d - 105 mm

Fw - 118 mm

D - 145 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

da min. - 111,5 mm

da max - 116 mm

Da max. - 138,5 mm

db min - 120 mm

ra max. - 1 mm

Weight - 2 Kg

Basic dynamic load rating (C) - 157 kN

Basic static load rating (C0) - 306 kN

(Grease) Lubrication Speed - 3900 r/min

(Oil) Lubrication Speed - 4600 r/min

• Model Number: NNU4921
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-04-22
• Application:tapered grinder,car instrument,molding machine,Traffic Fire Protection Equipment Security equipment,gantry processing,forklift industry,power tools,Die,Plastic molding,scientific instruments,car
• Similar models:NTN NN4921KC1NAP4 CX NN4921 ISO NNU4921 CX NNU4921V NTN NN4921C1NAP4 NSK NNU4921MB SKF NNU4921B/SPW33 ISB NNU4921K/SPW33 KOYO NNU4921K NTN NN4921
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921 products，there is large inventory of KOYO NNU4921 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NNU4921 Which KOYO NNU4921 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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