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: 6903NR
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:Pump,surgical instruments,blood cell reagent,Infrared Technology,security equipment,Equipment,spectrometer,air purification,medical equipment,medical Equipment,Grinding and polishing equipment
• Similar models:NSK 6903VV KOYO 6903-2RU KOYO 6903ZZ KOYO 6903-2RS CYSD 6903NR NACHI 6903NSE NACHI 6903ZZE NACHI 6903-2NKE NACHI 6903N NTN 6903ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 6903NR products，there is large inventory of NACHI 6903NR . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 6903NR Which NACHI 6903NR 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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