d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

r min. - 0,3 mm

da min. - 22 mm

Da max. - 35 mm

ra max. - 0,3 mm

Weight - 0,036 Kg

Basic dynamic load rating (C) - 6,35 kN

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

(Grease) Lubrication Speed - 19000 r/min

(Oil) Lubrication Speed - 23000 r/min

Calculation factor (f0) - 14,7

• Model Number: 6904
• Inner Diameter：20mm Outer Diameter：37mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:Blood coagulation reagent,cooling system,injection molding machine,agriculture,tower crane,plastic blow molding,Forging machine,ventilator anesthesia machine etc,medical equipment,squeeze machine etc,coupling type
• Similar models:NACHI 6904NKE CYSD 6904-ZZ CYSD 6904-RS FBJ 6904ZZ KBC 6904ZZ NSK 6904 NSK 6904L11DDU NACHI 6904ZZE CYSD 6904 NSK 6904DDU
• BEARING POWER International Trading Co.,Ltd. specialize in 6904 products，there is large inventory of KOYO 6904 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 6904 Which KOYO 6904 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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