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Model: NACHI 7306CDF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 30D = 72
B = 19
a = -3.6
da1(min) = 37
da2(min) = 37
Da1(max) = 65
Da2(max) = 67
ra(max) = 1
ra1(max) = 0.6
Mass = 0.36
Basic load rating: 52500
Rated static load: 40500
Limit speed（Grease lubrication）: 13000
Limit speed（Oil lubrication）: 18000
