It's 3,937 inches, 100 millimeters by 7,087 inches, 180 millimeters by 2,677 inches, 68 millimeters NSK 7220A5TRDUHP4 precision ball bearings.
3.937 Inch | 100 Millimeter x 7.087 Inch | 180 Millimeter x 2.677 Inch | 68 Millimeter  NSK 7220A5TRDUHP4  Precision Ball Bearings