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RA Crossed Roller Bearings RA5008UU
RA Crossed Roller Bearings RA5008UU

RA Crossed Roller Bearings RA5008UU

The RA5008UU is a compact crossed roller bearing measuring 50mm in bore, 66mm in outer diameter, and just 8mm wide. Made from sturdy steel, it handles combined loads up to 5.1 kN, making it reliable for precise applications.

Its double-seal design keeps out contaminants while retaining lubrication, ideal for environments where cleanliness matters. The bearing operates smoothly in temperatures from 0°C to 110°C, suitable for various industrial settings.

With a press-fit shaft mount, it stays securely in place during operation. The ABEC5 rating ensures good precision, though higher grades like ABEC7 or 9 are available for tighter tolerances.

Weighing only 0.08kg, it’s lightweight yet durable. Perfect for robotics, medical equipment, or any application needing high accuracy and compact design. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number RA5008UU
  • Brand TFL
  • Size 50 mm x 66 mm x 8 mm
  • Bore Dia 50 mm
  • Outer Dia 66 mm
  • Width 8 mm
  • Greasing Hole(a) 2 mm
  • Greasing Hole(b) 0.8 mm
  • R(min) 0.5 mm
  • Shoulder Height Ds(max) 53.5 mm
  • Shoulder Height Dh(min) 60.5 mm
  • System of Measurement Metric
  • Bearing Type Roller
  • Roller Bearing Type Crossed
  • For Load Direction Combined
  • Construction Single Row
  • Seal Type Double Seal
  • Holes Without Holes
  • Ring Material Steel
  • Roller Material Steel
  • Basic Load Rating C 5.1 kN
  • Basic Load Rating Co 7.19 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 0.08 Kg

Features

How Does RA5008UU Bearing Support Combined Loads?

RA5008UU 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 5.1 kN for dynamic applications.
The double-sealed construction keeps contaminants out, maintaining smooth operation in various conditions.
With a temperature range of 0-230°F, it performs reliably in both industrial and precision settings.

Why Choose RA5008UU Bearing for Precision Tasks?

RA5008UU Bearing is designed with ABEC5 precision, ensuring accurate performance in high-demand applications.
The press-fit shaft mount simplifies installation, reducing setup time and improving alignment.
Its compact 8 mm width makes it ideal for space-constrained machinery without sacrificing load capacity.
Regular lubrication ensures long-term reliability, even in continuous operation.

Built for Reliability: RA5008UU Bearing

RA5008UU Bearing’s steel construction offers excellent resistance to wear, extending its operational life.
The double-sealed design protects against dust and moisture, suitable for harsh environments.
With a basic static load rating of 7.19 kN, it handles heavy loads with ease.
Its compact size and high precision make it a versatile choice for various industrial uses.

Steel vs Ceramic Bearings: Strengths of RA5008UU Bearing

RA5008UU Bearing uses high-quality steel rollers, providing robust performance under heavy loads.
The material choice ensures cost-effectiveness while maintaining durability and precision.
Its double-sealed design offers better protection compared to open bearings in dusty conditions.
The ABEC5 rating guarantees consistent performance for precision applications.

Application

Common Applications of RA5008UU Bearing
RA5008UU Bearing works well in industrial automation, especially for robotic arms that need smooth, precise movement. Its crossed roller design handles both radial and axial loads efficiently.

In medical imaging devices, RA5008UU Bearing ensures accurate positioning due to its high precision and double-sealed construction. The steel rollers provide durability for frequent use.

For small machinery like 3D printers, RA5008UU Bearing offers reliable performance with its compact size and press-fit mounting. The ABEC5 rating makes it suitable for applications requiring moderate precision.

Where Is RA5008UU Bearing Used?
RA5008UU Bearing fits perfectly in optical equipment where minimal vibration is crucial. Its steel construction maintains stability even under combined loads.

You’ll also find RA5008UU Bearing in measuring instruments, thanks to its consistent accuracy and sealed design. The grease lubrication ensures long-term performance without frequent maintenance.

Built for Heavy-Duty Use: RA5008UU Bearing
RA5008UU Bearing handles tough conditions in packaging machines, where speed and reliability matter. The double seals keep contaminants out, extending bearing life.

Its press-fit design makes RA5008UU Bearing easy to install in tight spaces, like small gearboxes. The temperature range suits most industrial environments without issues.

Automotive vs Aerospace: Applications of RA5008UU Bearing
In automotive testing rigs, RA5008UU Bearing supports precise measurements due to its low friction. The crossed rollers distribute loads evenly for consistent results.

For aerospace tooling, RA5008UU Bearing’s lightweight and high precision are ideal. The ABEC5 rating ensures it meets stringent accuracy requirements.

Q&A

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