Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71907 ACE/P4A

S71907 ACE/P4A

Dimensions

d		35	mm
D		55	mm
B		10	mm
d₁		41.7	mm
d₂		40.2	mm
D₂		50.3	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		16.2	mm

Abutment dimensions

d_a	min.	38.2	mm
d_a	max.	41.3	mm
d_b	min.	37	mm
d_b	max.	39.8	mm
D_a	max.	51.8	mm
D_b	max.	53	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	7.28	kN
Basic static load rating	C₀	4.5	kN
Fatigue load limit	P_u	0.19	kN
Attainable speed for grease lubrication		32000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	19
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	66	N
Static axial stiffness, preload class A		69	N/µm
Preload class B	G_B	200	N
Static axial stiffness, preload class B		104	N/µm
Preload class C	G_C	400	N
Static axial stiffness, preload class C		136	N/µm
Calculation factors
Calculation factor	f	1.05
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.07
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

0.074

Model Number: S71907 ACE/P4A
Inner Diameter：35mm Outer Diameter：55mm Width：10mm
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：2026-04-17
Application:power tools,office equipment,Optical detection,Rolling mill,sucker industry,lathe,test strip,journal lathe,Wire grinder,Security Equipment,ventilation equipment
Similar models:S71907 CB/P4A S71907 CD/HCP4A 71907 CD/P4A S71907 ACD/HCP4A S71907 ACE/P4A 71907 CE/HCP4A 71907 CD/HCP4A 71907 CE/P4AL 71907 ACE/HCP4AL 71907 ACE/HCP4AH
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Model No.	Inner Diameter	Outer Diameter	Width	Type
100 VS R	90	-	-	Seals
130 VL V	117	-	-	Seals
1700 VL V	1540	-	-	Seals
19844	50.8	71.1708	6.35	Seals
412506	1135	-	-	Seals
4204 ATN9	20	47	18	Bearings, units and housings
6141	15.875	25.37	6.35	Seals
7052 BGM	260	400	65	Bearings, units and housings
719/500 AGMB	500	670	78	Bearings, units and housings
BK 0609	6	10	9	Bearings, units and housings
NKS 43	43	58	22	Bearings, units and housings
QJ 322 N2MA	110	240	50	Bearings, units and housings

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