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Model: NACHI 2311K - Conical bore self-aligning ball bearing>
Bearing Size
d = 55D = 120
B = 43
da(min) = 64
Da(max) = 111
ra(max) = 2
Mass = 2.1
Basic load rating: 75300
Rated static load: 24000
Limit speed（Grease lubrication）: 4500
Limit speed（Oil lubrication） 5700
