d - 20 mm

D - 52 mm

B - 15 mm

C - 15 mm

a - 2,46 mm

b - 1,5 mm

f - 1,07 mm

r min. - 1,1 mm

r0 max. - 0,4 mm

r1 min. - 0,5 mm

D1 - 49,73 mm

D2 - 57,9 mm

da min. - 26,5 mm

Da max. - 45,5 mm

Weight - 0,144 Kg

Basic dynamic load rating (C) - 15,9 kN

Basic static load rating (C0) - 7,85 kN

(Grease) Lubrication Speed - 14000 r/min

(Oil) Lubrication Speed - 17000 r/min

Calculation factor (f0) - 12,3

• Model Number: 6304N
• Inner Diameter：20mm Outer Diameter：52mm Width：15mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-16
• Application:Gear grinding machine,equipment,nail products,Roller mill,tapping machine,relay,Plastic molding,packaging machinery,storage and transportation equipment,manual Tools,medical equipment
• Similar models:NTN-SNR 6304 SKF W6304-2Z SKF 6304-2RSH FBJ 6304-2RS KBC 6304ZZ NACHI 6304NR NKE 6304-2RS2 CX 6304-2RS NKE 6304-NR SKF 6304/VA201
• BEARING POWER International Trading Co.,Ltd. specialize in 6304N products，there is large inventory of KOYO 6304N . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 6304N Which KOYO 6304N 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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  NJ2314	70	150	51	NTN	Cylindrical Roller Bearings
  NU2208E	40	80	23	CYSD	Cylindrical Roller Bearings
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  S7208B	40	80	18	ZEN	Angular Contact Ball Bearings
  SL04-5076NR	380	560	243	NTN	Cylindrical Roller Bearings
  SL182211	55	100	25	ISO	Cylindrical Roller Bearings
  239/530MB	530	710	136	FAG	SPHERICAL ROLLER BEARINGS
  NJ2034E	170	260	54	SKF	CYLINDRICAL ROLLER BEARINGS
  RNAF65x85x30	85		30	FAG (Old No.)	NEEDLE BEARINGS
  RNU4908	62		22	FAG (Old No.)	NEEDLE BEARINGS
  KRV-16-PP	6	16	11	INA	NEEDLE BEARINGS
  TRA1018	.6250	1.1250		Torrington	THRUST NEEDLE BEARINGS
  3404	20	72	19	New Departure	DEEP GROOVE BALL BEARINGS
  AH-2344x200	220	200		CONSOLIDATED	WITHDRAWAL SLEEVES
  T7FC085	85	170	45	CONSOLIDATED	TAPERED ROLLER BEARINGS
  TWB-4458	2.7500	3.6250		CONSOLIDATED	THRUST NEEDLE BEARINGS