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RA Crossed Roller Bearings RA9008
RA Crossed Roller Bearings RA9008

RA Crossed Roller Bearings RA9008

The RA9008 is a compact crossed roller bearing with a 90mm bore and 106mm outer diameter, made from sturdy steel. It handles combined loads up to 6.76 kN and is designed for precision applications.

Its open construction allows easy lubrication, with two greasing holes (2mm and 0.8mm) for maintenance. The press-fit shaft mount ensures a secure installation.

This bearing operates in temperatures from 0°C to 110°C and meets ABEC5 precision standards (higher grades available). Ideal for robotics or medical equipment where space and accuracy matter.

Weighing just 0.12kg, it’s lightweight yet durable. Compliant with RoHS and REACH for safe industrial use.

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Product Parameters

  • Part Number RA9008
  • Brand TFL
  • Size 90 mm x 106 mm x 8 mm
  • Bore Dia 90 mm
  • Outer Dia 106 mm
  • Width 8 mm
  • Greasing Hole(a) 2 mm
  • Greasing Hole(b) 0.8 mm
  • R(min) 0.5 mm
  • Shoulder Height Ds(max) 93.5 mm
  • Shoulder Height Dh(min) 100.5 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 6.76 kN
  • Basic Load Rating Co 12.4 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 0.12 Kg

Features

Performance Features of RA9008 Bearing

RA9008 Bearing is designed for combined load applications, offering a balanced performance in various conditions.
Its steel rings and rollers provide a basic load rating of 6.76 kN, ensuring reliable operation under stress.

The compact 8 mm width and press-fit shaft mount make RA9008 Bearing suitable for space-constrained installations.
With a temperature range of 0-230°F, it performs well in diverse environments.

RA9008 Bearing’s open design allows for easy lubrication, enhancing its service life.
The ABEC5 rating ensures precision, with options for higher ABEC7/9 grades if needed.

The crossed roller design minimises friction, contributing to smoother operation.
Weighing just 0.12 kg, RA9008 Bearing is lightweight yet durable for its size.

Application

Key Fields for RA9008 Bearing
RA9008 Bearing is commonly used in industrial automation, particularly in robotic arms and precision machinery, where its crossed roller design ensures smooth rotational movement. The compact 8mm width makes it ideal for space-constrained applications.

In medical imaging devices, RA9008 Bearing provides stable support for rotating components, thanks to its steel construction and ABEC5 precision. The press-fit mounting ensures secure installation in sensitive equipment.

For consumer electronics like high-end printers, RA9008 Bearing’s low-profile design helps maintain consistent paper feed mechanisms. Its open seal type allows for easy lubrication, extending service life in frequent-use scenarios.

Automotive testing equipment often incorporates RA9008 Bearing for its ability to handle combined loads during durability tests. The temperature range of 0-230°F ensures reliable performance under varying conditions.

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