d - 17 mm

F - 22 mm

D - 30 mm

B - 23 mm

C - 23 mm

r min. - 0,3 mm

s - 1 mm

da min. - 19 mm

Da max. - 28 mm

ra max. - 0,3 mm

Weight - 0,069 Kg

Basic dynamic load rating (C) - 18,2 kN

Basic static load rating (C0) - 27,2 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 18 000 r/min

• Model Number: NA6903R
• Inner Diameter：17mm Outer Diameter：30mm Width：23mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:non-motor vehicle Electric car,Body shaping,stirrer,Roller,key lock,hydraulic pressure gauge,Solenoid Valves,plastic molding,relay,vertical sawing machine,Sensors
• Similar models:IKO RNA6903 SKF NA6903 JNS RNA6903UU INA NA6903 INA RNA6903-XL NSK RNA6903 IKO RNA6903U CX RNA6903 NBS RNA6903 ZEN RNA6903
• BEARING POWER International Trading Co.,Ltd. specialize in NA6903R products，there is large inventory of NTN NA6903R . We has been built up long-term cooperation with NTN company, could make a bulk order of the NA6903R Which NTN NA6903R 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
  210-NPP-B	50	90	20	INA	Deep Groove Ball Bearings
  239/630RK	630	850	165	KOYO	Spherical Roller Bearings
  239/710	710	950	180	NTN	Spherical Roller Bearings
  24176 CW33	380	620	243	CX	Spherical Roller Bearings
  6205-2RS1	25	52	15	MPZ	Deep Groove Ball Bearings
  7019 ACE/HCP4A	145	95	24	SKF	Angular Contact Ball Bearings
  7310 B	50	110	27	ISO	Angular Contact Ball Bearings
  ESFTE205	25			SNR	Bearing Units
  EX314G2	70	150	92,1	SNR	Deep Groove Ball Bearings
  GE 008 ES	8	16	8	CX	Plain Bearings
  LL264648/10	374,65	431,8	28,575	ISO	Tapered Roller Bearings
  M-2181	33,338	41,275	12,7	Timken	Needle Roller Bearings
  NH309	45	100	25	ISO	Cylindrical Roller Bearings
  NNU 40/900 M/W33	900	1280	375	ISB	Cylindrical Roller Bearings
  NU303	17	47	14	ISO	Cylindrical Roller Bearings
  RBT10E	10		10	NMB	Plain Bearings
  H311.114	55	75		FAG	ADAPTERS
  1010	50	110	55	INA	THRUST BALL BEARINGS
  ER-34	3.9370	2.1250	1.1875	McGill	BALL BEARING
  32205	25	52	18	SNR	TAPERED ROLLER BEARINGS