日本NOK密封圈AC2847E0(SC50689)/AC2847F3 日本NOK密封圈AC2847E0(SC50689)/AC2847F3 日本NOK密封圈AC2847E0(SC50689)/AC2847F3 日本NOK密封圈AC2847E0(SC50689)/AC2847F3 Sliding Surface Axis Housing Groove No Sealing Subject Liquid Lubricant Operating Temperature Range(°C) -30～100 Adhesive Material Nitrile Rubber Seal Rim Area Material Rubber (Has Metal Ring) Shaft Diameter d(Ø) 50 Attaching Method From only the shaft end Two Liquids Separation No Environment, Applications Abrasion Resistant Dust Lip No Outer Diameter D(φ) 68 Width b(mm) 9 Pressure Resistance Limit(MPa) 0.03