Here is a New Old Stock Trupart Wheel Bearing Kit (for one side) complete with NTN Bearings, Oilseal & Grease for 

Opel

Ascona B 1.2, 1.6N, 1.6S, 1.9, 2.0, 2.0D 1975-80 (FRONT)

Ascona C 1.3, 1.6, 1.6D1.8i, 2.0i (not Estates) 1980-88 (REAR)

Calibra 2.0i (not 4x4) 1990 on (REAR)

Kadett C 1.0, 1.1, 1.2 (chassis no. 52696300 on) 1975-79 (FRONT)

Kadett D 1.0, 1.2, 1.3, 1.6, 1.6D, 1.8, 2.0 1980-84 (REAR)

Kadett E 1.0, 1.2, 1.3, 1.4, 1.6, 1.8, 2.0 1985-91 (REAR)

Kadett E 1.6D, 1.7D 1985-89 (REAR)

Manta B 1.2, 1.6N, 1.6S, 1.8, 1.9, 2.0 1975-89 (FRONT) models.