THK Replacement Cross Roller Bearings · RA Series
RA5008 Cross Roller Bearing
RA5008 cross roller bearing with bore, outer diameter, width, series and quote information.
Ask for price, lead time and equivalent bearing options.
RA5008 Thin Section Bearing Photo
Real photo of a THK replacement thin section bearing for quick visual confirmation.
Product Introduction
RA5008 is a RA series cross roller bearing for compact rotary structures that need combined radial, axial and moment load capacity.
Key size: bore 50 mm, outer diameter 66 mm, width 8 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=50 mmD=66 mmB=8 mmdp=57 mmds=53.5 mmDh=60.5 mm
d=50 mmD=66 mmB=8 mmdp=57 mmds=53.5 mmDh=60.5 mm
Specifications
| Brand | THK Replacement Cross Roller Bearings |
|---|---|
| Series | RA |
| Model | RA5008 |
| Bore diameter | 50 mm |
| Outer diameter | 66 mm |
| Pitch circle diameter | 57 mm |
| Width | 8 mm |
| Dynamic load rating C | 5.10 kN |
| Static load rating C0 | 7.19 kN |
| Mass | 0.08 kg |
| Feature | Thin compact outer ring split type |
Application and Selection Notes
RA5008 is a RA 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 50 mm, outer diameter 66 mm and width 8 mm. Confirm shoulder dimensions before final housing design.
For load review, compare dynamic load rating 5.10 kN and static load rating 7.19 kN with the actual radial, axial and moment load conditions.
Series type：Ultra-thin compact crossed roller bearing
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 RA5008?
RA5008 is a RA series cross roller bearing for combined radial, axial and moment loads.
Can RA5008 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 RA5008?
The dynamic load rating is 5.10 kN and the static load rating is 7.19 kN. Final selection must consider the actual load direction and duty cycle.
What should be checked before ordering RA5008?
Confirm bore, outer diameter, width, bearing type, accuracy, clearance, preload and installation method before ordering this Cross Roller Bearing.
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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: RA5008
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.
