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Single Row Cylindrical Roller Bearings Without Inner Ring RNU 211 ECJ
Single Row Cylindrical Roller Bearings Without Inner Ring RNU 211 ECJ

Single Row Cylindrical Roller Bearings Without Inner Ring RNU 211 ECJ

The RNU 211 ECJ is a single-row cylindrical roller bearing without an inner ring, featuring a 66mm diameter under rollers and a 100mm outer diameter. Made from robust chrome steel, it handles combined loads up to 21712 lbf and reaches speeds of 8000 RPM.
Its open design and stamped steel cage ensure smooth operation, while the roller-centred construction enhances stability. The bearing performs reliably in temperatures ranging from -30°C to 110°C.
This model is interchangeable with SKF bearings, offering a practical replacement option. It’s well-suited for machinery requiring high radial load capacity, such as pumps or conveyors.
Weighing 0.5kg, it’s a sturdy yet manageable component. Compliant with RoHS and REACH standards, it’s safe for various industrial applications.

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Product Parameters

  • Part Number RNU 211 ECJ
  • Brand TFL
  • Interchangeable SKF
  • Diameter Under Rollers 66 mm
  • Diameter Under Rollers Tolerance -0.15mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.015mm to 0
  • Width 21 mm
  • Width Tolerance -0.12mm to 0
  • Shoulder Dia Outer Ring 85.68 mm
  • Corner Radius(r1,2)(min.) 1.5 mm
  • System of Measurement Metric
  • Roller Bearing Type Cylindrical
  • For Load Direction Combined
  • Construction Single Row
  • Inner Ring Type Without
  • Seal Type Open
  • Ring Material Chrome Steel
  • Roller Material Chrome Steel
  • Cage Material Stamped steel cage, roller centred
  • Dynamic Radial Load 21712 lbf
  • Static Radial Load 21375 lbf
  • Max Speed 8000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.5 kg
  • Weight 0.5 kg

Features

Performance Features of RNU 211 ECJ Bearing
RNU 211 ECJ Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 21712 lbf, ensuring reliable performance in demanding conditions.
The stamped steel cage keeps the rollers centred, reducing friction and extending service life.
With a maximum speed of 8000 rpm, it balances durability and efficiency.
RNU 211 ECJ Bearing works well with grease or oil lubrication, adapting to various operational needs.
Its temperature range from -30° to 110°C makes it suitable for diverse environments.
The open design simplifies maintenance, while the chrome steel construction resists wear.
This bearing is a practical choice for applications requiring high load capacity and speed.

Application

Industrial Uses of RNU 211 ECJ Bearing
RNU 211 ECJ Bearing is commonly used in heavy machinery like gearboxes and pumps, where its cylindrical roller design handles combined loads efficiently. The open seal type allows for easy lubrication, extending service life in demanding conditions.
What Makes RNU 211 ECJ Bearing a Preferred Choice?
In automotive applications, RNU 211 ECJ Bearing fits well in wheel hubs and transmissions, thanks to its high dynamic radial load capacity. The chrome steel construction ensures durability even under constant stress.
Built for Heavy-Duty Use: RNU 211 ECJ Bearing
For automation systems, RNU 211 ECJ Bearing supports robotic arms and conveyor belts, providing smooth motion with minimal friction. Its stamped steel cage keeps rollers centred for consistent performance.
Medical vs Industrial: Where RNU 211 ECJ Bearing Excels
While RNU 211 ECJ Bearing isn’t typically used in medical devices, it shines in industrial settings like printing presses and compressors. The metric sizing makes it versatile for various equipment designs.

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