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RE Crossed Roller Bearings RE30025UU

The RE30025UU is a crossed roller bearing with a 300mm bore and 360mm outer diameter, crafted from sturdy steel for reliable performance. It handles combined loads up to 75.5 kN and operates smoothly in temperatures from 0°C to 110°C.

Its double-seal design keeps contaminants out while retaining lubrication, making it low-maintenance. The press-fit shaft mount ensures a secure installation.

With an ABEC5 rating (upgradable to ABEC7/9), it offers precise rotation for demanding applications. Ideal for industrial machinery, robotics, or precision equipment where accuracy is key.

Weighing 5.9kg, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards for safe use. Greasing holes (3.5mm and 2mm) allow easy maintenance when needed.

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Description

Features

Application

Q&A

Product Parameters

Part Number RE30025UU
Brand TFL
Size 300 mm x 360 mm x 25 mm
System of Measurement Metric
Bearing Type Roller
Roller Bearing Type Crossed
For Load Direction Combined
Construction Single Row
Seal Type Double Seal
Bore Dia 300 mm
Outer Dia 360 mm
Width 25 mm
Greasing Hole(a) 3.5 mm
Greasing Hole(b) 2 mm
R(min) 2.5 mm
Shoulder Height Ds(max) 319 mm
Shoulder Height Dh(min) 344 mm
Holes Without Holes
Ring Material Steel
Roller Material Steel
Basic Load Rating C 75.5 kN
Basic Load Rating Co 178 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 5.9 Kg

Features

Performance Features of RE30025UU Bearing

RE30025UU Bearing is built with a double seal design, protecting against dust and moisture in various environments.
Its steel rings and rollers provide a basic load rating of 75.5 kN, ensuring reliable performance under combined loads.

The crossed roller design allows for precise motion control, making it ideal for high-accuracy applications.
With a temperature range of 0 to 230°F, RE30025UU Bearing maintains stability in demanding conditions.

Press-fit shaft mounting simplifies installation, reducing setup time and effort.
The ABEC5 rating ensures consistent precision, with options for higher grades like ABEC7 or ABEC9.

Lubrication is required for optimal performance, ensuring smooth operation over extended periods.
Its compact width of 25 mm makes it suitable for space-constrained applications.

Application

Industrial Uses of RE30025UU Bearing
RE30025UU Bearing is commonly used in machine tools, where its crossed roller design provides excellent rigidity and precision for rotary tables and indexing heads. The double seal helps keep contaminants out, extending service life in dusty workshops.

Where Is RE30025UU Bearing Used?
You’ll often spot RE30025UU Bearing in robotics, particularly in articulated arms requiring smooth rotation under combined loads. Its press-fit mounting ensures stability during high-precision movements.

Built for Heavy-Duty Use: RE30025UU Bearing
This bearing handles tough conditions in packaging machinery, where its steel construction withstands constant start-stop cycles. The ABEC5 rating (upgradable to ABEC7/9) makes it suitable for applications needing tight tolerances.

Automotive vs Aerospace: Applications of RE30025UU Bearing
In automotive testing rigs, RE30025UU Bearing supports dynamic load simulations, while in aerospace, it assists in satellite antenna positioning systems. The wide temperature range accommodates both environments.

Perfect Fit for Automation: RE30025UU Bearing
RE30025UU Bearing shines in CNC rotary stages, where its compact 25mm width saves space without sacrificing load capacity. The grease holes allow for easy maintenance during prolonged operation periods.

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