d - 20 mm

D - 37 mm

B - 9 mm

C - 9 mm

rn - 0,3 mm

a - 1,7 mm

b - 0,95 mm

f - 0,85 mm

r min. - 0,3 mm

r0 max. - 0,25 mm

D1 - 35,7 mm

D2 - 39,8 mm

da min. - 22 mm

da max - 24 mm

Da max. - 35 mm

ra max. - 0,3 mm

Dx - 40,5 mm

Cy - 2,3 mm

Cz - 0,9 mm

rn - 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: 6904NR
• Inner Diameter：20mm Outer Diameter：37mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-22
• Application:noise reduction equipment,special broaching machine,marine test,lifting chain,pressure control valve,large agricultural machinery,Workpiece,PVC,Optical Instruments,lifting equipment Hoisting hoist,hydraulic cylinder buffer
• Similar models:NACHI 6904 ZEN P6904-GB CYSD 6904-2RZ KBC 6904F2 NTN 6904ZZ KBC 6904ZZ PFI 6904DW NTN 6904ZZNR NTN 6904LU PFI 6904-2RSC3
• BEARING POWER International Trading Co.,Ltd. specialize in 6904NR products，there is large inventory of NTN 6904NR . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6904NR Which NTN 6904NR 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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