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Most of the RC hobby users are testing bearings by spinning bearings in hand, maybe because they have skateboarded or inline skated before, when you test bearings by spinning them with your finger you only get one result, the result is for how free spinning is your bearings. This test can be right for skating, since the skate energy comes from you as a human being. And that's why all skate bearings are usually not lubricated with grease, in fact some of them come dry (with not even oil) .

As for the RC, the bearings are powered by motor (either electric or engine) and in both ways you cannot vision the friction associated except with the generate heat, the less the friction the less the heat generated and the more the nsk bearing life span, and of course the more the friction the more the heat generated and the less the bearing span, here is the factors that decrease/increase friction.

1- ABEC rating, the more the ABEC rating, the less friction you will get

2- Material of rings/balls/balls retainer, the less friction material will create less friction

3- lubricant usage, the better lubricant the less friction

SRG bearing is a specialized manufacturer of [rc bearings] ,rc car bearing,rc bearings,bearing for rc,rc one way bearing,bearings for rc,rc ball bearings,rc car bearings,rc ball bearing,rc ceramic bearings,rc wheel bearings.

RC Brushless Motor Ceramic Lightning bearing kits have ABEC #5 tolerances, stainless steel races, retainers and shields with ceramic balls. Ceramic hybrids are lighter, have less rolling resistance and can sustain higher operating temperatures than traditional bearings. All Ceramic Lightning bearings are packed in grease and will require a short break in period to loosen up. Grease can be removed before shipping upon request.

The Boca Bearing Company is capable of supplying after market bearings for those RC Brushless Motor manufacturers listed below. If you don't see your specific model listed after you click on the manufacturer name, please fill out our Kit Info Reward form. We are willing to give you additional discount or a reward for helping us identify new information or where exactly in your application each bearing is used.

The SRG Bearing Company has been an innovator in the RC bearing market since 1987. Since then the Boca Bearing name has become synonymous with top of the line, high grade, precision RC bearings. Our RC Bearing Catalogs make it very easy for you to locate exactly the iko bearings you need for your RC Car, Truck, Heli, Engine or Brushless Motor. If you do not see your exact Make & Model listed we are happy to give you an extra discount for getting the informaiton into our database. 

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7203 DEP

LBCR 12A 2 LC