THK Replacement Cross Roller Bearings · RB-USP Series
RB40040USP Cross Roller Bearing
RB40040USP cross roller bearing with bore, outer diameter, width, series and quote information.
Ask for price, lead time and equivalent bearing options.
RB40040USP Thin Section Bearing Photo
Real photo of a THK replacement thin section bearing for quick visual confirmation.
Product Introduction
RB40040USP is a RB-USP series cross roller bearing for compact rotary structures that need combined radial, axial and moment load capacity.
Key size: bore 400 mm, outer diameter 510 mm, width 40 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=400 mmD=510 mmB=40 mmdp=453.4 mmds=428 mmDh=479 mm
d=400 mmD=510 mmB=40 mmdp=453.4 mmds=428 mmDh=479 mm
Specifications
| Brand | THK Replacement Cross Roller Bearings |
|---|---|
| Series | RB-USP |
| Model | RB40040USP |
| Bore diameter | 400 mm |
| Outer diameter | 510 mm |
| Pitch circle diameter | 453.4 mm |
| Width | 40 mm |
| Dynamic load rating C | 241 kN |
| Static load rating C0 | 531 kN |
| Mass | 23.5 kg |
| Feature | RB ultra-super precision grade |
Application and Selection Notes
RB40040USP is a RB-USP 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 400 mm, outer diameter 510 mm and width 40 mm. Confirm shoulder dimensions before final housing design.
For load review, compare dynamic load rating 241 kN and static load rating 531 kN with the actual radial, axial and moment load conditions.
Series type：RB ultra-super precision grade
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 RB40040USP?
RB40040USP is a RB-USP series cross roller bearing for combined radial, axial and moment loads.
Can RB40040USP 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 RB40040USP?
The dynamic load rating is 241 kN and the static load rating is 531 kN. Final selection must consider the actual load direction and duty cycle.
What should be checked before ordering RB40040USP?
Confirm bore, outer diameter, width, bearing type, accuracy, clearance, preload and installation method before ordering this Cross Roller Bearing.
Related Models
View all RB-USP models →
RB-USP Series
RB50040USP Cross Roller Bearing
RB ultra-super precision grade
RB-USP Series
RB30035USP Cross Roller Bearing
RB ultra-super precision grade
RB-USP Series
RB25030USP Cross Roller Bearing
RB ultra-super precision grade
RB-USP Series
RB60040USP Cross Roller Bearing
RB ultra-super precision grade
RB-USP Series
RB20030USP Cross Roller Bearing
RB ultra-super precision grade
RB-USP Series
RB15025USP Cross Roller Bearing
RB ultra-super precision grade
RB-USP Series
RB12025USP Cross Roller Bearing
RB ultra-super precision grade
RB-USP Series
RB10020USP Cross Roller Bearing
RB ultra-super precision grade
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: RB40040USP
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.
