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Model: NACHI 7217CDB - Angular contact ball bearings (DB) back to back>
Bearing Size
d = 85D = 150
B = 28
a = -0.4
da1(min) = 95
da2(min) = 95
Da1(max) = 140
Da2(max) = 144
ra(max) = 2
ra1(max) = 1
Mass = 1.87
Basic load rating: 163000
Rated static load: 170000
Limit speed（Grease lubrication）: 5400
Limit speed（Oil lubrication）: 7500
