d - 17 mm

D - 30 mm

B - 14 mm

C - 13 mm

F - 22 mm

r_min - 0,3 mm

m - 40 g / Weight

C_r - 10000 N / Dynamic load rating (radial)

C_0r - 11000 N / Static load rating (radial)

C_ur - 2180 N / Fatigue limit load, radial

n_{G Fett} - 9000 1/min / Limiting speed for grease lubrication

dimension series 49, lip seals on both sides

• Model Number: NA4903-2RSR
• Inner Diameter：17mm Outer Diameter：30mm Width：14mm
• Type：Needle Roller Bearings
• Update date：2025-04-22
• Application:noise reduction equipment,food / grain / food equipment,spreader series,hydraulic control element,tube,Spectral Products,Machine tools,Laser Devices,wall industry,marine test,wheel lathe
• Similar models:KOYO NA4903RS JNS NA4903M CRAFT NA4903-2RS NBS RNA4903RS NSK NA4903 ISO NA4903-2RS KOYO RNA4903.2RS SKF RNA4903.2RS INA RNA4903-RSR NTN NA4903R
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903-2RSR products，there is large inventory of INA NA4903-2RSR . We has been built up long-term cooperation with INA company, could make a bulk order of the NA4903-2RSR Which INA NA4903-2RSR 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
  130RF30	130	187		Timken	Cylindrical Roller Bearings
  3387/3320-B	38,1	80,167	30,391	Timken	Tapered Roller Bearings
  6060	300	460	74	ISO	Deep Groove Ball Bearings
  61916	80	110	16	NKE	Deep Groove Ball Bearings
  659/652	76,2	152,4	41,275	KOYO	Tapered Roller Bearings
  6909	45	68	12	NTN	Deep Groove Ball Bearings
  7300DT	10	35	11	NACHI	Angular Contact Ball Bearings
  AST40 1008	10	12		AST	Plain Bearings
  NAU 4920	100	140	40	IKO	Cylindrical Roller Bearings
  NU 1044	220	340	56	NACHI	Cylindrical Roller Bearings
  NU244-E-M6	220	400	65	NKE	Cylindrical Roller Bearings
  PFT 40 WF	40			SKF	Bearing Units
  SBPP205-15	22,225		27	FYH	Bearing Units
  W210PP8	38,862	90	30,175	CYSD	Deep Groove Ball Bearings
  NANF204-12	.7500			IPTCI	PILLOW BLOCKS
  51418				RHP	THRUST BALL BEARINGS
  24132	160	270	109	Torrington	SPHERICAL ROLLER BEARINGS
  239/600	600	800	150	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  1658-2RS	1.3125	2.5625	.6875	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  HMV-96I			76	CONSOLIDATED	HYDRAULIC NUTS