Key size: bore 400 mm, outer diameter 510 mm, width 40 mm.
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.
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
Can RB40040USP be replaced with another brand?
Yes. Please provide the original part number, drawing or key dimensions so the fit and accuracy can be checked.
What should be checked before ordering?
Confirm bore, outer diameter, width, load direction, rotation part and installation method.
Related Models
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RB15025USP Cross Roller Bearing
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RB20030USP Cross Roller Bearing
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Model Search
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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.
