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Model: NACHI 51164 - One-way thrust ball bearing (Flatbackface)>
Bearing Size
d = 320D = 400
T = 63
r = 2
D1(min)= 324
d1(max) = 396
da(min) = 368
Da1(max) = 352
ra(max) = 2
Mass = 18.5
Basic load rating: 380000
Rated static load: 1760000
Limit speed（Grease lubrication）: 590
Limit speed（Oil lubrication） 880
