d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

r min. - 0,3 mm

da min. - 22 mm

da max - 24 mm

Da max. - 35 mm

ra max. - 0,3 mm

Weight - 0,036 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 - 23 000 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：2025-12-10
• Application:Warehouse Shelf Equipment,coupling type,Security Equipment,training beds etc,Broadcasting System,Automobile,respirator,transportation equipment,experimental equipment,Roller mill,non-ferrous metal alloy
• Similar models:NSK 6904L11-H-20DDU KOYO 6904Z ZEN P6904-GB NTN 6904 FBJ 6904 NTN 6904ZZNR NACHI 6904N NACHI 6904NR NSK 6904N ZEN P6904-SB
• BEARING POWER International Trading Co.,Ltd. specialize in 6904 products，there is large inventory of NTN 6904 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6904 Which NTN 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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