d - 55 mm

Fw - 63 mm

D - 80 mm

B - 25 mm

C - 25 mm

r5 min. - 1 mm

S - 2,5 mm

Weight - 0,426 Kg

Basic dynamic load rating (C) - 62 kN

Basic static load rating (C0) - 107 kN

(Grease) Lubrication Speed - 6900 r/min

(Oil) Lubrication Speed - 4500 r/min

• Model Number: NA4911
• Inner Diameter：55mm Outer Diameter：80mm Width：25mm
• Type：Needle Roller Bearings
• Update date：2025-12-11
• Application:ship special,supporting facilities,wall industry,Cylinder Standard,wire industry,textile machinery,Perfusion device,Spectrum Products,Flame Cutting,hydraulic pressure gauge,agriculture
• Similar models:KOYO RNA4911 IKO RNA4911U NTN NA4911S ISO RNA4911 INA RNA4911 NTN RNA4911R IKO RNA4911UU AST RNA4911 CRAFT NA4911 INA NA4911-XL
• BEARING POWER International Trading Co.,Ltd. specialize in NA4911 products，there is large inventory of KOYO NA4911 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NA4911 Which KOYO NA4911 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
  113060X/113101XC	60,325	101,6	25,4	Gamet	Tapered Roller Bearings
  22230CW33	150	270	73	AST	Spherical Roller Bearings
  30307C	35	80	22,75	NTN	Tapered Roller Bearings
  31322	110	240	63	ISO	Tapered Roller Bearings
  33021-N11CA	105	160	86	FAG	Tapered Roller Bearings
  9107PP	35	62	14	Timken	Deep Groove Ball Bearings
  DAC40720437	40	72,04	37	ISO	Angular Contact Ball Bearings
  NU 1964 ECMA	440	320	56	SKF	Thrust Ball Bearings
  RS-5017NR	85	130	60	NSK	Cylindrical Roller Bearings
  S2416	38,1	47,625	25,4	AST	Needle Roller Bearings
  1918HCDUL	90	125	18	Barden	ANGULAR CONTACT BALL BEARINGS
  95756	1.2500	1.8750	3.5000	Hyatt	JOURNAL ROLLER ASSEMBLIES
  RNNA6908	62		40	SKF (Old No.)	NEEDLE BEARINGS
  XWX608504.75	60	85		SKF (Old No.)	THRUST NEEDLE BEARINGS
  6002NR	15	32	9	SKF	DEEP GROOVE BALL BEARINGS
  NKI6/12	6	16	12	SKF	NEEDLE BEARINGS
  6209K.2RS	45	85	19	STEYR	DEEP GROOVE BALL BEARINGS
  250RU93	250	520	7.7500	Torrington	CYLINDRICAL ROLLER BEARINGS
  NU-1011	55	90	18	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  20312	60	130	31	CONSOLIDATED	SPHERICAL ROLLER BEARINGS