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Model: NACHI 21306EK - Tapered hole spherical roller bearing>
Bearing Size
d = 30D = 72
B = 19
da(min) = 38
Da(max) = 65
ra(max) = 1
Mass = 0.48
Basic load rating: 59500
Rated static load: 62500
Limit speed（Grease lubrication）: 5300
Limit speed（Oil lubrication） 6600
