d - 320 mm

D - 449,5 mm

B - 56 mm

C - 56 mm

a - 189,5 mm

r min. - 3 mm

r1 min. - 1,1 mm

Weight - 27,4 Kg

Basic dynamic load rating (C) - 318 kN

Basic static load rating (C0) - 513 kN

• Model Number: AC644556B
• Inner Diameter：320mm Outer Diameter：449,5mm Width：56mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-17
• Application:medical equipment,car,Cylinder Standard,small diesel generators,Ball screw,sanitation facilities,atomizer class,set bacteria instrument,Switch,Storage Tool,medical Equipment
• Similar models:KOYO AC644556B
• BEARING POWER International Trading Co.,Ltd. specialize in AC644556B products，there is large inventory of KOYO AC644556B . We has been built up long-term cooperation with KOYO company, could make a bulk order of the AC644556B Which KOYO AC644556B is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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