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Model: NACHI 7221CDT - Angular contact ball bearing series (DT)>
Bearing Size
d = 105D = 190
B = 36
a = -0.9
da1(min) = 117
da2(min) = 117
Da1(max) = 178
Da2(max) = 183
ra(max) = 2
ra1(max) = 1
Mass = 3.93
Basic load rating: 265000
Rated static load: 287000
Limit speed（Grease lubrication）: 4300
Limit speed（Oil lubrication）: 6000
