Dimensiond (Inside) Bore50 mm D (Outside)90 mm B (Width)30.2 mm Cross Reference InterchangeSKF 2RS1 TORR PP FAA PP FAG 2RS NSK DDU NTN LLU Shield/Closure codes2NSCS (Two side rubber double contact seal) LubricationGreased– Wide Temperature Range: - 20 C to 140 C