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Single Row Cylindrical Roller Bearings Without Inner Ring RNU 305

Single Row Cylindrical Roller Bearings Without Inner Ring RNU 305

The RNU 305 is a single-row cylindrical roller bearing without an inner ring, featuring a 35mm diameter under rollers and a 62mm outer diameter. Made from chrome steel, it handles combined loads with a dynamic radial load capacity of 6435 lbf.
Its brass cage keeps the rollers centred, ensuring smooth operation at speeds up to 15000 RPM. The open design allows for easy lubrication with grease or oil, suitable for temperatures from -30°C to 110°C.
This bearing is interchangeable with SKF models, making it a practical choice for replacements. Ideal for machinery where space is limited and high radial loads are present.
Weighing 0.18kg, it’s lightweight yet durable. Compliant with RoHS and REACH standards for safe and reliable use.

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Product Parameters

  • Part Number RNU 305
  • Brand TFL
  • Interchangeable SKF
  • Diameter Under Rollers 35 mm
  • Diameter Under Rollers Tolerance -0.012mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 17 mm
  • Width Tolerance -0.12mm to 0
  • Shoulder Dia Outer Ring 48.2 mm
  • Corner Radius(r1,2)(min.) 1.1 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 6435 lbf
  • Static Radial Load 5512 lbf
  • Max Speed 15000 rpm
  • Lubrication Grease, Oil
  • Temperature Range -30° to 110 °C
  • RoHS Compliant
  • REACH Compliant
  • Weight 0.18 kg
  • Weight 0.18 kg
Single Row Cylindrical Roller Bearings Without Inner Ring RNU 305 dimension drawing
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Features

Performance Features of RNU 305 Bearing
RNU 305 Bearing is built with chrome steel rings and rollers, offering strong resistance to combined loads.
Its dynamic radial load capacity reaches 6435 lbf, ensuring reliable performance in various applications.
The brass cage keeps the rollers centred, reducing friction and enhancing durability.
With a maximum speed of 15,000 rpm, it delivers efficient operation under demanding conditions.
RNU 305 Bearing operates smoothly in temperatures ranging from -30° to 110°C.
Its open design allows for easy lubrication with grease or oil, extending service life.

Application

Industrial Uses of RNU 305 Bearing
RNU 305 Bearing is commonly used in heavy machinery like conveyor systems and industrial gearboxes, where its cylindrical roller design handles combined loads efficiently. The open seal type simplifies lubrication, making it suitable for high-speed operations up to 15000 rpm.
In automotive applications, RNU 305 Bearing fits well in transmission systems and wheel hubs, thanks to its robust chrome steel construction. The brass cage ensures smooth rotation, even under demanding conditions.
For automation equipment, RNU 305 Bearing’s single-row design offers precision in robotic arms and CNC machines. Its metric sizing ensures compatibility with a wide range of European and Asian machinery standards.
Medical devices like diagnostic scanners benefit from RNU 305 Bearing’s reliable performance and low maintenance needs. The grease or oil lubrication options provide flexibility for different operational environments.

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