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Model: NACHI 7212DB - Angular contact ball bearings (DB) back to back>
Bearing Size
d = 60D = 110
B = 22
a = 13.5
da1(min) = 69
da2(min) = 65
Da1(max) = 101
Da2(max) = 104.6
ra(max) = 1.5
ra1(max) = 1
Mass = 0.82
Basic load rating: 100000
Rated static load: 97500
Limit speed（Grease lubrication）: 4300
Limit speed（Oil lubrication）: 5600
