d - 17 mm

D - 30 mm

B - 7 mm

C - 7 mm

rn - 0,3 mm

a - 1,3 mm

b - 0,95 mm

r min. - 0,3 mm

r0 max. - 0,25 mm

D1 - 28,7 mm

da min. - 19 mm

da max - 20 mm

Da max. - 28 mm

ra max. - 0,3 mm

Dx - 33,5 mm

Cy - 1,9 mm

Cz - 0,9 mm

rn - 0,3 mm

Weight - 0,018 Kg

Basic dynamic load rating (C) - 4,65 kN

Basic static load rating (C0) - 2,58 kN

(Grease) Lubrication Speed - 22 000 r/min

(Oil) Lubrication Speed - 26 000 r/min

Calculation factor (f0) - 14,7

• Model Number: 6903N
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-21
• Application:Liposuction device,Industry,axle lathe,quality inspection equipment,tapered grinder,multi-knife lathe,Material handling equipment,Roller mill,Beauty and Body,power protection,insect experimental analysis instrument
• Similar models:KOYO 6903-2RD ISB F6903ZZ NACHI 6903ZZE NSK 6903L11DDU NACHI 6903NR CYSD 6903-Z FBJ 6903 CYSD 6903 NSK 6903VV NACHI 6903N
• BEARING POWER International Trading Co.,Ltd. specialize in 6903N products，there is large inventory of NTN 6903N . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6903N Which NTN 6903N 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
  240/710	710	1030	315	ISB	Spherical Roller Bearings
  B25-86C3	25	58	16	NSK	Deep Groove Ball Bearings
  511/560F	560	670	85	SKF	Thrust Ball Bearings
  AST20 22050	220	225		AST	Plain Bearings
  80170/80217	431,8	552,45	44,45	NSK	Cylindrical Roller Bearings
  FJL-1815	18	25	15	NSK	Needle Roller Bearings
  HM804840/10	41,275	95,25	30,162	CX	Tapered Roller Bearings
  NA4903-2RS	17	30	14	CX	Needle Roller Bearings
  S7016 ACB/HCP4A	125	80	22	SKF	Angular Contact Ball Bearings
  SA 10 E	10	19	9	ISB	Plain Bearings
  SR09	1,016	3,175	1,19126	AST	Deep Groove Ball Bearings
  USFCE211	55			SNR	Bearing Units
  L10SA700	7.0000	7.7500	.3750	FAG	DEEP GROOVE BALL BEARINGS
  209HCUL	45	85	19	Barden	ANGULAR CONTACT BALL BEARINGS
  180RU92	180	320	4.2500	Torrington (Old No.)	CYLINDRICAL ROLLER BEARINGS
  22209	45	85	23	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  222S.303	160	112	40	CONSOLIDATED	SPLIT SPHERICAL ROLLER BEARINGS
  SNZ-306..20306	30	25	52	CONSOLIDATED	PILLOW BLOCKS
  6321-2RS	105	225	49	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  DM-15	35	15		CONSOLIDATED	THRUST BALL BEARINGS