80~225 2, 4, 6 20000 hours (B3 mounting) Grease for regreasable bearing 250~280 2 3000 hours 250~280 4, 6 8000 hours 315~355 2 2000 hours 315~355 4, 6 4000 hours Note: 1. If the coolant temperature is increase by 10K, the grease lifetime and regreasing interval are halved. 2. 2000 hours apply to horizontally installed motors with coupling ...
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