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Model: NACHI 7040DF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 200D = 310
B = 51
a = 48.1
da1(min) = 209
da2(min) = 209
Da1(max) = 301
Da2(max) = 304
ra(max) = 2
ra1(max) = 1
Mass = 13.8
Basic load rating: 365000
Rated static load: 565000
Limit speed（Grease lubrication）: 1300
Limit speed（Oil lubrication）: 1800
