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Model: NACHI 7317BDF - Angular contact ball bearings (DF) face to face>
Bearing Size
d = 85D = 180
B = 41
a = 35.2
da1(min) = 99
da2(min) = 92
Da1(max) = 166
Da2(max) = 173
ra(max) = 2.5
ra1(max) = 1
Mass = 4.9
Basic load rating: 244000
Rated static load: 251000
Limit speed（Grease lubrication）: 2400
Limit speed（Oil lubrication）: 3200
