d - 17 mm

D - 30 mm

B - 7 mm

C - 7 mm

r min. - 0,3 mm

da min. - 19 mm

da max - 20 mm

Da max. - 28 mm

ra max. - 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: 6903
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:Industrial Adhesive,standing experimental equipment,orthodontic material,Flame Cutting,product accessories,Leather Products,casting embedding,car and accessories,mobile toilet,Air,ignition system
• Similar models:NSK 6903VV NACHI 6903ZENR NACHI 6903ZE KBC 6903 KOYO 6903ZZ KBC 6903ZZ NACHI 6903N CYSD 6903-2RZ CYSD 6903-Z KOYO 6903Z
• BEARING POWER International Trading Co.,Ltd. specialize in 6903 products，there is large inventory of NTN 6903 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6903 Which NTN 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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