d - 17 mm

Fw - 22 mm

D - 30 mm

B - 13 mm

C - 13 mm

r5 min. - 0,3 mm

S - 1 mm

Weight - 0,04 Kg

Basic dynamic load rating (C) - 12,2 kN

Basic static load rating (C0) - 16,4 kN

(Grease) Lubrication Speed - 20000 r/min

(Oil) Lubrication Speed - 13000 r/min

• Model Number: NA4903
• Inner Diameter：17mm Outer Diameter：30mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2025-04-22
• Application:steam Hydraulic control element,orthodontic material,garbage disposal,forklift truck,spring industry,safety testing,glass processing machine,storage and transportation equipment,plastic molding,gas turbine,Cutting Machine
• Similar models:SKF NA4903RS NTN RNA4903L JNS RNA4903UU NTN NA4903LL NSK RNA4903 CX NA4903-2RS INA NA4903-RSR ISO RNA4903-2RS JNS RNA4903M IKO RNA4903
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903 products，there is large inventory of KOYO NA4903 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NA4903 Which KOYO NA4903 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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  30303	17	47	15,25	ISO	Tapered Roller Bearings
  351175 C	380	560	32	ISB	Thrust Roller Bearings
  47679/47620	76,2	133,35	33,338	FBJ	Tapered Roller Bearings
  49585/49520	50.800	101.600	31.750	NACHI	Tapered Roller Bearings
  55TNK29	55,000	82,000	16,000	NTN	Thrust Ball Bearings
  61814-2RS	70	90	10	ISO	Deep Groove Ball Bearings
  7001HTDF/GMP5	12	28	16	NTN	Angular Contact Ball Bearings
  7219	95	170	32	CYSD	Angular Contact Ball Bearings
  K89422-M	110	230		NBS	Thrust Roller Bearings
  NJ 224 E	120	215	40	NACHI	Cylindrical Roller Bearings
  NP220	100	180	34	ISO	Cylindrical Roller Bearings
  SE 608 ZZSTPR	8	22	7	KOYO	Deep Groove Ball Bearings
  SL014920	100	140	40	NBS	Cylindrical Roller Bearings
  UCFL311-32	50,8			FYH	Bearing Units
  NJA5904	20	37	23	FAG	NEEDLE BEARINGS
  GE25FO-2RS	25	47	28	ELGES	SPHERICAL PLAIN BEARINGS
  NU2264	320	580	150	SKF	CYLINDRICAL ROLLER BEARINGS
  51317				SKF	THRUST BALL BEARINGS
  6209-ZZ	45	85	19	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  KA-80CPO	8.0000	8.5000	.2500	CONSOLIDATED	DEEP GROOVE BALL BEARINGS