Bearings. Three deep-groove, anti-friction ball bearings shall be located outside the pumping chamber, which shall give support and proper alignment to the impeller shaft assembly. The bearings shall be oil or grease lubricated, completely separated from the water being pumped, and shall be protected by seal housings, flinger rings and oil seals.
Appears in 2 contracts
Sources: Agreement for Refurbishing a Fire Truck, Agreement of Sale for Fire Apparatus