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Model: NACHI 7020CDB - Angular contact ball bearings (DB) back to back>
Bearing Size
d = 100D = 150
B = 24
a = 2.4
da1(min) = 107
da2(min) = 107
Da1(max) = 143
Da2(max) = 145.6
ra(max) = 1.5
ra1(max) = 1
Mass = 1.37
Basic load rating: 123000
Rated static load: 156000
Limit speed（Grease lubrication）: 5100
Limit speed（Oil lubrication）: 7000
