Main Spindle Bearings - NTN Global
2020-3-18 · 40˚, 30˚). These bearings are used in conjunction with NN30, NN49, or NNU49 series double-row cylindrical roller bearings (matched bearings must have the same bore and outside diameter). NTN Main Spindle Bearings 243 ... NTN Main Spindle Bearings 11
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