d - 17 mm

D - 30 mm

B - 7 mm

C - 7 mm

rn - 0,3 mm

a - 1,3 mm

b - 0,95 mm

r min. - 0,3 mm

r0 max. - 0,25 mm

D1 - 28,7 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

(Oil) Lubrication Speed - 28 000 r/min

Calculation factor (f0) - 14,7

• Model Number:6903N
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-25
• Application:thin metal materials,Dental Equipment,cooling system,Broadcasting System,special broaching machine,shoe-making machinery,car steering pin,tower crane,security equipment,food testing,sanitation facilities
• Similar models:CYSD 6903NR NACHI 6903NR KOYO 6903-2RU NSK 6903 NTN 6903NR NSK 6903DDU KOYO 6903ZZ KBC 6903ZZ KOYO 6903-2RD KOYO 6903-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 6903N products，there is large inventory of NSK 6903N . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6903N Which NSK 6903N 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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