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Model: NACHI 7313DF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 65D = 140
B = 33
a = 13.1
da1(min) = 77
da2(min) = 72
Da1(max) = 128
Da2(max) = 133
ra(max) = 2
ra1(max) = 1
Mass = 2.22
Basic load rating: 180000
Rated static load: 165000
Limit speed（Grease lubrication）: 3600
Limit speed（Oil lubrication）: 4700
