d - 17 mm

Fw - 22 mm

D - 30 mm

B - 18 mm

C - 18 mm

r min. - 0,3 mm

da min. - 19 mm

Da max. - 28 mm

ra max. - 0,3 mm

Weight - 0,055 Kg

Basic dynamic load rating (C) - 16,8 kN

Basic static load rating (C0) - 24,8 kN

(Grease) Lubrication Speed - 12000 r/min

(Oil) Lubrication Speed - 20000 r/min

• Model Number:NA5903
• Inner Diameter：17mm Outer Diameter：30mm Width：18mm
• Type：Needle Roller Bearings
• Update date：2025-12-12
• Application:Solenoid Valves,fruit and vegetable processing,squeeze machine etc,extruder,decoration machinery,other CNC,diagnostic test paper,Embroidery,lifting equipment Hoisting hoist,Handling machinery and various industrial machinery,switch
• Similar models:CX NA5903 IKO TAFI659035 NTN RNA5903 JNS NA5903 JNS RNA5903 ISO RNA5903 NSK RNA5903 KOYO NA5903 KOYO RNA5903 ISO NA5903
• BEARING POWER International Trading Co.,Ltd. specialize in NA5903 products，there is large inventory of NSK NA5903 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA5903 Which NSK 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
  131090/131152XP	90	152,4	68,5	Gamet	Tapered Roller Bearings
  2209	45	85	23	FBJ	Self-Aligning Ball Bearings
  62/28ZZNR	28,000	58,000	16,000	NTN	Deep Groove Ball Bearings
  7007CDLLBG/GNP42	35	62	14	NTN	Angular Contact Ball Bearings
  7030A5TRSU	150	225	35	NSK	Angular Contact Ball Bearings
  80FS120	80	120	45	Timken	Plain Bearings
  AST850SM 2410	24	27		AST	Plain Bearings
  EC-6210LLB	50	90	20	NTN	Deep Groove Ball Bearings
  EE542215/542290	546,1	736,6	76,2	NSK	Cylindrical Roller Bearings
  ESFCE210	50			SNR	Bearing Units
  HM903249/10	44,45	95,25	30,958	CX	Tapered Roller Bearings
  K89424M	120	250	133	SKF	Thrust Roller Bearings
  NF340	200	420	80	ISO	Cylindrical Roller Bearings
  NF417	85	210	52	KOYO	Cylindrical Roller Bearings
  VLA 20 0544 N	434	640,3		INA	Thrust Ball Bearings
  NF314	70	150	35	FAG	CYLINDRICAL ROLLER BEARINGS
  L1219U	95	170	32	Rollway	CYLINDRICAL ROLLER BEARINGS
  RLS-6-2RS	.7500	1.8750	.5625	SKF	DEEP GROOVE BALL BEARINGS
  51110				SNR	THRUST BALL BEARINGS
  122-KR	110	170	28	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS