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Model: NACHI 7209DT - Angular contact ball bearing series (DT)>
Bearing Size
d = 45D = 85
B = 19
a = 9.3
da1(min) = 52
da2(min) = 50
Da1(max) = 78
Da2(max) = 80
ra(max) = 1
ra1(max) = 0.6
Mass = 0.43
Basic load rating: 64500
Rated static load: 57500
Limit speed（Grease lubrication）: 5500
Limit speed（Oil lubrication）: 7500
