Calculating Spindle Bearing Grease Volume

rule of thumb has always been 30% i used to rebuild high speed spindles
 
Awesome! I spent some time looking at the SKF and NSK bearing tables and I figure they are close enough to my bearings that it wont matter. They recommend 30-35% fill.

Large bearing: 6.5mL free space, 2.28 mL grease volume

Small Bearing: 3.5mL free space, 1.23 mL grease volume

I will use the syringe to evenly distribute the grease and run them in slowly.
 
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