Is it one of the Translucent Skyvas? We had one other person mention slipping binds so I looked into it and talked to Jeff - It looks like the gaps on the Translucent versions are about .5mm wider.
I wouldn't lube the bearing - Adjusting your bind or using a thicker string should solve the problem, but if you'd like to swap it out for a solid color we can arrange that (if you bought it from us that is
Ill make a note on the page about the gap difference. Future runs should be back to the original ~4.5mm gap width