Headset Bearing P16

From Kinetic:

Inner x Outer x Depth (mm): 40 x 52 x 7
Inch Dia: 1-1/2”
Angle / Chamfer (Deg): 45 / 45
Bearing ID: 40.00mm
Bearing OD: 52.00mm
Bearing Thickness: 7.0mm
Internal Angle: 45 Degrees
External Angle: 45 Degrees
Material: Bearing Steel
Grease: Mobil XHP-222 or SINOPEC HTHS Bearing Grease
Seal: Double-sealed 2RS
Material: Chrome Steel 100Cr6 (Race & Balls)
Cage Material: Nylon PA66
Used On: FSA Orbit, Specialized
Equivalent Part Ref: TH-070, MR128, MR170, PT-R413, AC4052 R1, Cane Creek BAA1161