Green Steel Bearings MGP 710
Steel is 52100 carbon, chromium (HRC 67).
Retainer is 6/6 Nylon + Trade secret special additive making it more resistant to breakage.
Pre-lubricated with Rx Lube Drops®, a low viscosity oil to reduce friction.
ABEC-7 rating .
Ball deviation grade 10.
Noise is under 31db.
Races are highly polished to a mirror finish + Optimal ball and raceway contact area and contact angle.
Shields are removable, non-contact rubber for zero friction and easy cleaning.
Limited warranty of 1 year.