Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7004 CD/HCP4A

S7004 CD/HCP4A

Dimensions

d		20	mm
D		42	mm
B		12	mm
d₁		27.1	mm
d₂		27.1	mm
D₂		37	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_a	max.	26.6	mm
d_b	min.	23.2	mm
d_b	max.	26.6	mm
D_a	max.	38.8	mm
D_b	max.	40	mm
r_a	max.	0.6	mm
r_b	max.	0.3	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		50000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	12
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	35	N
Static axial stiffness, preload class A		25	N/µm
Preload class B	G_B	70	N
Static axial stiffness, preload class B		34	N/µm
Preload class C	G_C	140	N
Static axial stiffness, preload class C		46	N/µm
Preload class D	G_D	280	N
Static axial stiffness, preload class D		65	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	1.02
Calculation factor	f₀	9.2

Mass

Mass bearing

0.06

Model Number: S7004 CD/HCP4A
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：2021-06-10
Application:agrochemical,storage shelves,security equipment,Machine Tool Accessories,ventilation equipment,decoration machinery,knitted fabrics,Workpiece,vacuum filter,stamping die and its equipment,outdoor equipment
Similar models:S7004 ACD/P4A 7004 ACE/P4AH1 S7004 CE/P4A 7004 ACD/P4AH 7004 CE/HCP4AH1 7004 ACE/P4AL S7004 CE/HCP4A 7004 CD/P4A 7004 CD/P4AH 7004 ACE/P4AL1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1950 VL R	1765	-	-	Seals
331713 B	342.9	533.4	-	Bearings, units and housings
84643	-	-	22.23	Seals
FSAF 22517 x 2.7/8 T	73.025	-	-	Bearings, units and housings
IR 50x58x40	50	58	40	Bearings, units and housings
LM 501349/310	41.275	73.431	19.558	Bearings, units and housings
NJ 2248 MA	240	440	120	Bearings, units and housings
PCM 808540 M	80	85	40	Bearings, units and housings
S71901 ACD/P4A	12	24	6	Bearings, units and housings
SAF 22516 x 2.3/4	69.85	-	-	Bearings, units and housings
SY 1.15/16 DUTF	49.213	-	-	Bearings, units and housings
SY 2.15/16 UTF	74.613	-	-	Bearings, units and housings

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