The Model List of can be replaced (Same Size,Different Accuracy Class and Preload): Size | Accuracy class | Part numbers for runner blocks | up to approx. 10 um clearance | Preload 0.02 C | Preload 0.08 C | Preload 0.13 C | 45 * | UP | - | R165141920 | R165142920 | R165143920 | SP | - | R165141120 | R165142120 | R165143120 | P | - | R165141220 | R165142220 | R165143220 | H | R165149320 | R165141320 | R165142320 | - | N | R165149420 | R165141420 | R165142420 | - |
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