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Model: NACHI 7315DF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 75D = 160
B = 37
a = 15.4
da1(min) = 87
da2(min) = 82
Da1(max) = 148
Da2(max) = 153
ra(max) = 2
ra1(max) = 1
Mass = 3.15
Basic load rating: 221000
Rated static load: 212000
Limit speed（Grease lubrication）: 3000
Limit speed（Oil lubrication）: 4000
