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Model: NACHI 7224BDF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 120D = 215
B = 40
a = 50.3
da1(min) = 132
da2(min) = 127
Da1(max) = 203
Da2(max) = 208
ra(max) = 2
ra1(max) = 1
Mass = 6.05
Basic load rating: 277000
Rated static load: 335000
Limit speed（Grease lubrication）: 1900
Limit speed（Oil lubrication）: 2500
