d - 220 mm

F - 245 mm

D - 300 mm

B - 80 mm

C - 80 mm

r min. - 2,1 mm

s - 1,5 mm

da min. - 231 mm

Da max. - 289 mm

ra max. - 2 mm

Weight - 13,5 Kg

Basic dynamic load rating (C) - 525 kN

Basic static load rating (C0) - 1270 kN

(Grease) Lubrication Speed - 1 100 r/min

(Oil) Lubrication Speed - 1 600 r/min

• Model Number: NA4944
• Inner Diameter：220mm Outer Diameter：300mm Width：80mm
• Type：Needle Roller Bearings
• Update date：2025-12-09
• Application:Flame Cutting,engineering machinery,pipe fittings Steel industry,supporting facilities,hook,heating fans,Traffic Fire Protection Equipment Security equipment,machining,ultra-quiet generators,chamfering machine etc,plastic molding
• Similar models:CX NA4944 IKO RNA4944 NSK NA4944 CX RNA4944 NTN RNA4944 IKO NA4944 ISO RNA4944 NSK RNA4944 ISO NA4944 NTN NA4944
• BEARING POWER International Trading Co.,Ltd. specialize in NA4944 products，there is large inventory of NTN NA4944 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NA4944 Which NTN NA4944 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.

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  22210 EKW33+H310	45	90	23	ISB	Spherical Roller Bearings
  306P	30	72	19	Timken	Deep Groove Ball Bearings
  6206-2Z	30	62	16	MPZ	Deep Groove Ball Bearings
  6236	180	320	52	NSK	Deep Groove Ball Bearings
  ARXJ29.3X49X8.8	29,300	49,000	8,800	NTN	Needle Roller Bearings
  JTT-910	14.288	19.050	15.88	KOYO	Needle Roller Bearings
  K 60x68x30 - ZW	60	68		NBS	Needle Roller Bearings
  K17X22X20FH	17	23		KOYO	Needle Roller Bearings
  K40x44x13	40	44	13	ISO	Needle Roller Bearings
  NUP1021	105	160	26	ISO	Cylindrical Roller Bearings
  SL05 026 E	130	200	65	INA	Cylindrical Roller Bearings
  SS 61805	25	37	7	ISB	Deep Groove Ball Bearings
  UCPLE206	30			SNR	Bearing Units
  KM22			19	FAG	LOCKNUTS
  B10	1.9687	1.0625		INA	THRUST BALL BEARINGS
  B28	3.5937	2.1875		INA	THRUST BALL BEARINGS
  QJ1060MA	300	460	74	SKF	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  NUP328	140	300	62	STEYR	CYLINDRICAL ROLLER BEARINGS
  N311	55	120	29	STEYR	CYLINDRICAL ROLLER BEARINGS
  BDAB634223	30	62	17	SKF (Old No.)	ANGULAR CONTACT BALL SCREW SUPPORT BEARINGS