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Model: NACHI 7022DB - Angular contact ball bearings (DB) back to back>
Bearing Size
d = 110D = 170
B = 28
a = 26.2
da1(min) = 118
da2(min) = 118
Da1(max) = 162
Da2(max) = 165
ra(max) = 2
ra1(max) = 1
Mass = 2.14
Basic load rating: 149000
Rated static load: 185000
Limit speed（Grease lubrication）: 2500
Limit speed（Oil lubrication）: 3300
