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Model: NACHI 7021CDF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 105D = 160
B = 26
a = 2.3
da1(min) = 113
da2(min) = 113
Da1(max) = 152
Da2(max) = 155
ra(max) = 2
ra1(max) = 1
Mass = 1.73
Basic load rating: 158000
Rated static load: 195000
Limit speed（Grease lubrication）: 4800
Limit speed（Oil lubrication）: 6600
