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Model: NACHI 7311BDT - Angular contact ball bearing series (DT)>
Bearing Size
d = 55D = 120
B = 29
a = 22.3
da1(min) = 65
da2(min) = 61
Da1(max) = 110
Da2(max) = 114
ra(max) = 2
ra1(max) = 1
Mass = 1.45
Basic load rating: 132000
Rated static load: 116000
Limit speed（Grease lubrication）: 3500
Limit speed（Oil lubrication）: 5000
