THK Replacement Cross Roller Bearings · RU Series
RU148 Cross Roller Bearing
RU148 RU cross roller bearing: bore 90 mm, outer diameter 210 mm, width 25 mm. Dynamic load C 49.1 kN; static load C0 76.8 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
RU148 is a RU series cross roller bearing for compact rotary structures that need combined radial, axial and moment load capacity.
Key size: bore 90 mm, outer diameter 210 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=90 mmD=210 mmB=25 mmdp=147.5 mmds=133 mmDh=162 mm
d=90 mmD=210 mmB=25 mmdp=147.5 mmds=133 mmDh=162 mm
Specifications
| Brand | THK Replacement Cross Roller Bearings |
|---|---|
| Series | RU |
| Model | RU148 |
| Bore diameter | 90 mm |
| Outer diameter | 210 mm |
| Pitch circle diameter | 147.5 mm |
| Width | 25 mm |
| Dynamic load rating C | 49.1 kN |
| Static load rating C0 | 76.8 kN |
| Shaft shoulder ds | 133 mm |
| Housing shoulder Dh | 162 mm |
| Feature | Integrated inner and outer ring with mounting holes |
Technical Confirmation for RU148
Ask for price, lead time and equivalent bearing options. →Key dimensions
d 90 mm · D 210 mm · B 25 mm · dp 147.5 mm
Shoulder reference
ds 133 mm · Dh 162 mm
Structure and mounting
Integrated inner and outer ring with mounting holes
Send model, quantity and drawing for a quote and technical confirmation.
Application and Selection Notes
RU148 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 90 mm, outer diameter 210 mm and width 25 mm. Confirm shoulder dimensions before final housing design.
For load review, compare dynamic load rating 49.1 kN and static load rating 76.8 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 RU148?
RU148 is a RU series cross roller bearing for combined radial, axial and moment loads.
Can RU148 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 RU148?
The dynamic load rating is 49.1 kN and the static load rating is 76.8 kN. Final selection must consider the actual load direction and duty cycle.
What should be checked before ordering RU148?
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
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Applications
Industrial robotsCNC rotary tablesMedical imaging systemsOptical inspection equipmentPrecision reducers
Request a Quote: RU148
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.
