Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 707 ACE/P4AH

707 ACE/P4AH

Dimensions

d		7	mm
D		19	mm
B		6	mm
d₁		10.4	mm
d₂		9.9	mm
D₁		15.7	mm
K		0.5	mm
C₁		3.65	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		6.1	mm

Abutment dimensions

d_a	min.	9	mm
d_b	min.	9	mm
D_a	max.	17	mm
D_b	max.	17.6	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		11.4	mm

Calculation data

Basic dynamic load rating	C	1.86	kN
Basic static load rating	C₀	0.62	kN
Fatigue load limit	P_u	0.026	kN
Attainable speed for grease lubrication		112000	r/min
Attainable speed for oil-air lubrication		175000	r/min
Ball diameter	D_w	3.572	mm
Number of balls	z	8
Reference grease quantity	G_ref	0.11	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	17	N
Static axial stiffness, preload class A		21	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		31	N/µm
Preload class C	G_C	100	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
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

0.007

Model Number: 707 ACE/P4AH
Inner Diameter：7mm Outer Diameter：19mm 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：2026-04-16
Application:sucker industry,experimental equipment,drawing die,instrumentation instrument,universal category,mechanical annex,inorganic chemical,wheel lathe,hydraulic cylinder,agriculture,tobacco machinery
Similar models:707 CE/HCP4A PSM 507070 A51 PCM 707550 M PBM 557070 M1G1 PRM 707540 W 61707-2RS1 707 CE/P4AH PCM 707540 E 707 CD/HCP4AH 305707 C-2RS1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
220x250x15 HMSA10 V	220	250	15	Seals
30 VA R	27	-	-	Seals
30317	85	180	44.5	Bearings, units and housings
37433	95.25	123.85	11.13	Seals
515x555x20 HS8 R	515	555	20	Seals
608-2Z	8	22	7	Bearings, units and housings
71916 CE/P4AL	80	110	16	Bearings, units and housings
71960 ACDMA/P4A	300	420	56	Bearings, units and housings
87945	-	-	63.5	Seals
BD-C 3188 KMB-AOHX 3188 G	420	720	226	Bearings, units and housings
FSNL 520 TURU	90	-	-	Bearings, units and housings
MB 3	17	32	-	Bearings, units and housings

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