This INSERT BEARING has a Spherical Surface. Two Metal Shields, L3- Triple Lip Labyrinth Seal for extra Protection from Dust or any Possible Contamination. Bearing is Pre-Lubricated with High-Quality Grease ideal for use in High and Low-temperature settings. Has Groove and Oil Hole to Relubricate. Has Eccentric Locking Collar (Self-Locking Collar). - Specification: Item HC207-20 G, Series HC200, Outside Surface Shape Spherical, Inner Diameter Metric 31.750 mm, Inner Diameter Inch 1 1/4 in, Outside Diameter Matric 72.00 mm, Outside Diameter Inch 2.8346 in, Width with Collar Matric 51.10 mm, Width with Collar Inch 2.010 in, Width Inner Ring Matric 37.60 mm, Width Inner Ring Inch 1.480 in, Width Outer Ring Matric 19.00 mm, Width Outer Ring Inch 0.748 in, Dynamic Load Rating Cr 25500 N, Static Load Rating Cor 15300 N, Limiting Speed 5300 r/min, Clearance Normal, Closures L3- Triple Lip Labyrinth Seal, Lubrication Type Grease Shell RL2, Lubrication Temperature -20°C to +160°C, Rolling Element Indicator Ball, Material Gcr15, Locking Type Eccentric Locking, Collar Product Weight 0.610 KG.