d - 105 mm

Fw - 118 mm

D - 145 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

Weight - 1,85 Kg

Basic dynamic load rating (C) - 161 kN

Basic static load rating (C0) - 325 kN

(Grease) Lubrication Speed - 6100 r/min

(Oil) Lubrication Speed - 7200 r/min

• Model Number:NNU4921
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:storage and transportation equipment,extruder,leather processing,municipal machinery,test laboratory equipment and accessories,vertical sawing machine,car instrument,Vertical pull,Chromatography Products,bio-chemical,ECG
• Similar models:NTN NN4921K NSK RS-4921E4 ISO NN4921K FAG NNU4921-S-M-SP NTN NNU4921KC1NAP4 NTN NNU4921 ISO NNU4921 NSK NNU4921MB ISO NNU4921KV NTN NN4921
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921 products，there is large inventory of NACHI NNU4921 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the NNU4921 Which NACHI 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
  05070X/05185-S	18	47	14,381	Timken	Tapered Roller Bearings
  626-2RS	6	19	6	ISB	Deep Groove Ball Bearings
  6984	420	560	65	NTN	Deep Groove Ball Bearings
  7021C	105	160	26	CYSD	Angular Contact Ball Bearings
  7208AC	40	80	18	NACHI	Angular Contact Ball Bearings
  7315 ADB	75	160	74	ISO	Angular Contact Ball Bearings
  EE 526130/526190	482,6	330,2	85,725	SKF	Tapered Roller Bearings
  GE 160 HCR-2RS	160	260	135	CX	Plain Bearings
  GIR 20 UK	20	35	16	INA	Plain Bearings
  LL584449/10	801,688	914,4	58,738	CX	Tapered Roller Bearings
  NK90/25R	90	110	25	NTN	Needle Roller Bearings
  NCF28/1000-V	1000	1165	128	NKE	Cylindrical Roller Bearings
  NK18/20	18	26	20	Timken	Needle Roller Bearings
  PF 25 TR	25		34,1	SKF	Bearing Units
  NNU4928SK.M.SP	140	190	50	FAG	CYLINDRICAL ROLLER BEARINGS
  TAF374730	47		30	IKO	NEEDLE BEARINGS
  361201R	12	35	10	SKF	YOKE TYPE TRACK ROLLERS
  CFM-6	.3750		.5000	Spherco	ROD ENDS
  NJ309E	45	100	25	STEYR	CYLINDRICAL ROLLER BEARINGS
  6106P	30	55	13	NH	DEEP GROOVE BALL BEARINGS