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Model: NACHI 7236BDF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 180D = 320
B = 52
a = 48.9
da1(min) = 198
da2(min) = 189
Da1(max) = 302
Da2(max) = 311
ra(max) = 3
ra1(max) = 1.5
Mass = 19.9
Basic load rating: 425000
Rated static load: 660000
Limit speed（Grease lubrication）: 1200
Limit speed（Oil lubrication）: 1700
