d - 17 mm

F - 22 mm

D - 30 mm

B - 18 mm

C - 18 mm

r min. - 0,3 mm

s - 0,5 mm

da min. - 19 mm

Da max. - 28 mm

ra max. - 0,3 mm

Weight - 0,056 Kg

Basic dynamic load rating (C) - 15,2 kN

Basic static load rating (C0) - 21,7 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 18 000 r/min

• Model Number: NA5903
• Inner Diameter：17mm Outer Diameter：30mm Width：18mm
• Type：Needle Roller Bearings
• Update date：2025-04-23
• Application:scientific instruments,supporting facilities,security equipment,Reflective Materials Industrial fabrics,Oral Image,vertical processing,engineering machinery,preservation equipment,large agricultural machinery,intermediate,rubber products machinery and equipment
• Similar models:ISO NA5903 ISO RNA5903 NTN NA5903 CX NA5903 JNS RNA5903 IKO TAFI659035 NSK RNA5903 NSK NA5903 CX RNA5903 KOYO NA5903
• BEARING POWER International Trading Co.,Ltd. specialize in NA5903 products，there is large inventory of NTN NA5903 . We has been built up long-term cooperation with NTN company, could make a bulk order of the NA5903 Which NTN NA5903 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
  23220-E1-K-TVPB + AHX3220	95	180	60,3	FAG	Spherical Roller Bearings
  239752B	269	360	120	KOYO	Thrust Ball Bearings
  30310F	50	110	29,25	Fersa	Tapered Roller Bearings
  46356	280	460	146	KOYO	Tapered Roller Bearings
  6206-2Z-NR	30	62	16	NKE	Deep Groove Ball Bearings
  6310ZNR	50,000	110,000	27,000	NTN	Deep Groove Ball Bearings
  6905N	25	42	9	NACHI	Deep Groove Ball Bearings
  BPFL2	15			NACHI	Bearing Units
  EE911600/912400	406,4	609,6	92,075	KOYO	Tapered Roller Bearings
  FL606 ZZ	6	17	6	ISO	Deep Groove Ball Bearings
  IJ223078				ILJIN	Angular Contact Ball Bearings
  RNA4826	145	165	35	KOYO	Needle Roller Bearings
  NU1008	40	68	15	FBJ	Cylindrical Roller Bearings
  NU306ECP	30	72	19	SKF	Cylindrical Roller Bearings
  NUP2972	360	480	72	CX	Cylindrical Roller Bearings
  S7001 ACE/HCP4A	28	12	8	SKF	Angular Contact Ball Bearings
  1320M	100	215	47	FED	DEEP GROOVE BALL BEARINGS
  FPCG608	6.5000	8.5000	1.0000	SKF	DEEP GROOVE BALL BEARINGS
  19B	90	190	43	RIV	DEEP GROOVE BALL BEARINGS
  52415				CONSOLIDATED	THRUST BALL BEARINGS