d - 17 mm

F - 22 mm

D - 30 mm

B - 23 mm

C - 23 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 - 1 mm

Weight - 0,072 Kg

Basic dynamic load rating (C) - 18,7 kN

Basic static load rating (C0) - 30,5 kN

Fatigue load limit (Pu) - 3,75

Reference speed - 18000 r/min

Limiting speed - 20000 r/min

• Model Number: NA6903
• Inner Diameter：17mm Outer Diameter：30mm Width：23mm
• Type：Needle Roller Bearings
• Update date：2025-12-13
• Application:animal anatomy,non-motor vehicle Electric car,Anesthetic Equipment,Embroidery,glass processing machine,beverage production,Hydraulic Press,electric pump,Industrial,medical equipment,sawing machine
• Similar models:NBS NA6903 IKO RNA6903UU KOYO NA6903 NSK RNA6903TT JNS RNA6903 Timken RNA6903 ISO NA6903 CRAFT NA6903 KOYO RNA6903 JNS NA6903
• BEARING POWER International Trading Co.,Ltd. specialize in NA6903 products，there is large inventory of SKF NA6903 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NA6903 Which SKF 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
  1307	35	80	21	NACHI	Self-Aligning Ball Bearings
  22207-2RS	35	72	28	ISB	Spherical Roller Bearings
  22210CKW33	50	90	23	AST	Spherical Roller Bearings
  4R10201	510,000	670,000	320,000	NTN	Cylindrical Roller Bearings
  6010/HR22T2	50	80	16	SKF	Deep Groove Ball Bearings
  6807-2NSE	35	47	7	NACHI	Deep Groove Ball Bearings
  7221	105	190	36	KOYO	Angular Contact Ball Bearings
  FYR 3 11/16	93,662	152,4	88,9	SKF	Bearing Units
  GE40ES-2RS	40	62	28	CRAFT	Plain Bearings
  HMK1525	15	22	25	NTN	Needle Roller Bearings
  K81111TN	55	78		NBS	Thrust Roller Bearings
  NAF 72012	7	20	12	JNS	Needle Roller Bearings
  NU2218EG15	90,000	160,000	40,000	SNR	Cylindrical Roller Bearings
  NUH 2224 ECMH	215	120	58	SKF	Cylindrical Roller Bearings
  SS 6303-ZZ	17	47	14	ISB	Deep Groove Ball Bearings
  200540	1.2500	1.8750	2.5000	BAL	JOURNAL ROLLER ASSEMBLIES
  NK26/16	34		16	INA	NEEDLE BEARINGS
  6013.2RSNR	65	100	18	STEYR	DEEP GROOVE BALL BEARINGS
  HJ-1005	25		3	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  42x52x4mm	42	52	4	CONSOLIDATED	OIL SEALS