d - 20 mm

D - 52 mm

B - 15 mm

C - 15 mm

r min. - 1,1 mm

da min. - 26,5 mm

Da max. - 45,5 mm

ra max. - 1 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: 6304
• Inner Diameter：20mm Outer Diameter：52mm Width：15mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-11
• Application:Material handling equipment,spreader series,tobacco machinery,municipal machinery,outdoor equipment,Low-voltage electrical equipment,bio-chemical,woodworking machinery,plastic rolling,Display Devices,Vertical pull
• Similar models:ISB 6304-2RS ISB 6304-ZZ SKF 6304-Z SNR 6304NRZ CYSD 6304 ISB 6304NR KOYO 6304NR NTN 6304ZNR NTN 6304ZZNR CRAFT 6304
• BEARING POWER International Trading Co.,Ltd. specialize in 6304 products，there is large inventory of KOYO 6304 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 6304 Which KOYO 6304 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  360278	200	279,5	38	KOYO	Deep Groove Ball Bearings
  47686R/47620A	82,55	133,35	33,338	KOYO	Tapered Roller Bearings
  6203FT150ZZ	17,000	40,000	12,000	SNR	Deep Groove Ball Bearings
  BSQU 260/1 TFT	60			SNFA	Thrust Ball Bearings
  BTM 70 ATN9/P4CDB	70	110	18	SKF	Angular Contact Ball Bearings
  EGB1212-E50	12	14	12	INA	Plain Bearings
  GAKR 18 PB	18	35	23	INA	Plain Bearings
  HAR914CA	70	100	16	KOYO	Angular Contact Ball Bearings
  GEFZ19C	19,05	36,5125		AST	Plain Bearings
  HR22	22			NMB	Plain Bearings
  KGN 30 C-PP-AS	30	47		INA	Linear Bearings
  NKS12 TN	12	22	16	FBJ	Needle Roller Bearings
  UC315	75	160	42	SNR	Deep Groove Ball Bearings
  UC317	85	180	46	SNR	Deep Groove Ball Bearings
  UCP306	30			SNR	Bearing Units
  SAF624	4.1875			FAG	PILLOW BLOCKS
  D-42	5.2187	3.5000		INA	THRUST BALL BEARINGS
  HK0812.2RS	12		12	SKF	NEEDLE BEARINGS
  R144	.1250	.2500	.0937	NTN	DEEP GROOVE BALL BEARINGS
  N-12			.5410	CONSOLIDATED	LOCKNUTS