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

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: 6904N
• Inner Diameter：20mm Outer Diameter：37mm Width：9mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-17
• Application:oral medical device,wall industry,luminescent reagent,Workpiece,quality inspection equipment,Industrial,Surveying Surveying Instruments,Anesthetic Equipment,wheel lathe,coal mill,position switch
• Similar models:KOYO 6904-2RD ZEN P6904-SB KOYO 6904Z NSK 6904N KBC 6904ZZ KBC 6904F2 NSK 6904NR KBC 6904DD CYSD 6904-RS CYSD 6904-RZ
• BEARING POWER International Trading Co.,Ltd. specialize in 6904N products，there is large inventory of NTN 6904N . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6904N Which NTN 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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  J-85	12,7	17,462	7,92	NSK	Needle Roller Bearings
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  NF202	15	35	11	ISO	Cylindrical Roller Bearings
  NUP1960	300	420	56	ISO	Cylindrical Roller Bearings
  PCZ 1816 E	28,575	32,544	25,4	SKF	Plain Bearings
  RN326-E-MPBX	130	247	58	FAG	Cylindrical Roller Bearings
  VKBA 3528				SKF	Wheel Bearings
  6319	95	200	45	FAG	DEEP GROOVE BALL BEARINGS
  94726	1.2500	1.7500	1.6250	BERLISS	JOURNAL ROLLER ASSEMBLIES
  CSED042	4.2500	5.2500	.5000	INA	ANGULAR CONTACT BALL BEARINGS
  PA-40	5.0000	9.0000	1.3750	RIV	DEEP GROOVE BALL BEARINGS
  SQ-209-104	1.2500	3.3465	1.4375	CONSOLIDATED	AGRICULTURAL BALL BEARINGS
  NU-304	20	52	15	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  82x110x13mm	82	110	13	CONSOLIDATED	OIL SEALS