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Model: NACHI 2220 - Cylindrical hole self-aligning ball bearing>
Bearing Size
d = 100D = 180
B = 46
da(min) = 112
Da(max) = 168
ra(max) = 2
Mass = 4.98
Basic load rating: 94000
Rated static load: 38500
Limit speed（Grease lubrication）: 3100
Limit speed（Oil lubrication） 3700
