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Model: NACHI 5209 - Open type double row angular contact ball bearings>
Bearing Size
d = 45D = 85
B = 30.2
da(min) = 52
Da(max) = 78
ra(max) = 1
Mass = 0.62
Basic load rating: 51000
Rated static load: 39000
Limit speed（Grease lubrication）: 5500
Limit speed（Oil lubrication）: 7500
