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Model: NACHI 7211DT - Angular contact ball bearing series (DT)>
Bearing Size
d = 55D = 100
B = 21
a = 11.9
da1(min) = 64
da2(min) = 60
Da1(max) = 91
Da2(max) = 94.6
ra(max) = 1.5
ra1(max) = 1
Mass = 0.635
Basic load rating: 83000
Rated static load: 79000
Limit speed（Grease lubrication）: 4500
Limit speed（Oil lubrication）: 6300
