d - 17 mm

F - 22 mm

D - 30 mm

B - 14 mm

C - 13 mm

r1 min. - 0,3 mm

r2 min. - 0,3 mm

da max - 19 mm

Da max. - 28 mm

ra max. - 0,3 mm

S - 0,5 mm

Weight - 0,04 Kg

Basic dynamic load rating (C) - 9,52 kN

Basic static load rating (C0) - 12,9 kN

Fatigue load limit (Pu) - 1,53

Reference speed - – r/min

Limiting speed - 9000 r/min

• Model Number:NA4903RS
• Inner Diameter：17mm Outer Diameter：30mm Width：14mm
• Type：Needle Roller Bearings
• Update date：2023-03-15
• Application:atomizer class,Industry,heating fans,medical equipment,metallurgy,machine lathe,forming machine,metal mold,multi-knife lathe,packaging machinery,milling head plug
• Similar models:INA RNA4903 INA RNA4903-2RSR NBS RNA49032RS IKO NA4903UU INA NA4903-2RSR SKF RNA4903 ISO RNA4903 INA NA4903-RSR KOYO NA4903,2RS NSK NA4903
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903RS products，there is large inventory of SKF NA4903RS . We has been built up long-term cooperation with SKF company, could make a bulk order of the NA4903RS Which SKF 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
  24780/24720	41.275	76.200	22.225	NACHI	Tapered Roller Bearings
  30319	95	200	49,5	NKE	Tapered Roller Bearings
  6216-Z	80	140	26	ISB	Deep Groove Ball Bearings
  7003 CD/HCP4AH	35	17	10	SKF	Angular Contact Ball Bearings
  7330BG	150,000	320,000	65,000	NTN	Angular Contact Ball Bearings
  GE 140 FW-2RS	140	230	130	INA	Plain Bearings
  GW 045	45	120	36,5	ISO	Plain Bearings
  F-204211.1	30	41	21	INA	Needle Roller Bearings
  FBN-101313	10	13		NSK	Needle Roller Bearings
  GE90-SW	90	140	30	INA	Plain Bearings
  HMK1820L	18	25	20	NTN	Needle Roller Bearings
  QJ 1244 N2MA	400	220	78	SKF	Angular Contact Ball Bearings
  L281149D/L281110+L281110EA	660,4	812,8	176,212	Timken	Tapered Roller Bearings
  NN4024	120	180	60	CX	Cylindrical Roller Bearings
  SE 625 ZZSTPR	5	16	5	KOYO	Deep Groove Ball Bearings
  567405	25	62	15	FAG	YOKE TYPE TRACK ROLLERS
  53434U				FAG	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  NKX40	52	40		INA	NEEDLE BEARINGS
  S-3505-2RSNR	25	52	.8125	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  80x120x13mm	80	120	13	CONSOLIDATED	OIL SEALS