d - 20 mm

D - 72 mm

B - 19 mm

C - 19 mm

r min. - 1,1 mm

da min. - 26,5 mm

Da max. - 65,5 mm

ra max. - 1 mm

Weight - 0,4 Kg

Basic dynamic load rating (C) - 28,5 kN

Basic static load rating (C0) - 13,9 kN

(Grease) Lubrication Speed - 12 000 r/min

(Oil) Lubrication Speed - 14 000 r/min

Calculation factor (f0) - 11,4

• Model Number: 6404
• Inner Diameter：20mm Outer Diameter：72mm Width：19mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-15
• Application:intermediate,circulating pump,hardware,mathematical instruments,experimental equipment,tapered grinder,small appliances,Optical Instruments,Forklift industry,cleaning agent,agrochemical
• Similar models:ISO 6404ZZ ISO 6404 ZEN 6404-2RS SKF 6404 NTN-SNR 6404 NKE 6404 ISB 6404 FBJ 6404-2RS Fersa 6404 FAG 6404
• BEARING POWER International Trading Co.,Ltd. specialize in 6404 products，there is large inventory of NTN 6404 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 6404 Which NTN 6404 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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  QJ 330 N2 M	150	320	65	ISB	Angular Contact Ball Bearings
  QJ220	100	180	34	FBJ	Angular Contact Ball Bearings
  S7306B	30	72	19	ZEN	Angular Contact Ball Bearings
  TRI 203820	20	38	20,5	IKO	Needle Roller Bearings
  4422	1.2500	1.3125	2.0000	BERLISS	JOURNAL ROLLER BEARING OUTER RACES
  TC2031	1.2500	1.9375	.0781	INA	THRUST NEEDLE BEARINGS
  SN613	60		90	SKF	PILLOW BLOCKS
  PBO-20	2.5000	5.5000	1.2500	RIV	ANGULAR CONTACT BALL BEARINGS
  52322				STEYR	THRUST BALL BEARINGS
  CFM20	2.5000	5.5000	1.2500	SKF	CYLINDRICAL ROLLER BEARINGS
  CRSB-52	1.2500	3.2500	1.7500	CONSOLIDATED	NEEDLE BEARINGS
  155x180x15mm	155	180	15	CONSOLIDATED	OIL SEALS