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Model: NACHI 2221 - Cylindrical hole self-aligning ball bearing>
Bearing Size
d = 105D = 190
B = 50
da(min) = 117
Da(max) = 178
ra(max) = 2
Mass = 6.06
Basic load rating: 109000
Rated static load: 44500
Limit speed（Grease lubrication）: 2900
Limit speed（Oil lubrication） 3500
