d - 105 mm

D - 145 mm

B - 40 mm

C - 40 mm

Basic dynamic load rating (C) - 133 kN

Basic static load rating (C0) - 268 kN

(Grease) Lubrication Speed - 4100 r/min

(Oil) Lubrication Speed - 4800 r/min

• Model Number: NNU4921
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-15
• Application:Technical Equipment,Laser Devices,Insect Count,sample cup,spring industry,Anesthetic Equipment,Storage Device,Machine tool accessories,tooth filling,Broadcasting System,agricultural testing and analysis equipment and related
• Similar models:CX NNU4921K NSK NNU4921K ISO NNU4921V CX NN4921K ISB NNU4921K/SPW33 ISO NNU4921K ISO NN4921 CYSD NNU4921K/W33 NSK NNU4921MB ISO NNU4921KV
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921 products，there is large inventory of CX NNU4921 . We has been built up long-term cooperation with CX company, could make a bulk order of the NNU4921 Which CX 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  29420R	100	210	67	KOYO	Thrust Roller Bearings
  3230/500	500	720	167	NTN	Tapered Roller Bearings
  32972	360	480	76	NSK	Tapered Roller Bearings
  6016-ZZ	80	125	22	ISB	Deep Groove Ball Bearings
  61924M	120	165	22	CRAFT	Deep Groove Ball Bearings
  62201-2RS	12	32	14	ZEN	Deep Groove Ball Bearings
  B71913-C-2RSD-T-P4S	65	90	13	FAG	Angular Contact Ball Bearings
  B8-79	8	23	11	NSK	Deep Groove Ball Bearings
  E 275 7CE3	75	130	25	SNFA	Angular Contact Ball Bearings
  EE526130/526190	330,2	482,6	85,725	Timken	Tapered Roller Bearings
  GE240XT-2RS	240	340	140	LS	Plain Bearings
  K18x24x13	18	24		SKF	Needle Roller Bearings
  NK21/20	21	29	20	JNS	Needle Roller Bearings
  NA5924	120	165	60	NSK	Needle Roller Bearings
  NK14/16	14	22	16	KOYO	Needle Roller Bearings
  NNU 4938 K/SPW33	190	260	69	ISB	Cylindrical Roller Bearings
  NUP3230	150	270	96	ISO	Cylindrical Roller Bearings
  DPP35				RIV	THRUST BALL BEARINGS
  2220M	100	180	46	CONSOLIDATED	SELF
  54209-U				CONSOLIDATED	THRUST BALL BEARINGS WITH SPHERICAL SEATING RINGS