d - 17 mm

Fw - 22 mm

D - 30 mm

B - 18 mm

C - 18 mm

r min. - 0,3 mm

da min. - 19 mm

Da max. - 28 mm

ra max. - 0,3 mm

Weight - 0,055 Kg

Basic dynamic load rating (C) - 16,8 kN

Basic static load rating (C0) - 24,8 kN

(Grease) Lubrication Speed - 12000 r/min

(Oil) Lubrication Speed - 20000 r/min

• Model Number: NA5903
• Inner Diameter：17mm Outer Diameter：30mm Width：18mm
• Type：Needle Roller Bearings
• Update date：2025-12-10
• Application:Blood coagulation reagent,wall materials,Sensors,Broadcasting System,thin metal materials,shoe-making machinery,mathematical instruments,Body shaping,hydraulic pressure gauge,sawing machine,Film machine
• Similar models:NTN RNA5903 NSK RNA5903 NSK NA5903 CX RNA5903 ISO NA5903 JNS RNA5903 KOYO RNA5903 NTN NA5903 ISO RNA5903 KOYO NA5903
• BEARING POWER International Trading Co.,Ltd. specialize in NA5903 products，there is large inventory of NSK NA5903 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA5903 Which NSK NA5903 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.

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  30311	55	120	31,5	FBJ	Tapered Roller Bearings
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  NUP 1032	160	240	38	NACHI	Cylindrical Roller Bearings
  Q1092	460	680	100	ISO	Angular Contact Ball Bearings
  TSF.R 14	14			ISB	Plain Bearings
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  TLAM 59	5	9	9	IKO	Needle Roller Bearings
  TWC613	.3750	.8125		INA	THRUST NEEDLE BEARINGS
  RSL183028	140		53	INA	CYLINDRICAL ROLLER BEARING
  NK5/12	10		12	INA	NEEDLE BEARINGS
  D-212	60	110	3.8750	RBC	CYLINDRICAL ROLLER BEARINGS
  K-48x54x19	48	54	19	CONSOLIDATED	NEEDLE BEARINGS