d - 17 mm

Fw - 22 mm

D - 30 mm

B - 14 mm

C - 13 mm

r5 min. - 0,3 mm

Weight - 0,044 Kg

Basic dynamic load rating (C) - 10,1 kN

Basic static load rating (C0) - 12,8 kN

(Grease) Lubrication Speed - 20000 r/min

• Model Number: NA4903RS
• Inner Diameter：17mm Outer Diameter：30mm Width：14mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:Hydraulic Equipment,sewage pump,Broadcasting System,spreader series,beverage production,labor insurance,machine tool spindle,water protection,lifting chain,journal lathe,internal combustion engine
• Similar models:IKO NA4903U INA RNA4903-2RSR JNS NA4903M CX NA4903 NTN NA4903LL NSK RNA4903 KOYO NA4903 INA NA4903-XL KOYO NA4903,2RS JNS RNA4903M
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903RS products，there is large inventory of KOYO NA4903RS . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NA4903RS Which KOYO NA4903RS 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
  29675/29624	69,85	114,3	27,78	Timken	Tapered Roller Bearings
  51111	55	78	16	NKE	Thrust Ball Bearings
  7221BDF	105	190	36	CYSD	Angular Contact Ball Bearings
  BNH 028	140	210	33	NACHI	Angular Contact Ball Bearings
  E33115J	75	125	37	NACHI	Tapered Roller Bearings
  GIKR 30 PW	30	55	37	INA	Plain Bearings
  HK5020	50	58	20	AST	Needle Roller Bearings
  LM501349/LM501311	41,275	73,431	23,012	Timken	Tapered Roller Bearings
  M236845/M236810	174,625	260,35	53,975	Timken	Tapered Roller Bearings
  N3856	280	350	52	CX	Cylindrical Roller Bearings
  NA4911R	55	80	25	NTN	Needle Roller Bearings
  NU 2307 ECP	80	35	31	SKF	Thrust Ball Bearings
  NUP 304 ECP	52	20	15	SKF	Thrust Ball Bearings
  NUP2308 E	40	90	33	CX	Cylindrical Roller Bearings
  SALKAC12M	12			SKF	Plain Bearings
  TA 1916 Z	19	27	16	IKO	Needle Roller Bearings
  6301K	12	37	12	FAG	DEEP GROOVE BALL BEARINGS
  61948M	240	320	38	FAG	DEEP GROOVE BALL BEARINGS
  32248	240	440	120	SKF	TAPERED ROLLER BEARINGS
  214	70	125	24	CONSOLIDATED	DEEP GROOVE BALL BEARINGS