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TFL BEARINGS
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RU Crossed Roller Bearings RU148

RU Crossed Roller Bearings RU148

The RU148 is a crossed roller bearing with a 90mm bore and 210mm outer diameter, designed for combined loads. Made from sturdy steel, it offers a load capacity of 49.1 kN and operates smoothly in temperatures from 0°C to 110°C.

Its single-row design with open seals ensures easy lubrication, while the 12-M8 mounting holes simplify installation. The bearing is press-fit for secure shaft mounting, making it reliable for precise applications.

With an ABEC5 rating (also available in higher precision grades), it’s ideal for rotary tables or robotics. The greasing hole (3.1mm) allows for convenient maintenance.

Weighing 4.9kg, it’s robust yet manageable. Compliant with RoHS and REACH standards, it’s a versatile choice for industrial machinery.

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Product Parameters

  • Part Number RU148
  • Brand TFL
  • Size 90 mm x 210 mm x 25 mm
  • Bore Dia 90 mm
  • Outer Dia 210 mm
  • Width 25 mm
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Crossed
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Inner Ring PCD1 112 mm
  • Outer Ring PCD2 187 mm
  • Greasing Hole(d1) 3.1 mm
  • R(min) 1.5 mm
  • Shoulder Height Ds(max) 133 mm
  • Shoulder Height Dh(min) 162 mm
  • Holes With Holes
  • Inner Ring Mounting Hole 12-M8 through
  • Outer Ring Mounting Hole 12-φ9 through φ14 counter bore depth 12
  • Ring Material Steel
  • Roller Material Steel
  • Basic Load Rating C 49.1 kN
  • Basic Load Rating Co 76.8 kN
  • Lubrication Required
  • Shaft Mount Type Press Fit
  • Temperature Range 0 -230 °F
  • ABEC Rating ABEC5(Available in ABEC7/9)
  • RoHS Compliant
  • REACH Compliant
  • Weight 4.9 Kg

Features

Performance Features of RU148 Bearing

RU148 Bearing is designed with a single-row crossed roller construction, ideal for handling combined loads.
Its steel rings and rollers provide a basic load rating of 49.1 kN, ensuring reliable performance.

The open design of RU148 Bearing allows for easy lubrication, extending its service life.
With mounting holes on both inner and outer rings, installation is straightforward and secure.

RU148 Bearing operates efficiently in temperatures ranging from 0 to 230°F.
Its ABEC5 precision rating ensures smooth and accurate rotation for various applications.

Application

Industrial Uses of RU148 Bearing
RU148 Bearing is commonly used in machine tools, where its crossed roller design provides excellent rigidity and precision for rotary tables and indexing heads. The open seal type allows for easy lubrication, ensuring long service life in demanding conditions.

What Makes RU148 Bearing a Preferred Choice?
In robotics, RU148 Bearing supports articulated arms and joints, offering smooth movement under combined loads. Its steel construction and ABEC5 rating make it reliable for high-precision automation tasks.

Built for Heavy-Duty Use: RU148 Bearing
For conveyor systems, RU148 Bearing handles heavy loads while maintaining alignment, thanks to its single-row construction. The press-fit mounting ensures secure installation in industrial settings.

Medical vs Industrial: Where RU148 Bearing Excels
In medical imaging devices, RU148 Bearing’s precision is crucial for accurate positioning, while in industrial gearboxes, it withstands high torque. The temperature range suits both sterile and harsh environments.

Automotive vs Aerospace: Applications of RU148 Bearing
RU148 Bearing fits well in vehicle steering systems, providing durability, while in aircraft actuators, its lightweight design and load capacity are key. The metric sizing ensures compatibility across global standards.

Q&A

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