Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7004 CD/P4AH

7004 CD/P4AH

Dimensions

d		20	mm
D		42	mm
B		12	mm
d₁		27.1	mm
d₂		27.1	mm
D₁		34.8	mm
K		0.5	mm
C₁		7.15	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		10.2	mm

Abutment dimensions

d_a	min.	23.2	mm
d_b	min.	23.2	mm
D_a	max.	38.8	mm
D_b	max.	40	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		28.4	mm

Calculation data

Basic dynamic load rating	C	8.71	kN
Basic static load rating	C₀	4.3	kN
Fatigue load limit	P_u	0.18	kN
Attainable speed for grease lubrication		43000	r/min
Attainable speed for oil-air lubrication		63000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	12
Reference grease quantity	G_ref	0.9	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	35	N
Static axial stiffness, preload class A		23	N/µm
Preload class B	G_B	70	N
Static axial stiffness, preload class B		30	N/µm
Preload class C	G_C	140	N
Static axial stiffness, preload class C		42	N/µm
Preload class D	G_D	280	N
Static axial stiffness, preload class D		59	N/µm
Calculation factors
Calculation factor	f	1.03
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.09
Calculation factor	f_HC	1
Calculation factor	f₀	9.2

Mass

Mass bearing

0.068

Model Number: 7004 CD/P4AH
Inner Diameter：20mm Outer Diameter：42mm Width：12mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact ball bearings Angular contact ball bearings, super-precision
Details： Angular contact ball bearings, super-precision
Update date：2024-12-13
Application:Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,instrument,Processing machinery,glass processing machine,plastic molding,laser devices,Antenna Potentials,nail products,pump accessories,animal anatomy,Pest Monitoring
Similar models:7004 ACD/HCP4A S7004 CE/P4A 7004 ACE/P4AL1 7004 ACE/HCP4AL 7004 CD/HCP4A 7004 CD/P4AH S7004 CE/HCP4A 7004 ACD/P4AH 7004 ACD/P4A 7004 ACE/P4AH1
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OKCX 640	640		-
SAF 22622 x 3.7/8	98.425	-	-	Bearings, units and housings
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