d - 17 mm

Fw - 22 mm

D - 30 mm

B - 14 mm

C - 14 mm

Weight - 0,04 Kg

Basic dynamic load rating (C) - 9,52 kN

Basic static load rating (C0) - 12,9 kN

(Grease) Lubrication Speed - 9000 r/min

• Model Number: NA4903-2RS
• Inner Diameter：17mm Outer Diameter：30mm Width：14mm
• Type：Needle Roller Bearings
• Update date：2025-12-14
• Application:pump industry,power protection,orthodontic material,stacker lift platform,casting embedding,rock drilling machinery,printing equipment,Perfusion device,Antenna Potentials,relay,coupling type
• Similar models:KOYO RNA4903.2RS KOYO RNA4903 SKF RNA4903RS KOYO NA4903 NTN RNA4903LL JNS NA4903M IKO NA4903U INA NA4903-RSR ZEN RNA4903 SKF NA4903RS
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903-2RS products，there is large inventory of CX NA4903-2RS . We has been built up long-term cooperation with CX company, could make a bulk order of the NA4903-2RS Which CX NA4903-2RS 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
  71450/71750	114,3	190,5	47,625	ISO	Tapered Roller Bearings
  B35-133CG33	35	72	14	NSK	Deep Groove Ball Bearings
  44162/44348	41,275	88,5	25,4	CX	Tapered Roller Bearings
  6305/HR22T2	25	62	17	SKF	Deep Groove Ball Bearings
  635-2RZ	19	5	6	SKF	Deep Groove Ball Bearings
  BA 55 Z	7,938	12,7	7,92	IKO	Needle Roller Bearings
  EXFE214	70			SNR	Bearing Units
  HK202918	20	29	18	CRAFT	Needle Roller Bearings
  HM911244/HM911216	59,987	134,983	33,449	Fersa	Tapered Roller Bearings
  IJ123092			20,7	ILJIN	Angular Contact Ball Bearings
  NJ215R	75	130	25	KOYO	Cylindrical Roller Bearings
  S6004-2RS	20,000	42,000	12,000	SNR	Deep Groove Ball Bearings
  S7005 CD/HCP4A	47	25	12	SKF	Angular Contact Ball Bearings
  SR12-2Z	19,05	41,275	11,113	ZEN	Deep Groove Ball Bearings
  AHX3126	130	125		STEYR	WITHDRAWAL SLEEVES
  3238	340	190	55	New Departure	DEEP GROOVE BALL BEARINGS
  N256	280	500	80	SKF	CYLINDRICAL ROLLER BEARINGS
  6202.2Z	15	35	11	SKF	DEEP GROOVE BALL BEARINGS
  KD-300ARO	30.0000	31.0000	.5000	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  SSFYT-12	.7500			CONSOLIDATED	STAINLESS STEEL PILLOW BLOCKS