This Bearing Has Two Rubber Seals (2RS), Connected to the Inner Ring to Protect the Bearing from Dust or any Possible Contamination. Bearing is Pre-Lubricated with High-Quality Grease ideal for use in High and Low-temperature settings (-30C to +180C) If your Application Requires a Ball Bearing with One Shield or Opened Without Shields, you can easily remove one or both Shields. - Specification: Item 6005-2RS, Bearing Type Deep groove ball bearing, Bore Diameter 25.00 mm, Outside Diameter 47.00 mm, Width 12.00 mm, Dynamic Load Rating Cr 11900 N, Static Load Rating Cor 6550 N, Limiting Speed 9500 r/min, Clearance Normal, Tolerance Classes P5, Cage Metal, Closures Seal on both sides, Lubrication Type Grease Chevron, Lubrication Temperature -30°C to +180°C, Rolling Element Indicator Ball, Material Gcr15, Product Weight 0.081 KG.