Designation / Symbol :3305 2RS / 3305-2RSR / 3305 DDU / 3305 LLU / 3305 LLB / 3305 EE / 3305 2RS = 5305 2RS / 5305 LLD / 5305 EE. Type Seals: rubber seal (2RS = LLU). Bearing play/clearance:Basic. Linear ball bearings, rollers, rails, trolleys, linear guides .
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