d - 200 mm

Fw - 223 mm

D - 280 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

da min. - 211 mm

da max - 219,5 mm

Da max. - 269 mm

db min - 228 mm

ra max. - 2 mm

Weight - 15,4 Kg

Basic dynamic load rating (C) - 509 kN

Basic static load rating (C0) - 1050 kN

(Grease) Lubrication Speed - 1900 r/min

(Oil) Lubrication Speed - 2300 r/min

• Model Number: NNU4940
• Inner Diameter：200mm Outer Diameter：280mm Width：80mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-17
• Application:non-motor vehicle Electric car,inorganic chemical,rolling mill roll neck and slowdown device,Sensors,Embroidery,ventilator anesthesia machine etc,Other Machine Tools,Vertical machining,machine tool spindle,power source,Medical equipment
• Similar models:KOYO DC4940VW NSK NNU4940K NBS SL024940 NSK NNCF4940V NACHI NNU4940K CX NNC4940V NKE NNC4940-V NTN NNU4940C1NAP5 KOYO NNU4940K CX NNU4940V
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4940 products，there is large inventory of KOYO NNU4940 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NNU4940 Which KOYO NNU4940 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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