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Single Row Cylindrical Roller Bearings Without Inner Ring RNU 226 ECM
Single Row Cylindrical Roller Bearings Without Inner Ring RNU 226 ECM

Single Row Cylindrical Roller Bearings Without Inner Ring RNU 226 ECM

The RNU 226 ECM is a single-row cylindrical roller bearing without an inner ring, featuring a 153.5mm diameter under rollers and a 230mm outer diameter. Made from durable chrome steel, it handles combined loads with ease.
Its brass cage ensures smooth operation, while the open design allows for simple lubrication with grease or oil. The bearing can withstand speeds up to 4000 RPM and temperatures from -30°C to 110°C.
With a dynamic radial load capacity of 64125 lbf, it’s built for heavy-duty applications. The absence of an inner ring makes it suitable for custom shaft designs.
Ideal for industrial machinery or gear systems, this bearing is interchangeable with SKF models. It complies with RoHS and REACH standards, weighing 5.86kg for its robust size.

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Product Parameters

  • Part Number RNU 226 ECM
  • Brand TFL
  • Interchangeable SKF
  • Diameter Under Rollers 153.5 mm
  • Diameter Under Rollers Tolerance -0.025mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.03mm to 0
  • Width 40 mm
  • Width Tolerance -0.12mm to 0
  • Shoulder Dia Outer Ring 200.3 mm
  • Corner Radius(r1,2)(min.) 3 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 Brass cage, roller centred
  • Dynamic Radial Load 64125 lbf
  • Static Radial Load 68625 lbf
  • Max Speed 4000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 5.86 kg
  • Weight 5.86 kg

Features

Performance Features of RNU 226 ECM Bearing
RNU 226 ECM Bearing is crafted with chrome steel rings and rollers, offering robust resistance to combined loads.
Its dynamic radial load capacity reaches 64125 lbf, ensuring reliable performance in heavy-duty applications.
The brass cage keeps the rollers centred, reducing friction and enhancing longevity.
With a maximum speed of 4000 rpm, it balances efficiency and durability.
RNU 226 ECM Bearing operates smoothly in temperatures from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, simplifying maintenance.
The precise tolerances of RNU 226 ECM Bearing ensure consistent performance.
Its single-row cylindrical design is ideal for applications requiring high radial load capacity.

Application

Industrial Uses of RNU 226 ECM Bearing
RNU 226 ECM Bearing is commonly used in heavy machinery like industrial gearboxes and large pumps, where its cylindrical roller design handles combined loads efficiently. The open seal type simplifies lubrication, making it suitable for high-speed operations up to 4000 rpm.
In automotive applications, RNU 226 ECM Bearing supports components such as drivetrains and wheel hubs, thanks to its robust chrome steel construction. Its metric sizing ensures compatibility with a variety of vehicle designs, from trucks to agricultural equipment.
For automation systems, RNU 226 ECM Bearing’s brass cage design reduces friction in robotic arms and conveyor belts. The precise tolerances and durability make it a reliable choice for continuous operation in manufacturing plants.
Where Is RNU 226 ECM Bearing Used?
You’ll find RNU 226 ECM Bearing in wind turbines, where its ability to handle radial and axial loads is crucial for stable rotor performance. The grease or oil lubrication options adapt well to outdoor conditions.
In construction equipment, RNU 226 ECM Bearing excels in cranes and excavators due to its high static radial load capacity. The chrome steel rollers ensure longevity even under intense stress and variable temperatures.
Built for Heavy-Duty Use: RNU 226 ECM Bearing
RNU 226 ECM Bearing is ideal for steel mills and mining machinery, where its brass cage and chrome steel components resist wear in abrasive environments. The wide temperature range (-30° to 110°C) adds versatility.
For marine applications, RNU 226 ECM Bearing’s corrosion-resistant materials perform well in ship propulsion systems. Its single-row design simplifies installation while maintaining high load capacity.
Automotive vs Aerospace: Applications of RNU 226 ECM Bearing
In automotive settings, RNU 226 ECM Bearing is trusted for transmissions and differentials, balancing speed and load demands. The metric dimensions align with global manufacturing standards.
For aerospace, RNU 226 ECM Bearing’s precision tolerances suit auxiliary power units, though its weight may limit use in primary flight systems. The brass cage minimizes vibration for smoother operation.

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