in a position below the head disk assembly, while others are built into the hub of the platters. The modern ones are usually all built into the hub because this takes up less space and thus allows for more platters to be built in. More platters equal more storage space. At times, the bearings on the hard drive seize for various reasons.Spindle motor replacement tool is mandatory to replace such bearings in order to recover the data. … “spindle motor” “data recovery tools” “data recovery …