NTN Deep Groove Ball Bearings , 6040 Impact Socket Set Long for Automotive Bore Type Round Bore Diameter Charge Current A 50 Bore Type Round Bore Diameter 95 mm Outside Diameter 145 mm Overall Width 24 mm Closure Type Double Shielded Internal Clearance CN Operating Temperature Range 40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 15060 lbf Static Load Capacity 12100 lbf Precision Rating ISO Class 0 Seal Type None Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 24 50 12 30 110 2 27 4G MILL SEMD9912005130 12 R0 In addition to unsealed and unlubricated “open” bearings but a specially designed lip on the edge of the seal prevents foreign matter penetration