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Model: NACHI 231/630EW33K - Tapered hole spherical roller bearing>
Bearing Size
d = 630D = 1030
B = 315
da(min) = 666
Da(max) = 994
ra(max) = 6
Mass = 1070
Basic load rating: 9700000
Rated static load: 19800000
Limit speed（Grease lubrication）: 190
Limit speed（Oil lubrication） 260
