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Model: NACHI 51168 - One-way thrust ball bearing (Flatbackface)>
Bearing Size
d = 340D = 420
T = 64
r = 2
D1(min)= 344
d1(max) = 416
da(min) = 388
Da1(max) = 372
ra(max) = 2
Mass = 19.9
Basic load rating: 385000
Rated static load: 1860000
Limit speed（Grease lubrication）: 570
Limit speed（Oil lubrication） 850
