Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7006 ACE/HCP4A

7006 ACE/HCP4A

Dimensions

d		30	mm
D		55	mm
B		13	mm
d₁		38.2	mm
d₂		36.4	mm
D₁		45.81	mm
r_1,2	min.	1	mm
r_3,4	min.	0.6	mm
a		16.4	mm

Abutment dimensions

d_a	min.	34.6	mm
d_b	min.	34.6	mm
D_a	max.	50.4	mm
D_b	max.	50.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		39.9	mm

Calculation data

Basic dynamic load rating	C	8.84	kN
Basic static load rating	C₀	5	kN
Fatigue load limit	P_u	0.212	kN
Attainable speed for grease lubrication		42000	r/min
Attainable speed for oil-air lubrication		65000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	17
Reference grease quantity	G_ref	1.7	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	80	N
Static axial stiffness, preload class A		79	N/µm
Preload class B	G_B	240	N
Static axial stiffness, preload class B		117	N/µm
Preload class C	G_C	480	N
Static axial stiffness, preload class C		153	N/µm
Calculation factors
Calculation factor	f	1.05
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.06
Calculation factor	f_HC	1.01
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.1

Model Number: 7006 ACE/HCP4A
Inner Diameter：30mm Outer Diameter：55mm Width：13mm
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：2026-06-24
Application:gear grinding machine,hydraulic cylinder buffer,hardware,generator,ultra-quiet generators,Surveying Surveying Instruments,medical equipment,,crimping tools,marine test,switch
Similar models:7006 CB/P4A S7006 FW/HC 7006 ACE/P4AL 7006 CE/P4AL 7006 ACE/HCP4A 7006 CB/HCP4A 7006 CE/P4AL1 7006 ACD/HCP4A 7006 ACE/P4A 7006 CE/HCP4AL1
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Model No. Inner Diameter Outer Diameter Width Type

BD-230/630 CAK/W33-OH 30/630 H
23296 CAK/W33
71916 CE/HCP4AL
PRM 161815
W 03

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Hot number： 1220 K + H 220 25x47x10 HMS5 RG 407254 45x60x8 HMS5 V 50x64x6 HMS5 V 7205 ACCBM 811/750 M 938/932 BT4-8123 E/C775 K 45x53x20 NJ 209 ECM NUKR 62 A PPMF 121412 PCZ 3016 E SAW 23524

Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-230/630 CAK/W33-OH 30/630 H
23296 CAK/W33
71916 CE/HCP4AL
PRM 161815
W 03