This INSERT BEARING has a Spherical Surface. Two Metal Shields 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. Has a Groove and Oil Hole to Relubricate. Has a Set Screw Lock on its surface for securing the shaft - Specification: Item SB205, Series SB200, Outer ring type Spherical, Bore Diameter Metric 25.00 mm, Bore Diameter Inch 0.984, in Outside Diameter Matric 52.00 mm, Outside Diameter Inch 2.0472 in, Width Inner Ring Matric 27.20 mm, Width Inner Ring Inch 1.071 in, Width Outer Ring Matric 15.00 mm, Width Outer Ring Inch 0.5906 in, Dynamic Load Rating Cr 14000 N, Static Load Rating Cor 7800 N, Limiting Speed 7000 r/min, Clearance Normal, Sealing type Contact standard, Lubrication Type Grease Shell RL2, Lubrication Temperature -20°C to +160°C, Rolling Element Indicator Ball, Material Gcr15, Locking Type Set Screw, Weight 0.140 KG.