Pulley bearings correspond in design to a sealed Double-row Angular Contact Bearing. Based on their function as Pulley Bearings the outer ring is reinforced.
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Shields ZR: sheet steel discs Seals RSR: made of nitrile rubber reinforced with an embedded steel disc Re-greasable through the inner ring Outer ring can be cylindrical or crowned
Contact seals provide excellent protection against the ingress of dirt, reduce wear on the raceways and ball surface, reduce noise, vibration and the danger of lubricant failure Accomodate radial and axial forces in both directions Transfer of tilting moment possible
Other bearing variants available on request: Outer and inner ring: diameter, width, threads etc. Contour options: crowned, gothic etc. Special seals