d - 220 mm

D - 300 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

da min. - 231 mm

Da max. - 289 mm

ra max. - 2 mm

Weight - 17 Kg

Basic dynamic load rating (C) - 695 kN

Basic static load rating (C0) - 1620 kN

(Grease) Lubrication Speed - 430 r/min

(Oil) Lubrication Speed - 850 r/min

• Model Number:RSF-4944E4
• Inner Diameter：220mm Outer Diameter：300mm Width：80mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-11
• Application:pneumatic Pump,surgical instruments,food sterilization,blood cell reagent,ECG,Anti-defibrillation pacing,motor,thread processing machine,product accessories,Chromatography Products,centrifugal pump
• Similar models:CYSD NNU4944K/W33 ISB NNU4944K/SPW33 NTN NN4944C1NAP4 NSK RS-4944E4 SKF NNC4944CV CYSD NNU4944/W33 CX NNU4944K CX NNCL4944V NTN NN4944K KOYO NNU4944K
• BEARING POWER International Trading Co.,Ltd. specialize in RSF-4944E4 products，there is large inventory of NSK RSF-4944E4 . We has been built up long-term cooperation with NSK company, could make a bulk order of the RSF-4944E4 Which NSK RSF-4944E4 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
  160KBE2701+L	160	270	140	NSK	Tapered Roller Bearings
  22318 K	90	190	64	ISB	Spherical Roller Bearings
  239/630-B-K-MB + H39/630-HG	600	850	165	FAG	Spherical Roller Bearings
  22264 KCW33+AH2264	320	580	150	ISO	Spherical Roller Bearings
  22314-E-K-W33+H2314	70	150	51	NKE	Spherical Roller Bearings
  3302	15	42	19	KOYO	Angular Contact Ball Bearings
  6206-2NSE	30	62	16	NACHI	Deep Groove Ball Bearings
  6553R/6535	85,725		63,83	KOYO	Tapered Roller Bearings
  AST850BM 4525	45	50		AST	Plain Bearings
  CX053				CX	Wheel Bearings
  HK1212	12	18	12	KOYO	Needle Roller Bearings
  NA0-80X110X152	80,000	110,000	152,000	NTN	Needle Roller Bearings
  NU317E	85	180	41	CYSD	Cylindrical Roller Bearings
  RNU 2307 ECP	80	46,2	31	SKF	Cylindrical Roller Bearings
  X30314/Y30314	70	150	38	Timken	Tapered Roller Bearings
  SL024916	80	110	30	INA	Cylindrical Roller Bearings
  UCTX11	55			FYH	Bearing Units
  1219MFF	95	170	32	FED	DEEP GROOVE BALL BEARINGS
  J-1812			.7500	Torrington	NEEDLE BEARINGS
  RA-206	30	2.4409	.7086	CONSOLIDATED	BALL BEARINGS