d - 17 mm

D - 30 mm

B - 7 mm

C - 7 mm

a - 1.3 mm

b - 0.95 mm

f - 0.85 mm

r min. - 0.3 mm

r1 min. - 0.3 mm

D1 - 28.7 mm

D2 - 32.8 mm

Weight - 0.019 Kg

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

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

(Grease) Lubrication Speed - 24000 r/min

(Oil) Lubrication Speed - 29000 r/min

• Model Number:6903ZENR
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:mobile toilet,other lathe,Storage Tool,product accessories,disposable,filter paper products,Storage Tool,training beds etc,horizontal processing,spring industry,surgical instruments
• Similar models:NTN 6903Z NTN 6903LLUNR NACHI 6903NSE NTN 6903ZZ NSK 6903L11ZZ CYSD 6903-ZZ NSK 6903L11 KOYO 6903-2RD NACHI 6903N NSK 6903
• BEARING POWER International Trading Co.,Ltd. specialize in 6903ZENR products，there is large inventory of NACHI 6903ZENR . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 6903ZENR Which NACHI 6903ZENR 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
  100TAC03CMC	100	215	47	NSK	Thrust Ball Bearings
  1301	12	37	12	NACHI	Self-Aligning Ball Bearings
  23219CAKE4	95	170	55,6	NSK	Spherical Roller Bearings
  30218	90	160	32,5	CRAFT	Tapered Roller Bearings
  63310LLB	50,000	110,000	44,400	NTN	Deep Groove Ball Bearings
  71819 ATBP4	95	120	13	CX	Angular Contact Ball Bearings
  7413 ADB	65	160	74	ISO	Angular Contact Ball Bearings
  BS2-2316-2CS/VT143	80	170	67	SKF	Spherical Roller Bearings
  NJ321-E-MA6+HJ321-E	105	225	49	NKE	Cylindrical Roller Bearings
  NAO45X62X20	45	62		KOYO	Needle Roller Bearings
  RMEY35-N	35			INA	Bearing Units
  SBPFL204	20		25	KOYO	Bearing Units
  UCFCX18E	90			KOYO	Bearing Units
  NUP2218E	90	160	40	FAG	CYLINDRICAL ROLLER BEARINGS
  SB-23038-SS	190	290	75	McGill	SPHERICAL ROLLER BEARINGS
  NNC4844V.C3	220	270	50	SKF	CYLINDRICAL ROLLER BEARINGS
  AMS-13	1.6250	4.0000	.9375	SKF	ANGULAR CONTACT BALL BEARINGS
  NAXA5913	65	90	34	SKF (Old No.)	NEEDLE BEARINGS
  130RU02	130	230	40	Torrington	CYLINDRICAL ROLLER BEARINGS
  RCB-1/2	.7500		.8750	CONSOLIDATED	NEEDLE BEARINGS