Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71910 CE/P4A

71910 CE/P4A

Dimensions

d		50	mm
D		72	mm
B		12	mm
d₁		56.7	mm
d₂		54.9	mm
D₁		65.3	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		14.7	mm

Abutment dimensions

d_a	min.	53.2	mm
d_b	min.	52	mm
D_a	max.	68.8	mm
D_b	max.	70	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		58.4	mm

Calculation data

Basic dynamic load rating	C	12.7	kN
Basic static load rating	C₀	8.65	kN
Fatigue load limit	P_u	0.365	kN
Attainable speed for grease lubrication		26000	r/min
Attainable speed for oil-air lubrication		40000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	21
Reference grease quantity	G_ref	1.7	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	69	N
Static axial stiffness, preload class A		38	N/µm
Preload class B	G_B	210	N
Static axial stiffness, preload class B		61	N/µm
Preload class C	G_C	410	N
Static axial stiffness, preload class C		83	N/µm
Calculation factors
Calculation factor	f	1.15
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1
Calculation factor	f₀	8.4

Mass

Mass bearing

0.13

Model Number: 71910 CE/P4A
Inner Diameter：50mm Outer Diameter：72mm 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：2026-04-18
Application:dye pigments,Spectral Products,safety testing,noise inspection,Flame Cutting,Other Measurements,wall industry,welding equipment,coal,key lock,construction machinery and equipment
Similar models:71910 CB/HCP4A 71910 ACE/P4AL 71910 ACB/HCP4AL 71910 ACD/HCP4A S71910 CB/P4A S71910 ACB/P4A 71910 CE/HCP4A 71910 ACB/P4A 71910 CE/P4AL 71910 CE/P4AH1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
130x190x12 HMSA10 V	130	190	12	Seals
16536	42.0116	59.0042	7.6962	Seals
25x52x8 HMS5 V	25	52	8	Seals
471951	1794	-	-	Seals
7004 ACE/P4AL1	20	42	12	Bearings, units and housings
71810 ACD/P4	50	65	7	Bearings, units and housings
91389	-	-	50	Seals
C 3984 KM	420	560	106	Bearings, units and housings
GB 3064	-	-	122	Bearings, units and housings
N 211 ECP	55	100	21	Bearings, units and housings
NNCF 5036 CV	180	280	136	Bearings, units and housings
TU 13/16 TF	20.638	-	-	Bearings, units and housings

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