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Model: NACHI 7028CDF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 140D = 210
B = 33
a = 3.7
da1(min) = 148
da2(min) = 148
Da1(max) = 202
Da2(max) = 205
ra(max) = 2
ra1(max) = 1
Mass = 3.63
Basic load rating: 216000
Rated static load: 292000
Limit speed（Grease lubrication）: 3700
Limit speed（Oil lubrication）: 5000
