THK Replacement Cross Roller Bearings · RU Series
RU445X Cross Roller Bearing
RU445X cross roller bearing with bore, outer diameter, width, series and quote information.
Ask for price, lead time and equivalent bearing options.
RU445X Thin Section Bearing Photo
Real photo of a THK replacement thin section bearing for quick visual confirmation.
Product Introduction
RU445X is a RU series cross roller bearing for compact rotary structures that need combined radial, axial and moment load capacity.
Key size: bore 350 mm, outer diameter 540 mm, width 45 mm.
Suitable for robot joints, rotary tables, indexing mechanisms, inspection equipment and precision reducers.
Before ordering, confirm installation space, accuracy grade, clearance, preload and working load direction.
Dimension Drawing
Key dimensions are marked on the drawing for quick model checking.
d=350 mmD=540 mmB=45 mmdp=445.4 mmds=417 mmDh=473 mm
d=350 mmD=540 mmB=45 mmdp=445.4 mmds=417 mmDh=473 mm
Specifications
| Brand | THK Replacement Cross Roller Bearings |
|---|---|
| Series | RU |
| Model | RU445X |
| Bore diameter | 350 mm |
| Outer diameter | 540 mm |
| Pitch circle diameter | 445.4 mm |
| Width | 45 mm |
| Dynamic load rating C | 222 kN |
| Static load rating C0 | 473 kN |
| Feature | Integrated inner and outer ring with mounting holes |
Application and Selection Notes
RU445X is a RU series cross roller bearing. It is typically reviewed when compact structure, high rigidity and stable rotational accuracy are required.
Check the mounting space against bore 350 mm, outer diameter 540 mm and width 45 mm. Confirm shoulder dimensions before final housing design.
For load review, compare dynamic load rating 222 kN and static load rating 473 kN with the actual radial, axial and moment load conditions.
Series type：Integrated inner and outer ring type
Before Requesting a Quote
Target model or equivalent model
Quantity and expected delivery time
Accuracy, clearance and sealing requirements
Drawing, application or working load if available
Common Questions
What type of bearing is RU445X?
RU445X is a RU series cross roller bearing for combined radial, axial and moment loads.
Can RU445X be replaced with another brand?
Yes. Provide the original part number, drawing or key dimensions so fit, bearing type and accuracy can be checked.
What are the load ratings of RU445X?
The dynamic load rating is 222 kN and the static load rating is 473 kN. Final selection must consider the actual load direction and duty cycle.
What should be checked before ordering RU445X?
Confirm bore, outer diameter, width, bearing type, accuracy, clearance, preload and installation method before ordering this Cross Roller Bearing.
Related Models
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Technical Guides
Cross Roller Bearing Installation GuideInstallation checks for shaft and housing shoulders, tightening sequence, fit and rotational accuracy.
Cross Roller Bearing Clearance and PreloadHow clearance and preload affect rigidity, torque, heat and service life.
Cross Roller Bearing Accuracy SelectionSelection notes for running accuracy, mounting accuracy, rigidity and application requirements.
Model Search
Enter a bearing model number to open its product page directly.
Applications
Industrial robotsCNC rotary tablesMedical imaging systemsOptical inspection equipmentPrecision reducers
Request a Quote: RU445X
Send the bearing model, quantity, accuracy class and drawing if available. We will match RU, RB, RA, RE, CRBH, CRBF and equivalent crossed roller bearing models.
