The cats Meow (
) is what is called a "Set 20" from Timken. Much better than an angular Ball bearing. The Set 20 has more load capacity (not a factor with our cars) and side thrust capacity (definately important for us). However they increase the track width by about a 1/4" per side because of the seal design. Go look at it (Set 20) if contemplating bearing replacement.
http://www.ebay.com/itm/Timken-SET20...ht_2680wt_1133
PS: I think it's best to have the wheels on the ground before tightening the knockoffs. Insted of having the shocks at full droop and absorbing the blows too.