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：2025-12-16
• Application:other lathe,Storage Device,Digital Generator,Liposuction device,Forging machine,air shower etc,sheet industry,car steering pin,vacuum filter,chuck industry,other accessories
• Similar models:INA NA4903-XL Timken RNA4903.2RS IKO RNA4903 Timken NA4903 MPZ NA4903 IKO NA4903UU KOYO NA4903,2RS Timken RNA4903 JNS RNA4903M CRAFT NA4903-2RS
• 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
  240KBE030+L	240	360	115	NSK	Tapered Roller Bearings
  240RJ30	240	338		Timken	Cylindrical Roller Bearings
  61912-2RS	60	85	13	ISB	Deep Groove Ball Bearings
  6826NR	130	165	18	NSK	Deep Groove Ball Bearings
  E-H238148/H238110	174,625	311,15	82,55	NTN	Tapered Roller Bearings
  BS2-2214-2CS/VT143	70	125	38	SKF	Spherical Roller Bearings
  KT 182620	18	26		IKO	Needle Roller Bearings
  NU1022	110	170	28	NTN	Cylindrical Roller Bearings
  R22-2RS	34,925	63,5	14,288	CYSD	Deep Groove Ball Bearings
  UC319	95	200	103	NACHI	Deep Groove Ball Bearings
  NUTR4090DZ	40	90	32	FAG	NEEDLE BEARINGS
  32915	75	105	20	FAG	TAPERED ROLLER BEARINGS
  MR137	7	13	3	ISC	DEEP GROOVE BALL BEARINGS
  6002ZNR	15	32	9	FAG	DEEP GROOVE BALL BEARINGS
  SN607	30		60	SKF	PILLOW BLOCKS
  SAF316	3.6250	3.0000		Torrington	PILLOW BLOCKS
  SAF-538	7.0000			Torrington	PILLOW BLOCKS
  1907-RDU#7BKE	35	55	10	MRC	ANGULAR CONTACT BALL BEARINGS
  NU213E	65	120	23	Torrington	CYLINDRICAL ROLLER BEARINGS
  FT-11/4	1.2500	2.0625		RHP	THRUST BALL BEARINGS