d - 17 mm

Fw - 22 mm

D - 30 mm

B - 13 mm

C - 13 mm

r min. - 0,3 mm

da min. - 19 mm

Da max. - 28 mm

ra max. - 0,3 mm

Weight - 0,038 Kg

Basic dynamic load rating (C) - 11,6 kN

Basic static load rating (C0) - 15,4 kN

(Grease) Lubrication Speed - 12000 r/min

(Oil) Lubrication Speed - 20000 r/min

• Model Number:NA4903
• Inner Diameter：17mm Outer Diameter：30mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2023-03-06
• Application:light therapy instrument,medical equipment,ultra-quiet generators,Digital Generator,stamping die,vertical sawing machine,nail products,ventilator anesthesia machine etc,ventilation equipment,climb ladder,small appliances
• Similar models:MPZ NA4903 JNS NA4903UU JNS NA4903 CX NA4903-2RS JNS NA4903M NSK RNA4903TT ZEN RNA4903 JNS RNA4903M NBS RNA49032RS IKO NA4903
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903 products，there is large inventory of NSK NA4903 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA4903 Which NSK NA4903 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
  2215K	75	130	31	NACHI	Self-Aligning Ball Bearings
  2312	60	130	46	NSK	Self-Aligning Ball Bearings
  32016X/QDFC165	80	125	58	SKF	Tapered Roller Bearings
  562013/GNP5	65	100	44	NTN	Thrust Ball Bearings
  6308-2RS	40	90	23	CYSD	Deep Groove Ball Bearings
  709 ACD/P4AH	24	9	7	SKF	Angular Contact Ball Bearings
  89317	85,000	150,000	39,000	NTN	Thrust Ball Bearings
  K110x118x30	110	118	30	CX	Needle Roller Bearings
  NJ2206 E	30	62	20	CX	Cylindrical Roller Bearings
  NU2317-E-TVP2	85	180	60	FAG	Cylindrical Roller Bearings
  RMEO35	35			NKE	Bearing Units
  S6220	100	180	34	ZEN	Deep Groove Ball Bearings
  SQZ 18 C RS				ISB	Plain Bearings
  TAFI 608235	60	82	35	IKO	Needle Roller Bearings
  B3	1.3437	.6250		INA	THRUST BALL BEARINGS
  TAF91616	16		16	IKO	NEEDLE BEARINGS
  AS4060	40	60		INA	THRUST NEEDLE BEARINGS
  4896	1.3750	1.4375	1.0000	Hyatt	JOURNAL ROLLER BEARING OUTER RACES
  SCE97			.4375	INA	NEEDLE BEARINGS
  AH-3948x220	240	220		CONSOLIDATED	WITHDRAWAL SLEEVES