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：2025-12-15
• Application:clean stationery,engine,experimental equipment,defogging and degreasing,lifting equipment Hoisting hoist,impression material,industrial equipment,container finishing,lifting chain,Technical Equipment,Cylinder Micro
• Similar models:NTN RNA4903 INA RNA4903 ZEN RNA4903 NTN RNA4903L NTN NA4903L INA RNA4903-XL IKO NA4903UU CX RNA4903 KOYO RNA4903 IKO NA4903U
• 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
  24128 K30CW33+AH24128	140	225	85	CX	Spherical Roller Bearings
  3000-2RS	10	26	12	ISO	Angular Contact Ball Bearings
  54322X	110	190	118,4	NSK	Thrust Ball Bearings
  6230	150	270	45	SIGMA	Deep Groove Ball Bearings
  6304N	20	52	15	KOYO	Deep Groove Ball Bearings
  6960	300	420	56	NACHI	Deep Groove Ball Bearings
  AST11 WC28	26	48		AST	Plain Bearings
  GBR 324116	50,8	65,088	25,4	IKO	Needle Roller Bearings
  LBBR 50	50	62	70	SKF	Linear Bearings
  NUP3240	200	360	128	CX	Cylindrical Roller Bearings
  RSL182328-A	140	264,447	102	INA	Cylindrical Roller Bearings
  UCF205-16	25,4			FYH	Bearing Units
  X32316/Y32316	80	170	61,5	Timken	Tapered Roller Bearings
  NUP2305	25	62	24	SKF	CYLINDRICAL ROLLER BEARINGS
  RNAF55x68x20	68		20	FAG (Old No.)	NEEDLE BEARINGS
  SAT50	50	130	33.5	NTN	SPHERICAL PLAIN BEARINGS
  GE-280UK-2RS	280	400	155	INA	SPHERICAL PLAIN BEARINGS
  3L03	17	35	10	New Departure	DEEP GROOVE BALL BEARINGS
  RMS-27	9.0000	17.0000	3.0000	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  231SM220	220	400	128	CONSOLIDATED	SPLIT SPHERICAL ROLLER BEARINGS