d - 17 mm

D - 30 mm

B - 7 mm

C - 7 mm

r min. - 0.3 mm

da min. - 19 mm

Da max. - 28 mm

ra max. - 0.3 mm

Weight - 0.018 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: 6903
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:agriculture,oral medical device,noise inspection,manual Tools,Industry,Optical detection,tire industry,Pest Monitoring,fabric products,spectrometer,special broaching machine
• Similar models:KBC 6903 NTN 6903LLUNR CYSD 6903NR CYSD 6903 NTN 6903 PFI 6903-2RSC3 NSK 6903L11 ISB F6903ZZ FBJ 6903 NACHI 6903-2NSE
• BEARING POWER International Trading Co.,Ltd. specialize in 6903 products，there is large inventory of NACHI 6903 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 6903 Which NACHI 6903 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.

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  6906ZZ	30	47	9	FBJ	Deep Groove Ball Bearings
  KDA250	635	660,4	12,7	KOYO	Angular Contact Ball Bearings
  NNF5007ADB-2LSV	35	62	36	SKF	Cylindrical Roller Bearings
  SS 61804-2RS	20	32	7	ISB	Deep Groove Ball Bearings
  UST208	40			SNR	Bearing Units
  W 61807-2Z	47	35	7	SKF	Deep Groove Ball Bearings
  NU224E	120	215	40	FAG	CYLINDRICAL ROLLER BEARINGS
  GE95SX	95	145	30	ELGES	SPHERICAL PLAIN BEARINGS
  NU2326E	130	280	93	STEYR	CYLINDRICAL ROLLER BEARINGS
  6307-RSNR	35	80	21	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  7x22x7mm	7	22	7	CONSOLIDATED	OIL SEALS