Main Spindle Bearings - NTN
2018-5-25 · Main Spindle Bearings 258 Angular contact ball bearings for axial loads (steel ball type) HTA9 type Contact angle 40˚ d 100~320mm φD φdφd 1φD 2 2B 2a r r r 1 r 1 HTA920DB 100 140 36 1.1 0.6 47.0 1214 800 12 300 20.2 2 060 4 700 7 300
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