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CRBC Crossed Roller Bearings CRB40070
CRBC Crossed Roller Bearings CRB40070

CRBC Crossed Roller Bearings CRB40070

The CRB40070 is a crossed roller bearing with a 400mm bore and 580mm outer diameter, built from sturdy steel for long-lasting performance. It handles combined loads up to 576 kN and operates smoothly in temperatures from 0°C to 110°C.

Its single-row design with open construction allows easy lubrication, while the press-fit shaft mount ensures a secure installation. The bearing meets ABEC5 precision standards, with options for higher grades (ABEC7/9) if needed.

Ideal for heavy-duty applications like industrial robots or precision machinery, where high load capacity and stability are essential. Compliant with RoHS and REACH regulations, it’s a reliable choice for demanding environments.

Weighing 72.4kg, it’s robust yet manageable for its size, with a compact 70mm width. The crossed roller design provides excellent rigidity and accuracy under load.

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Product Parameters

  • Part Number CRB40070
  • Brand TFL
  • Size 400 mm x 580 mm x 70 mm
  • Bore Dia 400 mm
  • Outer Dia 580 mm
  • Width 70 mm
  • R(min) 2.5 mm
  • Shoulder Height Ds(max) 430 mm
  • Shoulder Height Dh(min) 532 mm
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Crossed
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Open
  • Holes Without Holes
  • Ring Material Steel
  • Roller Material Steel
  • Basic Load Rating C 576 kN
  • Basic Load Rating Co 1 060 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 72.4 Kg

Features

How Does CRB40070 Bearing Handle Combined Loads?

CRB40070 Bearing features a crossed roller design, providing stability under combined radial and axial loads.
Its steel rings and rollers ensure durability, with a basic load rating of 576 kN for dynamic applications.

The press-fit shaft mount simplifies installation, while the open design allows for easy lubrication.
CRB40070 Bearing operates in temperatures from 0 to 230°F, making it suitable for various industrial environments.

With an ABEC5 rating (upgradable to ABEC7/9), it offers precision for high-performance machinery.
The single-row construction maintains compactness without compromising load capacity.

Application

Industrial Uses of CRB40070 Bearing
CRB40070 Bearing is commonly used in heavy machinery, such as rotary tables and indexing devices, where its crossed roller design handles combined loads efficiently. The steel construction ensures durability in demanding industrial environments.

Where Is CRB40070 Bearing Used?
You’ll find CRB40070 Bearing in precision equipment like robotic arms and CNC machines, thanks to its high load capacity and stability. Its press-fit mounting makes installation straightforward for engineers.

Built for Heavy-Duty Use: CRB40070 Bearing
CRB40070 Bearing excels in applications requiring both radial and axial load support, such as wind turbine yaw systems. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of CRB40070 Bearing
In automotive testing rigs, CRB40070 Bearing provides reliable performance under high stress. Meanwhile, aerospace applications benefit from its precision and temperature resistance.

Perfect Fit for Automation: CRB40070 Bearing
CRB40070 Bearing is ideal for automated production lines, where its ABEC5 rating ensures smooth operation. The steel rollers offer consistent performance even in high-speed scenarios.

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