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Model: NACHI 1306 - Cylindrical hole self-aligning ball bearing>
Bearing Size
d = 30D = 72
B = 19
da(min) = 36.5
Da(max) = 65.5
ra(max) = 1
Mass = 0.387
Basic load rating: 21300
Rated static load: 6300
Limit speed（Grease lubrication）: 9000
Limit speed（Oil lubrication） 11000
