d - 220 mm

Fw - 244 mm

D - 300 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

da min. - 231 mm

da max - 241 mm

Da max. - 289 mm

db min - 248 mm

ra max. - 2 mm

Weight - 16,7 Kg

Basic dynamic load rating (C) - 561 kN

Basic static load rating (C0) - 1220 kN

(Grease) Lubrication Speed - 1700 r/min

(Oil) Lubrication Speed - 2000 r/min

• Model Number: NNU4944
• Inner Diameter：220mm Outer Diameter：300mm Width：80mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-15
• Application:test laboratory equipment and accessories,Industrial,plastic molding,tray industry,Ball screw,fabric products,lifting equipment Hoisting hoist,Medical printer,Processing machinery,labor insurance,Surveying Surveying Instruments
• Similar models:CX NNC4944V KOYO NNU4944K CX NN4944K ISB NNU4944K/SPW33 NACHI RB4944 NTN NNUP4944D1C2P5 NTN NNU4944KC1NAP5 ISO NNC4944V CX NNU4944K KOYO DC4944AVW
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4944 products，there is large inventory of KOYO NNU4944 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NNU4944 Which KOYO NNU4944 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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