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Model: NACHI 5204AZZ - Both sides of dustproof double row angular contact ball bearing>
Bearing Size
d = 20D = 47
B = 20.6
da(min) = 26
Da(max) = 41
ra(max) = 1
Mass = 0.12
Basic load rating: 19000
Rated static load: 12100
Limit speed（Grease lubrication）: 9500
