d - 20 mm

D - 72 mm

B - 19 mm

d₁ - - 37.11 mm

D₁ - - 54.75 mm

r_1,2 - min. - 1.1 mm

d_a - min. - 29 mm

D_a - max. - 63 mm

r_a - max. - 1 mm

Basic dynamic load rating - C - 30.7 kN

Basic static load rating - C₀ - 15 kN

Fatigue load limit - P_u - 0.64 kN

Reference speed - 24000 r/min

Limiting speed - 15000 r/min

Calculation factor - k_r - 0.035

Calculation factor - f₀ - 11

Mass bearing - 0.409 kg

• Model Number:6404
• Inner Diameter：72mm Outer Diameter：20mm Width：19mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-10
• Application:Laser Measurements,hydraulic pressure gauge,plastic rolling,water protection,quality inspection equipment,Industrial equipment,granulator,Laser Devices,Textile Industry Accessories and Accessories,cleaning agent,Industry
• Similar models:ISO 6404 NTN 6404ZZ NTN 6404 FBJ 6404 KOYO 6404 ISO 6404ZZ FBJ 6404-2RS FAG 6404 Fersa 6404-2RS ZEN 6404
• BEARING POWER International Trading Co.,Ltd. specialize in 6404 products，there is large inventory of SKF 6404 . We has been built up long-term cooperation with SKF company, could make a bulk order of the 6404 Which SKF 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  22380MW33	400	820	243	CRAFT	Spherical Roller Bearings
  30314J	70	150	38	KBC	Tapered Roller Bearings
  6014	70	110	20	Fersa	Deep Groove Ball Bearings
  6021ZZ	105	160	26	NSK	Deep Groove Ball Bearings
  639	9	30	10	ISO	Deep Groove Ball Bearings
  7012CDB	60	95	18	NACHI	Angular Contact Ball Bearings
  7216BDT	80	140	26	NTN	Angular Contact Ball Bearings
  F61701-2Z	12	18	4	ZEN	Deep Groove Ball Bearings
  HMK3531LL	35	45	31	NTN	Needle Roller Bearings
  HSS71926-C-T-P4S	130	180	24	FAG	Angular Contact Ball Bearings
  K72x80x20	72	80	20	CX	Needle Roller Bearings
  LVCR 80-2LS	80			SKF	Linear Bearings
  NANFL209-27	42,8625			FYH	Bearing Units
  UCFX20-64	101,6			KOYO	Bearing Units
  W 63806-2RS1	42	30	10	SKF	Deep Groove Ball Bearings
  L-1470	7	14	3.5	NMB	DEEP GROOVE BALL BEARINGS
  170RT03	170	360	72	Torrington	CYLINDRICAL ROLLER BEARINGS
  6203-Z	17	40	12	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  54236-U				CONSOLIDATED	THRUST BALL BEARINGS WITH SPHERICAL SEATING RINGS
  TWB-916	.5625	1.000		CONSOLIDATED	THRUST NEEDLE BEARINGS