THK Replacement Cross Roller Bearings · RE Series
RE30040 Cross Roller Bearing
RE30040 RE cross roller bearing: bore 300 mm, outer diameter 405 mm, width 40 mm. Dynamic load C 212 kN; static load C0 409 kN. View dimensions, specifications and quote support.
Ask for price, lead time and equivalent bearing options.
THK Replacement Cross Roller Bearing Reference Image
Reference photo of a THK replacement cross roller bearing for quick structural confirmation. Confirm the exact model from the drawing and specification table.
Product Introduction
RE30040 is a RE series cross roller bearing for compact rotary structures that need combined radial, axial and moment load capacity.
Key size: bore 300 mm, outer diameter 405 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=300 mmD=405 mmB=40 mmdp=351.6 mmds=326 mmDh=377 mm
d=300 mmD=405 mmB=40 mmdp=351.6 mmds=326 mmDh=377 mm
Specifications
| Brand | THK Replacement Cross Roller Bearings |
|---|---|
| Series | RE |
| Model | RE30040 |
| Bore diameter | 300 mm |
| Outer diameter | 405 mm |
| Pitch circle diameter | 351.6 mm |
| Width | 40 mm |
| Dynamic load rating C | 212 kN |
| Static load rating C0 | 409 kN |
| Shaft shoulder ds | 326 mm |
| Housing shoulder Dh | 377 mm |
| Mass | 17.2 kg |
| Feature | Inner ring split type for outer ring rotation |
Technical Confirmation for RE30040
Ask for price, lead time and equivalent bearing options. →Key dimensions
d 300 mm · D 405 mm · B 40 mm · dp 351.6 mm
Shoulder reference
ds 326 mm · Dh 377 mm
Structure and mounting
Inner ring split type for outer ring rotation
Send model, quantity and drawing for a quote and technical confirmation.
Application and Selection Notes
RE30040 is a RE 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 300 mm, outer diameter 405 mm and width 40 mm. Confirm shoulder dimensions before final housing design.
For load review, compare dynamic load rating 212 kN and static load rating 409 kN with the actual radial, axial and moment load conditions.
Series type：Inner ring split 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 RE30040?
RE30040 is a RE series cross roller bearing for combined radial, axial and moment loads.
Can RE30040 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 RE30040?
The dynamic load rating is 212 kN and the static load rating is 409 kN. Final selection must consider the actual load direction and duty cycle.
What should be checked before ordering RE30040?
Confirm bore, outer diameter, width, bearing type, accuracy, clearance, preload and installation method before ordering this Cross Roller Bearing.
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.
RB, RA, RU and RE Cross Roller Bearing ComparisonCompare ring construction, mounting features and the information needed before selecting an RB, RA, RU or RE series bearing.
Cross Roller Bearing ds and Dh Shoulder Dimension GuideA practical guide to checking shaft and housing shoulder dimensions against the bearing drawing before machining or replacement selection.
Cross Roller Bearing Load and Moment Selection GuideSelection checkpoints for combined radial, axial and moment loads before choosing a cross roller bearing model.
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: RE30040
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.
