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Model: NACHI 7310BDF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 50D = 110
B = 27
a = 20.1
da1(min) = 60
da2(min) = 56
Da1(max) = 100
Da2(max) = 104
ra(max) = 2
ra1(max) = 1
Mass = 1.14
Basic load rating: 114000
Rated static load: 98500
Limit speed（Grease lubrication）: 4000
Limit speed（Oil lubrication）: 5300
