NTN 4T 30312 Single Row Tapered Roller Bearing, D=60mm Insulated Adjustable Wrench NTN Deep Groove Ball Bearings Size:8 1.25(OP08125) (x10 pack) NTN Deep Groove Ball Bearings 6813ZZ Bore Type Round Bore Diameter 45 mm Outside Diameter 58 mm Overall Width 7 mm Closure Type Double Shielded Row Type & Fill Slot Single Row Non Fill Slot Snap Ring Included Without Snap Ring Internal Clearance CN Operating Temperature Range 40 to 250 ºF Cage Type Pressed Dynamic Load Capacity 1330 lbf Static Load Capacity 1110 lbf Precision Rating ISO Class 0 Seal Type None Finish Coating Uncoated Bearing Material High Carbon Chrome Steel Cage Material Steel Inner Ring Width 7 Tapered roller bearings are designed so the tapered vertex of the raceway surfaces of the inner and outer rings and rollers converge at one point on the centerline of the bearing (see Fig the single row tapered roller bearings listed in the dimension tables have subunits standardized for both metric and inch systems (including J series)