d - 17 mm

D - 30 mm

B - 7 mm

C - 7 mm

r min. - 0,3 mm

da min. - 19 mm

da max - 19,5 mm

Da max. - 28 mm

ra max. - 0,3 mm

Weight - 0,017 Kg

Basic dynamic load rating (C) - 4,6 kN

Basic static load rating (C0) - 2,55 kN

(Grease) Lubrication Speed - 24 000 r/min

Calculation factor (f0) - 14,7

• Model Number: 6903ZZ
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:medical equipment,Medical room equipment,electronic components,Laser Measurements,paint paint,journal lathe,Forging machine,physical instruments,plastic molding,leather processing,circulating pump
• Similar models:NSK 6903NR CYSD 6903-RS NTN 6903LLU NTN 6903ZZNR FBJ 6903-2RS FBJ 6903ZZ KBC 6903DD KOYO 6903-2RD NACHI 6903ZENR NSK 6903L11DDU
• BEARING POWER International Trading Co.,Ltd. specialize in 6903ZZ products，there is large inventory of NSK 6903ZZ . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6903ZZ Which NSK 6903ZZ 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
  180RU30	180	264		Timken	Cylindrical Roller Bearings
  22322EXK	110	240	80	NACHI	Cylindrical Roller Bearings
  26883/26820	35	80,167	25,4	Timken	Tapered Roller Bearings
  30305J	25	62	18.25	KBC	Tapered Roller Bearings
  4R13604	680,000	1020,000	680,000	NTN	Cylindrical Roller Bearings
  6018-2Z	90	140	24	NKE	Deep Groove Ball Bearings
  7015 C-UD	75	115	40	CX	Angular Contact Ball Bearings
  713616060				FAG	Wheel Bearings
  81134	170	215		CX	Thrust Roller Bearings
  BHTM3220A	32	42	20	KOYO	Needle Roller Bearings
  GEZ88ES	88,9	139,7		AST	Plain Bearings
  NU 2317	85	180	60	SIGMA	Cylindrical Roller Bearings
  R12001	600,000	800,000	90,000	NTN	Cylindrical Roller Bearings
  SA211-35F	55,5625	100	32,4	KOYO	Deep Groove Ball Bearings
  UCFL206-19E	30,1625			KOYO	Bearing Units
  MS14AC	1.7500	4.2500	1.0625	FAG	ANGULAR CONTACT BALL BEARINGS
  FPXD412	4.7500	5.7500	.5000	SKF	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  1307E/TG	35	80	21	STEYR	SELF
  HJ-2222	110		11	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  H-216x70	80	105		CONSOLIDATED	ADAPTERS