d - 17 mm

D - 30 mm

B - 23 mm

F - 22 mm

r_min - 0,3 mm

s - 1 mm / Axial displacement

m - 72 g / Weight

C_r - 21100 N / Dynamic load rating (radial)

C_0r - 29000 N / Static load rating (radial)

C_ur - 5100 N / Fatigue limit load, radial

n_G - 20000 1/min / Limiting speed

n_B - 10500 1/min / Reference speed

dimension series 49, to DIN 617/ISO 1206

• Model Number:NA6903
• Inner Diameter：17mm Outer Diameter：30mm Width：23mm
• Type：Needle Roller Bearings
• Update date：2025-12-18
• Application:insect experimental analysis instrument,Pneumatic Actuator,plastic blow molding,Spectrum Products,hydraulic pressure gauge,cleaning agent,education model Instruments,PVC,floor industry,security equipment,rubber products machinery and equipment
• Similar models:ISO RNA6903 IKO RNA6903UU CRAFT NA6903 NBS RNA6903 IKO RNA6903U INA NA6903-XL INA NA6903 NSK RNA6903TT JNS RNA6903 Timken NA6903
• BEARING POWER International Trading Co.,Ltd. specialize in NA6903 products，there is large inventory of INA NA6903 . We has been built up long-term cooperation with INA company, could make a bulk order of the NA6903 Which INA NA6903 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
  14117A/14276	30	69,012	19,845	Timken	Tapered Roller Bearings
  22SF36	57,15	90,488	50,01	NSK	Plain Bearings
  231/560 KCW33+H31/560	560	920	280	ISO	Spherical Roller Bearings
  24060VMK30W33	300,000	460,000	160,000	SNR	Thrust Roller Bearings
  32010 X/QCL7CVB026	80	50	20	SKF	Tapered Roller Bearings
  4R3229	160,000	230,000	168,000	NTN	Cylindrical Roller Bearings
  4T-681/672	92,075	168,275	41,275	NTN	Tapered Roller Bearings
  71909 CE/HCP4AL	68	45	12	SKF	Angular Contact Ball Bearings
  7216 BECBY	140	80	26	SKF	Angular Contact Ball Bearings
  H247535/H247510	200,025	384,175	112,713	KOYO	Tapered Roller Bearings
  CRB 14025 UU	140	200	25	IKO	Thrust Roller Bearings
  NNU 41/530 K30M/W33	530	870	335	ISB	Cylindrical Roller Bearings
  NU 2076 ECMA	560	380	106	SKF	Thrust Ball Bearings
  NUP222	110	200	38	ISO	Cylindrical Roller Bearings
  RAL008NPPB	12,7	35	15,88	Timken	Deep Groove Ball Bearings
  SAZP9N	9,53	25,4	12,7	LS	Plain Bearings
  UCPX15-48	76,2		82,6	KOYO	Bearing Units
  W 61907-2RS1	55	35	10	SKF	Deep Groove Ball Bearings
  KF400ARO	40.0000	41.5000	.7500	KAYDON	ANGULAR CONTACT BALL BEARINGS
  LFR-5201/12-ZZ	12	35	-	CONSOLIDATED	YOKE TYPE TRACK ROLLERS