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J57ltr · 09.29.2009, 12:27 AM

Longevity depends on care of the bearings. I have yet to see a Sealed bearing in the RC industry, they are sheilded. The reason would be because a real sealed bearing has contact with the inner race which causes a great amount of friction. The higher the ABEC number the tighter the tolerences are(usually for the better). The higher the ABEC number the closer tolerences have to be between the front and real bearing housing. As far as getting Ceramic or Hybrid to me it's not worth the extra money unless you are going for a land speed record.

Jeff

	(#3)
J57ltr RC-Monster Aluminum Offline Posts: 610 Join Date: Feb 2009 Location: Tomball/ Houston Tx.	09.29.2009, 12:27 AM Longevity depends on care of the bearings. I have yet to see a Sealed bearing in the RC industry, they are sheilded. The reason would be because a real sealed bearing has contact with the inner race which causes a great amount of friction. The higher the ABEC number the tighter the tolerences are(usually for the better). The higher the ABEC number the closer tolerences have to be between the front and real bearing housing. As far as getting Ceramic or Hybrid to me it's not worth the extra money unless you are going for a land speed record. Jeff The Warnings & Cautions discussed in this manual cant cover all possible conditions/situations. It must be understood that common sense and caution are factors which cant be built into this product.