Part Number | RU148UU |
System of Measurement | Metric |
Bearing Type | Roller |
Roller Bearing Type | Crossed |
For Load Direction | Combined |
Construction | Single Row |
Seal Type | Double Seal |
Bore Dia | 90 mm |
Outer Dia | 210 mm |
Width | 25 mm |
Inner Ring PCD1 | 112 mm |
Outer Ring PCD2 | 187 mm |
Holes | With Holes |
Inner Ring Mounting Hole | 12-M8 through |
Outer Ring Mounting Hole | 12-φ9 through φ14 counter bore depth 12 |
Ring Material | Steel |
Roller Material | Steel |
Basic Load Rating C | 49.1 kN |
Basic Load Rating Co | 76.8 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 | 4.9 Kg |

RU148UU
Design Features of RU148UU Bearing
RU148UU Bearing is designed for high-precision rotational motion, with crossed cylindrical rollers arranged at right angles to provide exceptional rigidity and load-bearing capacity. RU148UU outer dia is 210 mm. Its bore dia is 90 mm. Its integrated, compact structure supports radial, axial, and moment loads in any direction, simplifying installation by eliminating the need for a mounting flange.
What Benefits Can RU148UU Bearing Provide?
- High Load Capacity: Its crossed roller design allows it to handle radial, axial, and moment loads in all directions, making it highly versatile for various applications.
- Exceptional Rigidity: The compact, integrated design enhances structural rigidity, ensuring stability and precision in demanding applications.
- Smooth and Accurate Rotation: The crossed roller configuration minimizes friction and enables precise rotational movement, ideal for high-precision equipment.
- Space-Saving Design: By eliminating the need for a mounting flange, it reduces installation space and simplifies setup in compact environments.
- Reduced Maintenance: Its robust construction and high load tolerance contribute to a longer lifespan with minimal maintenance.
What Can RU148UU Bearing Be Used for?
- Industrial Robots: It enables precise, stable rotation in robotic joints, supporting smooth and accurate movement under various loads.
- CNC Machinery: The bearing is ideal for rotary tables and indexing heads, ensuring precise positioning in machining and milling operations.
- Medical Imaging Equipment: Its high rigidity and load capacity make it suitable for MRI machines and CT scanners, where stability and smooth rotation are essential.
- Semiconductor Manufacturing: The crossed roller ring supports delicate yet accurate movement in wafer-handling systems and precision stages.
- Aerospace Components: Its robust design and space-saving features make it well-suited for gimbals, navigation systems, and other aerospace applications requiring high precision and reliability.