INA Linear Roller Carriage RWU25-E-H-V3-G2
The RWU25-E-H-V3-G2 is a high, narrow linear recirculating roller bearing carriage from INA (Schaeffler Group), part of the RWU25 series. It features a standard E-type roller system, four-row full-complement roller design, medium preload (V3), and high precision (G2 accuracy class). Engineered for applications demanding exceptional rigidity, precision positioning, and moderate load capacity in compact spaces.
The RWU25-E-H-V3-G2 is a high, narrow linear recirculating roller bearing carriage from INA (Schaeffler Group), part of the RWU25 series. It features a standard E-type roller system, four-row full-complement roller design, medium preload (V3), and high precision (G2 accuracy class). Engineered for applications demanding exceptional rigidity, precision positioning, and moderate load capacity in compact spaces.
Core Specifications (Schaeffler Medias Official Data)
| Parameter | Value | Unit |
|---|---|---|
| Part Number | RWU25-E-H-V3-G2 | — |
| Series | RWU25 | — |
| Rail Width (b) | 23 | mm |
| Carriage Height (H) | 40 | mm |
| Carriage Width (B) | 48 | mm |
| Carriage Length (L) | 91 | mm |
| Weight | 0.65 | kg |
| Dynamic Load Rating (C) | 28,000 | N |
| Static Load Rating (C₀) | 65,000 | N |
| Static Moment Rating (M₀ₓ) | 350 | N·m |
| Static Moment Rating (M₀ᵧ) | 760 | N·m |
| Static Moment Rating (M₀z) | 680 | N·m |
| Preload Class | V3 (Medium Preload) | — |
| Accuracy Class | G2 (High Precision) | — |
| Roller Configuration | Four-row, full-complement recirculating rollers | — |
| Carriage Type | E-H: Standard E-version, high, narrow carriage | — |
| Lubrication | Oil or grease lubrication | — |
| Mounting Bolts | M6 (grade 12.9) | — |
| Temperature Range | -10 to +80 | °C |
| Sealing | End seals + longitudinal sealing strips | — |
Key Features & Applications
- High, Narrow Profile (H): Compact, height-optimized design (40 mm) with reduced width (48 mm), ideal for space-constrained installations requiring vertical rigidity.
- High Precision (G2): Premium accuracy class ensures ultra-precise linear motion, minimal positional error, and consistent repeatability for high-precision machinery.
- Medium Preload (V3): Eliminates internal clearance, boosts rigidity, and enhances positioning stability under varying loads.
- Four-Row Full-Complement Rollers: Delivers superior static/dynamic load ratings and moment resistance compared to ball-type carriages, suitable for moderate-heavy duty tasks.
- Smooth & Stable Motion: Precision-ground raceways ensure low friction, smooth travel, and high operational consistency.
- Wide Compatibility: Matches all RWU25-series linear guide rails; widely used in high-precision automation, semiconductor equipment, precision machine tools, and measuring instruments.
Suffix Explanation
- E: Standard linear recirculating roller bearing system.
- H: High, narrow carriage design.
- V3: Medium preload class (standard preload).
- G2: High accuracy class (precision grade).
