THK Replacement Cross Roller Bearings · RB Series
RB30025 Cross Roller Bearing
RB30025 RB cross roller bearing: bore 300 mm, outer diameter 360 mm, width 25 mm. Dynamic load C 76.3 kN; static load C0 178 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
RB30025 is a RB series cross roller bearing for compact rotary structures that need combined radial, axial and moment load capacity.
Key size: bore 300 mm, outer diameter 360 mm, width 25 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=360 mmB=25 mmdp=328 mmds=315 mmDh=340 mm
d=300 mmD=360 mmB=25 mmdp=328 mmds=315 mmDh=340 mm
Specifications
| Brand | THK Replacement Cross Roller Bearings |
|---|---|
| Series | RB |
| Model | RB30025 |
| Bore diameter | 300 mm |
| Outer diameter | 360 mm |
| Pitch circle diameter | 328 mm |
| Width | 25 mm |
| Dynamic load rating C | 76.3 kN |
| Static load rating C0 | 178 kN |
| Shaft shoulder ds | 315 mm |
| Housing shoulder Dh | 340 mm |
| Mass | 5.9 kg |
| Feature | Outer ring split type for inner ring rotation |
Technical Confirmation for RB30025
Ask for price, lead time and equivalent bearing options. →Key dimensions
d 300 mm · D 360 mm · B 25 mm · dp 328 mm
Shoulder reference
ds 315 mm · Dh 340 mm
Structure and mounting
Outer ring split type for inner ring rotation
Send model, quantity and drawing for a quote and technical confirmation.
Application and Selection Notes
RB30025 is a RB 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 360 mm and width 25 mm. Confirm shoulder dimensions before final housing design.
For load review, compare dynamic load rating 76.3 kN and static load rating 178 kN with the actual radial, axial and moment load conditions.
Series type：Outer 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 RB30025?
RB30025 is a RB series cross roller bearing for combined radial, axial and moment loads.
Can RB30025 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 RB30025?
The dynamic load rating is 76.3 kN and the static load rating is 178 kN. Final selection must consider the actual load direction and duty cycle.
What should be checked before ordering RB30025?
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: RB30025
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.
