F_w - 22 mm

D - 30 mm

C - 13 mm

r_min - 0,3 mm

m - 22,2 g / Weight

C_r - 12400 N / Dynamic load rating (radial)

C_0r - 14600 N / Static load rating (radial)

C_ur - 2600 N / Fatigue limit load, radial

n_G - 20000 1/min / Limiting speed

n_B - 9900 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

• Model Number: RNA4903
• Inner Diameter：22mm Outer Diameter：30mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2025-04-19
• Application:directional control valve,wall materials,air purification,gear type,Handling machinery and various industrial machinery,Seals,Control,lifting equipment Hoisting hoist,Industry,Optical detection,blood cell reagent
• Similar models:IKO NA4903 NBS NA4903RS JNS NA4903UU NBS NA49032RS CX NA4903 SKF RNA4903.2RS NTN NA4903R NBS NA4903 JNS NA4903 NBS RNA4903
• BEARING POWER International Trading Co.,Ltd. specialize in RNA4903 products，there is large inventory of INA RNA4903 . We has been built up long-term cooperation with INA company, could make a bulk order of the RNA4903 Which INA RNA4903 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
  2315	75	160	55	SIGMA	Self-Aligning Ball Bearings
  22244RHA	220	400	108	KOYO	Spherical Roller Bearings
  23080RK	400	600	148	KOYO	Spherical Roller Bearings
  29685/29620	73,025	112,712	25,4	Timken	Tapered Roller Bearings
  6215ZENR	75	130	25	NACHI	Deep Groove Ball Bearings
  6310C	50,000	110,000	27,000	NTN	Deep Groove Ball Bearings
  713613450				FAG	Wheel Bearings
  ARZ 14 35 69	35	69	14	Timken	Needle Roller Bearings
  K 22x26x17	22	26		NBS	Needle Roller Bearings
  K17X23X13.8	17,000	23,000		NTN	Needle Roller Bearings
  SI 17 ES 2RS	17	30	14	ISB	Plain Bearings
  SL045017-PP	85	130	60	NBS	Cylindrical Roller Bearings
  UCP319	95			SNR	Bearing Units
  WB1630101	15,918	30	101,2	ISB	Deep Groove Ball Bearings
  NKI38/20	38	53	20	FAG	NEEDLE BEARINGS
  2903	35	18		INA	THRUST BALL BEARINGS
  FL694ZZA	4	11	4	NTN	DEEP GROOVE BALL BEARINGS
  6200NR	10	30	9	STEYR	DEEP GROOVE BALL BEARINGS
  PAPV26	3.2500	6.0000	1.0625	RIV	CYLINDRICAL ROLLER BEARINGS
  477207-104	1.2500	2.8346	.7480	CONSOLIDATED	PILLOW BLOCKS