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RB Crossed Roller Bearings RB70045
RB Crossed Roller Bearings RB70045

RB Crossed Roller Bearings RB70045

The RB70045 is a crossed roller bearing with a 700mm bore and 815mm outer diameter, designed for combined loads. Made from sturdy steel, it handles loads up to 281 kN and fits snugly with a press-fit mount.

Its single-row construction offers compactness while maintaining strength, and the open design allows for easy lubrication. The bearing operates smoothly in temperatures from 0°C to 110°C.

With an ABEC5 rating (upgradable to ABEC7/9), it ensures precision for demanding applications. Ideal for rotary tables or industrial machinery where accuracy and durability are key.

Weighing 46kg, it’s a robust choice for heavy-duty use. Compliant with RoHS and REACH standards for safety and environmental friendliness.

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Product Parameters

  • Part Number RB70045
  • Brand TFL
  • size 700 mm x 815 mm x 45 mm
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Crossed
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 700 mm
  • Outer Dia 815 mm
  • Width 45 mm
  • R(min) 3 mm
  • Shoulder Height Ds(max) 731 mm
  • Shoulder Height Dh(min) 777 mm
  • Holes Without Holes
  • Ring Material Steel
  • Roller Material Steel
  • Basic Load Rating C 281 kN
  • Basic Load Rating Co 836 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 46 Kg

Features

Performance Features of RB70045 Bearing

RB70045 Bearing is designed for combined load applications, offering reliable performance with its crossed roller construction.
The steel rings and rollers provide a basic load rating of 281 kN, ensuring durability under heavy loads.

Its press-fit shaft mount type simplifies installation, reducing setup time and effort.
With a temperature range of 0-230°F, RB70045 Bearing performs well in various operating conditions.

The open seal design allows for easy lubrication, maintaining smooth operation over time.
Weighing 46 kg, it balances strength and practicality for industrial use.

Application

Industrial Uses of RB70045 Bearing
RB70045 Bearing is commonly used in heavy machinery, such as rotary tables and indexing devices, where its crossed roller design handles combined loads efficiently. The press fit mounting ensures stability in high-precision applications.

Where Is RB70045 Bearing Used?
You’ll find RB70045 Bearing in automation systems, particularly in robotic arms and CNC machines, thanks to its ABEC5 precision rating. Its steel construction offers durability for continuous operation in demanding environments.

Built for Heavy-Duty Use: RB70045 Bearing
RB70045 Bearing excels in applications like wind turbine yaw systems, where its large bore and load capacity are essential. The open seal design simplifies lubrication maintenance, even in harsh conditions.

Automotive vs Aerospace: Applications of RB70045 Bearing
In automotive testing rigs, RB70045 Bearing provides reliable performance under dynamic loads. For aerospace, its temperature range makes it suitable for ground support equipment.

Perfect Fit for Automation: RB70045 Bearing
RB70045 Bearing is ideal for 3D printers and assembly lines, where its compact width saves space without sacrificing load capacity. The steel rollers ensure smooth motion over long periods.

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