NACHI Deep Groove Ball Bearing, Series: 6300, 45 mm Bore, 100 mm OD, 1 Rows, 25 mm Width, Double Seal Closure, 53000 N Dynamic/32000 N Static Load, Steel Bearing, Buna-N Seal, Stamped Steel Cage, 4800 rpm Grease/8200 rpm Oil Maximum, 250 deg F