d - 17 mm

D - 30 mm

B - 14 mm

C - 13 mm

F - 22 mm

r_min - 0,3 mm

m - 40 g / Weight

C_r - 10000 N / Dynamic load rating (radial)

C_0r - 11000 N / Static load rating (radial)

C_ur - 2180 N / Fatigue limit load, radial

n_{G Fett} - 9000 1/min / Limiting speed for grease lubrication

dimension series 49, lip seal on one side

• Model Number: NA4903-RSR
• Inner Diameter：17mm Outer Diameter：30mm Width：14mm
• Type：Needle Roller Bearings
• Update date：2025-04-24
• Application:ventilation fans,Textile Accessories,electrocardiograph,security,blood cell reagent,Small air generators,industrial skin care,floor industry,pump,industry test,Sensors
• Similar models:CRAFT NA4903-2RS CX RNA4903 KOYO NA4903RS CX NA4903 IKO NA4903UU NTN RNA4903 KOYO RNA4903 CX NA4903-2RS KOYO NA4903,2RS SKF RNA4903.2RS
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903-RSR products，there is large inventory of INA NA4903-RSR . We has been built up long-term cooperation with INA company, could make a bulk order of the NA4903-RSR Which INA NA4903-RSR 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
  231/750R	750	1220	365	KOYO	Spherical Roller Bearings
  23134YM	170	280	88	Timken	Spherical Roller Bearings
  23938 K	190	260	52	ISB	Spherical Roller Bearings
  54230X	150	215	95,6	NSK	Thrust Ball Bearings
  62/22VV	22	50	14	NSK	Deep Groove Ball Bearings
  6316NSL	80	170	39	NACHI	Deep Groove Ball Bearings
  692	2	6	2,3	ISB	Deep Groove Ball Bearings
  7914CDT	70	100	16	CYSD	Angular Contact Ball Bearings
  FYT 40 TF/VA228	38,5	40	14	SKF	Bearing Units
  GE 035 ECR-2RS	35	55	25	ISO	Plain Bearings
  NN3040KC1NAP5	200	310	82	NTN	Cylindrical Roller Bearings
  RNA4007 V	46	62	27	ISO	Needle Roller Bearings
  N3252	260	480	174	CX	Cylindrical Roller Bearings
  NK7/12	14		12	FAG	NEEDLE BEARINGS
  SI30C	30		22	SKF	ROD ENDS
  KA020CPO	2.0000	2.5000	.2500	KAYDON	DEEP GROOVE BALL BEARINGS
  6317TCC78	85	180	41	SKF	DEEP GROOVE BALL BEARINGS
  6013NR	65	100	18	STEYR	DEEP GROOVE BALL BEARINGS
  IR-65x73x25	65		25	CONSOLIDATED	NEEDLE BEARINGS
  LS4565	45	65		CONSOLIDATED	THRUST NEEDLE BEARINGS