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Double Row Cylindrical Roller Bearings 314391

Double Row Cylindrical Roller Bearings 314391

The 314391 is a double-row cylindrical roller bearing with a large 420mm bore and 620mm outer diameter, designed for heavy-duty applications. It handles combined loads with a dynamic radial capacity of 780750 lbf and operates smoothly at speeds up to 1000 RPM.

Made from robust materials, it features a 200mm width and chamfered edges for easy installation. The bearing works well in temperatures ranging from -30°C to 110°C, making it suitable for various industrial environments.

Its design allows for axial displacement up to 4.4mm, providing flexibility in demanding setups. Compatible with SKF models, it’s a reliable choice for replacements in machinery like presses or large gearboxes.

Lubrication options include grease or oil, ensuring easy maintenance. Compliant with RoHS and REACH standards, it’s both durable and safe for industrial use.

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Product Parameters

  • Part Number 314391
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 420 mm
  • Outer Dia 620 mm
  • Width 200mm
  • Chamfer Dimension Outer Ring(r1,2)(min.) 4 mm
  • Chamfer Dimension Inner Ring(r3,4)(min.) 4 mm
  • Permissible Axial Displacement(max.) 4.4 mm
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • For Load Direction Combined
  • Dynamic Radial Load 780750 lbf
  • Static Radial Load 1755000 lbf
  • Max Speed 1000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
Double Row Cylindrical Roller Bearings 314391 dimension drawing
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Features

Performance Features of 314391 Bearing

314391 Bearing is built with a double-row cylindrical roller design, offering excellent load distribution and stability.
Its dynamic radial load capacity of 780750 lbf ensures reliable performance in heavy-duty applications.

The bearing handles combined loads efficiently, making it suitable for various industrial uses.
With a maximum speed of 1000 rpm, it balances durability and operational efficiency.

314391 Bearing operates in temperatures from -30° to 110°C, adapting to diverse working conditions.
Its grease or oil lubrication options provide flexibility for different maintenance needs.

Application

Industrial Uses of 314391 Bearing
314391 Bearing is commonly used in heavy machinery like rolling mills and large gearboxes, where its double-row design handles both radial and axial loads efficiently. The generous load capacity makes it suitable for high-demand industrial settings.

Where Is 314391 Bearing Used?
You’ll often spot 314391 Bearing in wind turbines, where its robust construction withstands variable loads and harsh weather conditions. The wide temperature range ensures reliable performance in both hot and cold environments.

Built for Heavy-Duty Use: 314391 Bearing
This bearing excels in mining equipment, supporting massive loads in crushers and conveyors. Its cylindrical rollers distribute stress evenly, reducing wear over time.

Automotive vs Aerospace: Applications of 314391 Bearing
In automotive applications, 314391 Bearing is found in large truck transmissions, while aerospace uses include landing gear systems. The metric sizing ensures compatibility across global designs.

Perfect Fit for Automation: 314391 Bearing
For automated production lines, 314391 Bearing offers smooth operation in robotic arms and assembly systems. The grease or oil lubrication options provide flexibility for different maintenance schedules.

Q&A

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