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 an Oil Hole to Relubricate. Has a Set Screw Lock on its surface for securing the shaft. - Specification: Item UC204-12, Series UC200, Outer ring type Spherical, Bore Diameter Metric 19.05 mm, Bore Diameter Inch 3/4 in, Outside Diameter Metric 47.00 mm, Outside Diameter Inch 1.850 in, Width Inner Ring Metric 31.00 mm, Width Inner Ring Inch 1.220 in, Width Outer Ring Metric 14.00 mm, Width Outer Ring Inch 0.551 in, Dynamic Load Rating Cr 12700 N, Static Load Rating Cor 6700 N, Limiting Speed 6500 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 0.170 KG.