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Model: NACHI 7220C - Single row angular contact ball bearings>
Bearing Size
d = 100D = 180
B = 34
a = -0.8
da1(min) = 112
da2(min) = 112
Da1(max) = 168
Da2(max) = 173
ra(max) = 2
ra1(max) = 1
Mass = 3.32
Basic load rating: 150000
Rated static load: 128000
Limit speed（Grease lubrication）: 5700
Limit speed（Oil lubrication）: 7900
