Rod and buffer seals

SKF catalogue rod and buffer seals for hydraulic cylinders – 10 series, 2300 sizes, rod diameters from 3.18 to 1143 mm. Polyurethane U-cups: single-lip S1S made of ECOPUR, double-lip ZBR and SIL made of hydrolysis-resistant ether polyurethane, and U-cups with an NBR X-ring energiser – PTB (923 sizes) and STD for narrower grooves – all rated 350–400 bar. Hybrid seals: DZ with a primary NBR lip and secondary PU lip for low temperatures, and DZR with a PA back-up ring up to 690 bar.

Buffer seals: RBB in polyurethane with a POM or PA back-up ring, S9B in PU or bronze-filled PTFE up to 600 bar, and RSB in bronze-filled PTFE without axial movement. One product page = one series; choose the size as a variant by rod diameter. Delivery time and price are confirmed on request.