Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 706 ACE/HCP4A

706 ACE/HCP4A

Dimensions

d		6	mm
D		17	mm
B		6	mm
d₁		9.2	mm
d₂		8.7	mm
D₁		13.9	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		5.8	mm

Abutment dimensions

d_a	min.	8	mm
d_b	min.	8	mm
D_a	max.	15	mm
D_b	max.	15.6	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		10.1	mm

Calculation data

Basic dynamic load rating	C	1.51	kN
Basic static load rating	C₀	0.49	kN
Fatigue load limit	P_u	0.02	kN
Attainable speed for grease lubrication		150000	r/min
Attainable speed for oil-air lubrication		230000	r/min
Ball diameter	D_w	3.175	mm
Number of balls	z	8
Reference grease quantity	G_ref	0.09	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	14	N
Static axial stiffness, preload class A		21	N/µm
Preload class B	G_B	41	N
Static axial stiffness, preload class B		31	N/µm
Preload class C	G_C	82	N
Static axial stiffness, preload class C		41	N/µm
Calculation factors
Calculation factor	f	1.02
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

0.005

Model Number: 706 ACE/HCP4A
Inner Diameter：6mm Outer Diameter：17mm Width：6mm
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：2026-08-24
Application:pump accessories,storage and transportation equipment,food / grain / food equipment,Automobile,Power equipment,trolley,Material handling equipment,quality inspection equipment,mathematical instruments,turret industry,linear drive
Similar models:7060 BGM W 61706 706 ACD/HCP4AH WBB1-8706-2Z WBB1-8706 R-2Z BEAM 017062-2RZ/PE 706 CD/HCP4AH WBB1-8706-2RS1 PRM 657060 706 CE/P4AH
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Model No. Inner Diameter Outer Diameter Width Type

598/592 A
618/850 MA
61915-2RS1
89313 TN
W 61900 R

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Model No.	Inner Diameter	Outer Diameter	Width	Type
598/592 A
618/850 MA
61915-2RS1
89313 TN
W 61900 R