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Model: NACHI 7012DB - Angular contact ball bearings (DB) back to back>
Bearing Size
d = 60D = 95
B = 18
a = 13.4
da1(min) = 66
da2(min) = 66
Da1(max) = 89
Da2(max) = 91
ra(max) = 1
ra1(max) = 0.6
Mass = 0.45
Basic load rating: 51500
Rated static load: 56000
Limit speed（Grease lubrication）: 4500
Limit speed（Oil lubrication）: 6200
