Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7004 CE/P4A

7004 CE/P4A

Dimensions

d		20	mm
D		42	mm
B		12	mm
d₁		26.6	mm
d₂		24.8	mm
D₁		34.21	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		10.2	mm

Abutment dimensions

d_a	min.	22	mm
d_b	min.	22	mm
D_a	max.	40	mm
D_b	max.	39.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		28.1	mm

Calculation data

Basic dynamic load rating	C	7.41	kN
Basic static load rating	C₀	3.35	kN
Fatigue load limit	P_u	0.143	kN
Attainable speed for grease lubrication		54000	r/min
Attainable speed for oil-air lubrication		83000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	12
Reference grease quantity	G_ref	1.1	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	40	N
Static axial stiffness, preload class A		21	N/µm
Preload class B	G_B	120	N
Static axial stiffness, preload class B		32	N/µm
Preload class C	G_C	235	N
Static axial stiffness, preload class C		44	N/µm
Calculation factors
Calculation factor	f	1.04
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.05
Calculation factor	f_HC	1
Calculation factor	f₀	7.2

Mass

Mass bearing

0.064

Model Number: 7004 CE/P4A
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：2021-06-09
Application:quality inspection equipment,wall industry,relay,security equipment,Vertical pull,labor insurance,reinforced machinery,medical equipment,Power equipment,Body shaping,wall materials
Similar models:S7004 CD/P4A 7004 CE/P4AL S7004 ACE/P4A 7004 ACE/P4AH1 7004 ACD/P4A S7004 CE/HCP4A 7004 CD/HCP4A S7004 ACD/P4A 7004 ACD/HCP4AH 7004 ACD/P4AH
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BD-23048-2CS5K/VT143-OH 3048 HE	220	360	92	Bearings, units and housings
30x47x10 HMSA10 V	30	47	10	Seals
50x70x8 CRW1 V	50	70	8	Seals
7009 CE/HCP4A	45	75	16	Bearings, units and housings
740 VRME R	718	-	-	Seals
780x820x18 HS8 R	780	820	18	Seals
99811	19.05	24.003	11.1252	Seals
AH 3232 G	150	160	124	Bearings, units and housings
C 4026 K30	130	200	69	Bearings, units and housings
OKBS 77	77	-	-
TU 1.15/16 TF	49.213	-	-	Bearings, units and housings
W 6003-2Z	17	35	10	Bearings, units and housings

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Hot number： 12631 24126-2CS5/VT143 4208 ATN9 51202 V/HR11T1 71914 ACE/HCP4A 71919 ACD/P4AL HA 2326 L KMFE 8 NNU 41/1250 M/W33 NUP 2309 ECML NUP 238 ECML SAF 1213 T SAF 22615 x 2.3/8 TLC SAFS 23048 KATLC x 8.1/2 SYFWK 1.1/2 LTHR