d - 105 mm

Fw - 118 mm

D - 145 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

Weight - 1,91 Kg

Basic dynamic load rating (C) - 133 kN

Basic static load rating (C0) - 268 kN

(Grease) Lubrication Speed - 4 100 r/min

(Oil) Lubrication Speed - 4 800 r/min

• Model Number: NNU4921
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-15
• Application:tray industry,Storage Device,generator,Power equipment,food / grain / food equipment,ventilation heating equipment,Embroidery,lifting equipment Hoisting hoist,Pest Monitoring,magnetic elements,electric hydraulic lifting platform
• Similar models:ISO NNU4921K NTN NN4921KC1NAP4 NSK RS-4921E4 CX NNU4921KV ISB NNU4921K/SPW33 CYSD NNU4921/W33 NSK NNU4921MB NSK NN4921MB ISB NNU4921SPW33 CX NN4921
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921 products，there is large inventory of NTN NNU4921 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NNU4921 Which NTN 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
  23238 EKW33+AH3238	180	340	120	ISB	Spherical Roller Bearings
  2308	40	90	33	NSK	Self-Aligning Ball Bearings
  6018	90	140	24	FAG	Deep Groove Ball Bearings
  9380R/9320	76,2		46,038	KOYO	Tapered Roller Bearings
  B71919-E-T-P4S	95	130	18	FAG	Angular Contact Ball Bearings
  EGB0403-E40	4	5,5	3	INA	Plain Bearings
  KBS60125	60	90		NBS	Linear Bearings
  KT 253216	25	32		IKO	Needle Roller Bearings
  NU29/630	630	850	128	CX	Cylindrical Roller Bearings
  RNAF 607820	60	78	20	IKO	Needle Roller Bearings
  SDM10	10	19	22	KOYO	Linear Bearings
  E5038U	190	290	75	Rollway	CYLINDRICAL ROLLER BEARINGS
  231SM400MA	400	700	224	FAG	SPLIT SPHERICAL ROLLER BEARINGS
  C1821HCUL	105	130	13	Barden	ANGULAR CONTACT BALL BEARINGS
  CSXC075	7.5000	8.2500	.3750	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  RMS121/2	1.3750	3.5000	.8750	FBC	CYLINDRICAL ROLLER BEARINGS
  22336CCJA/VA405	180	380	126	SKF	SPHERICAL ROLLER BEARINGS
  EE-10	1.1250	2.1250	.3750	SKF	DEEP GROOVE BALL BEARINGS
  KRE-30-2RS	30		14	CONSOLIDATED	NEEDLE ROLLERS
  249/1000M	1000	1320	315	CONSOLIDATED	SPHERICAL ROLLER BEARINGS