REXROTH R182122310 roller runner block carbon steel

^a) For O-ring: Size 25: Ø 5 · 1.5 (mm). Open the lube port if required. Please request instructions. For new designs, use the runner blocks for lubrication from above.
^b) Recommended position for pin holes (see general technical notes and information in the "Maintenance" section). Pre-drilled holes may be present at this position for manufacturing reasons. They are suitable for drilling out.
^c) Lube nipple, thread M6 – 8 deep: Connection is only possible on end-face. Dimensions differ among different connection pieces. See "Accessories" for more information about lube fittings.
^d) For guide rails of accuracy class H, this base area may be without a slot for manufacturing reasons.