d - 17 mm

D - 30 mm

B - 7 mm

C - 7 mm

rn - 0,3 mm

a - 1,3 mm

b - 0,95 mm

f - 0,85 mm

r min. - 0,3 mm

r0 max. - 0,25 mm

D1 - 28,7 mm

D2 - 32,8 mm

da min. - 19 mm

da max - 20 mm

Da max. - 28 mm

ra max. - 0,3 mm

Dx - 33,5 mm

Cy - 1,9 mm

Cz - 0,9 mm

rn - 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:6903NR
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-09
• Application:electrocardiograph,Storage Tool,luminescent reagent,security equipment,Wire grinder,intermediate,ventilation heating equipment,atomizer class,welding equipment,steam Hydraulic control element,air shower etc
• Similar models:CYSD 6903-2RZ CYSD 6903-ZZ NACHI 6903 CYSD 6903NR CYSD 6903-RS KBC 6903 NACHI 6903ZENR CYSD 6903-Z NTN 6903NR NSK 6903L11DDU
• BEARING POWER International Trading Co.,Ltd. specialize in 6903NR products，there is large inventory of NTN 6903NR . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6903NR Which NTN 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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