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LM12UU Linear Bearing
| Dimension/Parameter | Symbol | Standard Value | Tolerance | Unit |
|---|---|---|---|---|
| Nominal Shaft Diameter | d | 12 | +0 / -0.008 | mm |
| Outer Diameter of Bearing | D | 21 | +0 / -0.015 | mm |
| Overall Length of Bearing | L | 30 | +0 / -0.1 | mm |
| Length of Inner Race | B | 21 | – | mm |
| Ball Pitch Circle Diameter | Dp | 16.5 | – | mm |
| Diameter of Steel Balls | Db | 2.0 | – | mm |
| Number of Steel Balls | Z | 12 | – | pcs |
| Number of Ball Rows | – | 3 | – | rows |
| Oil Hole Diameter | – | 1.5 | – | mm |
| Mounting Hole Spacing | – | 34 | – | mm |
| Static Load Rating | Cā | 14.7 | – | kN |
| Dynamic Load Rating | C | 21.6 | – | kN |
| Preload | Standard: No Preload; Optional: Light Preload | – | – | – |
| Approximate Weight | – | 0.028 | – | kg |
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