d - 17 mm

Fw - 22 mm

D - 30 mm

B - 13 mm

C - 13 mm

r min. - 0,3 mm

S - 0,5 mm

Weight - 0,037 Kg

Basic dynamic load rating (C) - 12,4 kN

Basic static load rating (C0) - 14,6 kN

Fatigue load limit (Pu) - 2,6

Reference speed - 12 000 r/min

Limiting speed - 21 000 r/min

• Model Number:NA4903-XL
• Inner Diameter：17mm Outer Diameter：30mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:cooling system,key lock,Processing machinery,test equipment,,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Optical detection,packaging machinery,Security Equipment,small appliances,Laser Devices
• Similar models:ZEN RNA4903 AST RNA4903 INA RNA4903-2RSR CX NA4903 CX RNA4903 NBS NA4903 JNS RNA4903UU SKF RNA4903.2RS ISO NA4903-2RS NSK RNA4903
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903-XL products，there is large inventory of INA NA4903-XL . We has been built up long-term cooperation with INA company, could make a bulk order of the NA4903-XL Which INA NA4903-XL 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
  A 5232 WB	160	290	98,425	SIGMA	Cylindrical Roller Bearings
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  GE 140 ES	140	210	90	CX	Plain Bearings
  BR1934	19.05	34.15	6.35	KBC	Deep Groove Ball Bearings
  NA 4908	40	62	22	JNS	Needle Roller Bearings
  NJ 18/1180 ECMA	1420	1180	106	SKF	Thrust Ball Bearings
  NJ5213	65	120	38,1	CX	Cylindrical Roller Bearings
  NN3008	40	61	21	NACHI	Cylindrical Roller Bearings
  NU 1036	180	280	46	NACHI	Cylindrical Roller Bearings
  SL014926	130	180	50	ISO	Cylindrical Roller Bearings
  TL22330CAKE4	150	320	108	NSK	Spherical Roller Bearings
  6222K	110	200	38	FAG	DEEP GROOVE BALL BEARINGS
  29360E.MB	300	480		FAG	SPHERICAL ROLLERTHRUST BEARINGS
  L-205	25	52	15	FAF	SELF
  RSTO15	35		11.8	FAG	NEEDLE BEARINGS
  RSL183006	30		19	INA	CYLINDRICAL ROLLER BEARING
  NBI8011035	80	110	35	NADELLA	NEEDLE BEARINGS
  W-33/4				CONSOLIDATED	THRUST BALL BEARINGS
  10x24x7mm	10	24	7	CONSOLIDATED	OIL SEALS
  A-5318WB	90	190	2.8750	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS