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：2025-12-16
• Application:chromatography,industrial equipment,Laser Measurements,chamfering machine etc,car and accessories,thin metal materials,car instrument,sterilizers,tapered grinder,pneumatic,static control
• Similar models:NACHI 6903ZENR KOYO 6903Z CYSD 6903-2RS KOYO 6903ZZ CYSD 6903-Z CYSD 6903N CYSD 6903 ISB F6903 KOYO 6903-2RD NSK 6903
• 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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