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Model: NACHI 5211 - Open type double row angular contact ball bearings>
Bearing Size
d = 55D = 100
B = 33.3
da(min) = 64
Da(max) = 91
ra(max) = 1.5
Mass = 0.96
Basic load rating: 67500
Rated static load: 56500
Limit speed（Grease lubrication）: 4500
Limit speed（Oil lubrication）: 6300
