d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

rn - 0,3 mm

a - 1,7 mm

b - 0,95 mm

r min. - 0,3 mm

r0 max. - 0,25 mm

D1 - 35,7 mm

da min. - 22 mm

da max - 24 mm

Da max. - 35 mm

ra max. - 0,3 mm

Weight - 0,037 Kg

Basic dynamic load rating (C) - 6,4 kN

Basic static load rating (C0) - 3,7 kN

(Grease) Lubrication Speed - 19 000 r/min

(Oil) Lubrication Speed - 22 000 r/min

Calculation factor (f0) - 14,7

• Model Number: 6904N
• Inner Diameter：20mm Outer Diameter：37mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:Laser Devices,tray industry,raw material accessories,diving equipment,defogging and degreasing,chamfer,Optical Instruments,hydraulic control element,sheet industry,Flame Cutting,car instrument
• Similar models:CYSD 6904-ZZ NSK 6904 NACHI 6904-2NKE NACHI 6904NR CYSD 6904N ISB F6904 NACHI 6904ZENR NACHI 6904-2NSE ZEN P6904-GB NTN 6904LU
• BEARING POWER International Trading Co.,Ltd. specialize in 6904N products，there is large inventory of NSK 6904N . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6904N Which NSK 6904N 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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