d - 55 mm

F - 63 mm

D - 80 mm

B - 25 mm

C - 25 mm

r min. - 1 mm

da min. - 60 mm

Da max. - 70 mm

ra max. - 1 mm

Weight - 0,382 Kg

Basic dynamic load rating (C) - 33 kN

Basic static load rating (C0) - 65,5 kN

(Grease) Lubrication Speed - 4300 r/min

(Oil) Lubrication Speed - 6500 r/min

• Model Number: NA4911S
• Inner Diameter：55mm Outer Diameter：80mm Width：25mm
• Type：Needle Roller Bearings
• Update date：2025-04-22
• Application:other lathe,product accessories,beverage production,dynamic blood pressure,Embroidery,fabric products,machine lathe,industrial skin care,thread processing machine,tower crane,engine
• Similar models:JNS RNA4911 INA NA4911 INA RNA4911-XL NSK NA4911 JNS NA4911 NBS NA4911 Timken NA4911 IKO RNA4911U ISO RNA4911 AST RNA4911
• BEARING POWER International Trading Co.,Ltd. specialize in NA4911S products，there is large inventory of NTN NA4911S . We has been built up long-term cooperation with NTN company, could make a bulk order of the NA4911S Which NTN NA4911S 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
  6305 N	25	62	17	ISB	Deep Groove Ball Bearings
  7210DF	50	90	20	NACHI	Angular Contact Ball Bearings
  7311BDB	55	120	29	CYSD	Angular Contact Ball Bearings
  E30311J	55	120	31.5	NACHI	Tapered Roller Bearings
  F685-2Z	5	11	5	ZEN	Deep Groove Ball Bearings
  F8-16	8	16		AST	Thrust Ball Bearings
  GB40666.R02	44,985	84,065	39	SNR	Angular Contact Ball Bearings
  PNA22/44	22	44	20	INA	Needle Roller Bearings
  RNU2223	110,000	200,000	69,850	NTN	Cylindrical Roller Bearings
  SCE96	14,3	19,05	9,525	AST	Needle Roller Bearings
  UC321	105	225	112	CRAFT	Deep Groove Ball Bearings
  UCF216-50	79,375			FYH	Bearing Units
  UCT207-22E	34,925			KOYO	Bearing Units
  684hZZS	4	9	4	ISC	DEEP GROOVE BALL BEARINGS
  RL-15	1.8750	4.0000	.8125	FBC	SELF
  KBZ08	.5000	.8750	1.2500	INA	LINEAR RECIRCULATING BALL BEARINGS
  60RIN250	6.0000	12.0000	2.2500	Torrington	CYLINDRICAL ROLLER BEARINGS
  8603	17	47	.5511	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  RL-44	5.5000	9.5000	1.3750	CONSOLIDATED	SELF
  230/670	670	980	230	CONSOLIDATED	SPHERICAL ROLLER BEARINGS