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RB Crossed Roller Bearings RB40040
RB Crossed Roller Bearings RB40040

RB Crossed Roller Bearings RB40040

The RB40040 is a crossed roller bearing with a 400mm bore and 510mm outer diameter, designed for combined loads. Its compact 40mm width and steel construction make it sturdy yet space-efficient.

With a basic load rating of 241kN, it handles heavy loads smoothly, while the open design allows for easy lubrication. The bearing operates well in temperatures from 0°C to 110°C.

The crossed roller design provides stability and precision, ideal for applications requiring high accuracy. It’s press-fit mounted, ensuring a secure installation.

Suitable for industrial machinery and robotics, this bearing is RoHS and REACH compliant. Weighing 23.5kg, it’s built for durability in demanding environments. ABEC5 precision is standard, with options for higher grades.

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Product Parameters

  • Part Number RB40040
  • Brand TFL
  • size 400 mm x 510 mm x 40 mm
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Crossed
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Bore Dia 400 mm
  • Outer Dia 510 mm
  • Width 40 mm
  • R(min) 2.5 mm
  • Shoulder Height Ds(max) 428 mm
  • Shoulder Height Dh(min) 479 mm
  • Holes Without Holes
  • Ring Material Steel
  • Roller Material Steel
  • Basic Load Rating C 241 kN
  • Basic Load Rating Co 531 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 23.5 Kg

Features

Performance Features of RB40040 Bearing

RB40040 Bearing is built with a single-row crossed roller design, ideal for handling combined loads with precision.
Its steel rings and rollers provide robust performance, supporting basic load ratings of 241 kN (C) and 531 kN (Co).

The open seal type allows for easy lubrication, ensuring smooth operation in various conditions.
With a press-fit shaft mount, RB40040 Bearing simplifies installation while maintaining stability.

RB40040 Bearing operates efficiently within a temperature range of 0 to 230°F, suitable for diverse industrial applications.
Its ABEC5 rating ensures high precision, with options for ABEC7 or ABEC9 for even tighter tolerances.

The compact width of 40 mm and lightweight design (23.5 kg) make RB40040 Bearing versatile without sacrificing durability.
Its 400 mm bore and 510 mm outer diameter accommodate larger machinery, offering reliable performance.

Application

Industrial Uses of RB40040 Bearing
RB40040 Bearing is commonly used in heavy industrial equipment like rotary tables and indexing devices, where its crossed roller design handles combined loads efficiently. The press-fit mounting ensures stability in high-precision applications.

What Makes RB40040 Bearing a Preferred Choice?
With its steel construction and ABEC5 precision, RB40040 Bearing is ideal for automation systems, particularly in robotic arms requiring smooth rotational movement. The open design simplifies lubrication maintenance during operation.

Built for Heavy-Duty Use: RB40040 Bearing
This bearing excels in machinery where space is limited but load capacity matters, such as compact CNC lathes. Its 40mm width provides a balance between strength and dimensional flexibility for tight installations.

Medical vs Industrial: Where RB40040 Bearing Excels
While suitable for industrial turntables, RB40040 Bearing also meets the demands of medical imaging equipment needing precise motion control. The temperature range accommodates various operating environments without compromising performance.

Automotive vs Aerospace: Applications of RB40040 Bearing
In automotive testing rigs, RB40040 Bearing supports dynamic load simulations, whereas in aerospace, it aids in satellite antenna positioning systems. Its metric sizing aligns with global engineering standards.

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