d - 105 mm

Fw - 117 mm

D - 145 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

Weight - 1,99 Kg

Basic dynamic load rating (C) - 161 kN

Basic static load rating (C0) - 315 kN

(Grease) Lubrication Speed - 3 800 r/min

(Oil) Lubrication Speed - 4 800 r/min

• Model Number:NNU 4921
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-12
• Application:food testing,glass processing machine,pneumatic,turret industry,Industrial,Infrared Technology,inorganic chemical,sterilizers,pump accessories,circulating pump,expectoration machine
• Similar models:NSK NNU4921 ISO NNU4921KV NSK RSF-4921E4 CX NNU4921 CX NN4921K ISO NN4921 CYSD NNU4921K/W33 NSK NNU4921MBKR KOYO NNU4921K NTN NN4921KC1NAP4
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921 products，there is large inventory of NSK NNU 4921 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NNU 4921 Which NSK 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
  05075/05185-B	19.05	47	14,381	Timken	Tapered Roller Bearings
  609-2RD	9	24	7	KOYO	Deep Groove Ball Bearings
  6418	90,000	225,000	54,000	NTN	Deep Groove Ball Bearings
  BK0709	7	11	9	SKF	Needle Roller Bearings
  EXFA207	35			SNR	Bearing Units
  GBR 283720	44,45	58,738	31,75	IKO	Needle Roller Bearings
  NN3036 K	180	280	74	CX	Cylindrical Roller Bearings
  N 307	35	80	21	SIGMA	Cylindrical Roller Bearings
  NU 426	130	285		NSK	Cylindrical Roller Bearings
  NUP2356 E	280	580	175	CX	Cylindrical Roller Bearings
  PSL 510-14	170	230	144	TMB	Cylindrical Roller Bearings
  SS 61910-2RS	50	72	12	ISB	Deep Groove Ball Bearings
  S61922	110	150	20	ZEN	Deep Groove Ball Bearings
  TPK1832L	18,1	31,6	2,8	KOYO	Needle Roller Bearings
  RM201/2L	3.7500	8.2500	1.7500	FAG	CYLINDRICAL ROLLER BEARINGS
  XW-21/4				INA	THRUST BALL BEARINGS
  61916	80	110	16	FAG	DEEP GROOVE BALL BEARINGS
  BU1220L	100	180	34	Hyatt	CYLINDRICAL ROLLER BEARINGS
  NF-228E	140	250	42	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  TWA-4458	2.7500	3.6250		CONSOLIDATED	THRUST NEEDLE BEARINGS