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Model: NACHI 51156 - One-way thrust ball bearing (Flatbackface)>
Bearing Size
d = 280D = 350
T = 53
r = 1.5
D1(min)= 283
d1(max) = 347
da(min) = 322
Da1(max) = 308
ra(max) = 1.5
Mass = 12
Basic load rating: 315000
Rated static load: 1350000
Limit speed（Grease lubrication）: 700
Limit speed（Oil lubrication） 1000
