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：2025-12-17
• Application:Broadcasting System,machining,supporting facilities,internal combustion engine,historical instruments,Sensors,printing equipment,special broaching machine,electrocardiograph,casting embedding,trolley
• Similar models:CX NA4911 INA NA4911-XL CRAFT NA4911 Timken RNA4911 NBS RNA4911 NTN NA4911R ZEN RNA4911 NSK NA4911TT IKO RNA4911UU NSK RNA4911TT
• 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
  16143/16284-B	36,512	72,238	20,638	Timken	Tapered Roller Bearings
  22326-2CS5K/VT143	140	280	93	SKF	Spherical Roller Bearings
  23968 K	340	460	90	ISB	Spherical Roller Bearings
  36990/36920	227,012	177,8	30,162	SKF	Tapered Roller Bearings
  3800-2Z	10	19	7	ZEN	Angular Contact Ball Bearings
  4212A	60,000	110,000	28,000	SNR	Deep Groove Ball Bearings
  567S/563	71,438		36,17	KOYO	Tapered Roller Bearings
  6222N	110	200	38	NSK	Deep Groove Ball Bearings
  7056 ADF	280	420	130	ISO	Angular Contact Ball Bearings
  87608	40	90	27	SIGMA	Deep Groove Ball Bearings
  CRD-6125	305,079	500	200	NTN	Tapered Roller Bearings
  CSCU 075.2RS	190,5	209,55	12,7	INA	Deep Groove Ball Bearings
  EE420793/421437	201,612	365,049	92,075	Timken	Tapered Roller Bearings
  MRJ4	101,6	215,9	44,45	RHP	Cylindrical Roller Bearings
  NH248 E	240	440	72	CX	Cylindrical Roller Bearings
  NNCL 4832 CV	200	160	40	SKF	Cylindrical Roller Bearings
  SI17C	17		14	AST	Plain Bearings
  SY 1.1/8 TF	28,575			SKF	Bearing Units
  51172				SNR	THRUST BALL BEARINGS
  KF-60XPO	6.0000	7.5000	.7500	CONSOLIDATED	FOUR POINT ANGULAR CONTACT BALL BEARINGS