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

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:6904NR
• Inner Diameter：20mm Outer Diameter：37mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:light therapy instrument,medical equipment,forklift truck,Broadcasting System,sawing machine,Performance test,Technical Equipment,tire industry,Cylinder Special,building decoration raw materials and accessories,electronic components
• Similar models:NSK 6904L11DDU KOYO 6904Z NACHI 6904NKE NSK 6904VV NACHI 6904-2NKE NTN F-6904LLU NTN 6904LLU NSK 6904NR ISB F6904ZZ CYSD 6904-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in 6904NR products，there is large inventory of NSK 6904NR . We has been built up long-term cooperation with NSK company, could make a bulk order of the 6904NR Which NSK 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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