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Both brands availableCross Roller Bearings & Rings
Cross roller bearings and rings for high rotational accuracy under heavy loads. THK offers Cross Roller Guides, Rings, and Tables; HIWIN offers CRB series crossed roller bearings.
Key Specifications
| Parameter | Unit | THK | HIWIN |
|---|---|---|---|
| Inner Ring Bore | mm | 10–2000 | 12–1500 |
| Outer Ring OD | mm | 30–2200 | 35–1800 |
| Dynamic Load | kN | 2.5–420 | 3.0–380 |
| Static Load | kN | 3.8–680 | 4.5–550 |
| Max. Rotational Speed | rpm | 50–2000 | 60–1800 |
| Thin Type CRBC Series | — | CRBC 05008, CRBC 05013 | |
| Thin Type Accuracy | — | P0 | |
| Internal Clearance | — | C8 (preload) / C1 (clearance) | |
| Volume Savings | % | — | ~40 vs standard CRB |
Available Series
| Series | Description | Brand |
|---|---|---|
| RV Type | Cross roller ring, outer ring rotating | THK |
| RA Type | Cross roller ring, inner ring rotating | THK |
| RU Type | Cross roller ring with mounting holes | THK |
| RE Type | Cross roller table, compact integrated slide | THK |
| RW Type | Cross roller ring, ultra-thin type | THK |
| VR Type | Cross roller guide, miniature precision | THK |
| CRB Series | Cross roller bearing, high rotational accuracy | THK |
| CRB Series | Crossed roller bearing, standard type | HIWIN |
| CRBG Series | Crossed roller bearing with gear | HIWIN |
| CRBH Series | Crossed roller bearing, high rigidity | HIWIN |
| CRBA Series | Crossed roller bearing, angular type | HIWIN |
Key Model Numbers
The following model series are available. Click a catalogue PDF above for detailed dimensional data and specifications.
THK
8 models
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RVRARURERWVRRBCRB
HIWIN
4 models
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CRB SeriesCRBG SeriesCRBH SeriesCRBA Series