The design of double row deep groove ball bearings is basically the same as that of single row deep groove ball bearings. The raceway with the shaft shape of the deep groove ball and the excellent fit between the raceway and the steel ball. In addition to bearing radial load, double row deep groove ball bearings can also bear axial load acting in two directions. Double row deep groove ball bearings are suitable for applications in a bearing configuration where the load capacity of a single row deep groove ball bearing is insufficient. For the double row deep groove ball bearings with the same outer diameter and inner diameter as the deep groove ball bearings, the width is larger, and the load capacity is much higher than the single row deep groove ball bearings of the 62 and 63 series. Double row deep groove ball bearings are fitted with two glass fiber reinforced nylon 66 cages. Deep groove ball bearings fitted with nylon cages can operate at temperatures up to 120 ° C.
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