarios.

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