d - 17 mm

F - 22 mm

D - 30 mm

B - 23 mm

C - 23 mm

r min. - 0,3 mm

da min. - 19 mm

da max - 21 mm

Da max. - 28 mm

Weight - 0,067 Kg

Basic dynamic load rating (C) - 20,8 kN

Basic static load rating (C0) - 32,5 kN

Limiting speed - 18 000 r/min

• Model Number: NA 6903
• Inner Diameter：17mm Outer Diameter：30mm Width：23mm
• Type：Needle Roller Bearings
• Update date：2025-04-19
• Application:static control,Dental Drill etc,stirrer,scientific instruments,Textile Industry Accessories and Accessories,glass,Switch,Dental Equipment,natural instruments,Oral Equipment,Performance test
• Similar models:NSK NA6903 CRAFT NA6903 Timken NA6903 CX NA6903 NSK NA6903TT ISO RNA6903 SKF NA6903 INA RNA6903-XL JNS NA6903UU NSK RNA6903TT
• BEARING POWER International Trading Co.,Ltd. specialize in NA6903 products，there is large inventory of JNS NA 6903 . We has been built up long-term cooperation with JNS company, could make a bulk order of the NA 6903 Which JNS NA6903 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
  23048 CC/W33	360	240	92	SKF	Spherical Roller Bearings
  6207-ZZ	35	72	17	ISB	Deep Groove Ball Bearings
  7410 BDF	50	130	62	ISO	Angular Contact Ball Bearings
  GEG25C	25	47	28	LS	Plain Bearings
  KB50100OP	50	75	100	CX	Linear Bearings
  KJ45X50X29.6	45,000	50,000		NTN	Needle Roller Bearings
  K40x46x17	40	46	17	ISO	Needle Roller Bearings
  L55249/10	292,1	374,65	47,625	CX	Tapered Roller Bearings
  M276449D/M276410/M276410DG2	536,575	761,873	558,8	NTN	Tapered Roller Bearings
  NAPK209-27	42,8625			KOYO	Bearing Units
  NU 324 ECP	260	120	55	SKF	Thrust Ball Bearings
  RT-747	177,8			SIGMA	Thrust Roller Bearings
  UCFA202	15			SNR	Bearing Units
  VE131810AB1	13	18	9,8	KOYO	Needle Roller Bearings
  218-R	90	160	30	MRC	ANGULAR CONTACT BALL BEARINGS
  TLAM4016	47		16	IKO	NEEDLE BEARINGS
  RNAO30x42x32	42		32	INA	NEEDLE BEARINGS
  314ZNR	70	150	35	SKF	DEEP GROOVE BALL BEARINGS
  CRL14	1.7500	3.7500	.8125	SKF	CYLINDRICAL ROLLER BEARINGS
  FY-25SD	25			CONSOLIDATED	PILLOW BLOCKS