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Model: NACHI 7340DF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 200D = 420
B = 80
a = 49.5
da1(min) = 222
da2(min) = 210
Da1(max) = 398
Da2(max) = 410
ra(max) = 4
ra1(max) = 2
Mass = 53.7
Basic load rating: 770000
Rated static load: 1310000
Limit speed（Grease lubrication）: 1100
Limit speed（Oil lubrication）: 1400
