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Model: NACHI 7203DF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 17D = 40
B = 12
a = 2.2
da1(min) = 22
da2(min) = 19
Da1(max) = 35
Da2(max) = 37.4
ra(max) = 0.6
ra1(max) = 0.3
Mass = 0.07
Basic load rating: 19400
Rated static load: 13200
Limit speed（Grease lubrication）: 13000
Limit speed（Oil lubrication）: 17000
