Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71910 ACE/P4AL

71910 ACE/P4AL

Dimensions

d		50	mm
D		72	mm
B		12	mm
d₁		56.7	mm
d₂		54.9	mm
D₁		65.3	mm
b		2.2	mm
C₁		5.9	mm
C₂		2.3	mm
C₃		1.8	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		21.2	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	12.1	kN
Basic static load rating	C₀	8.15	kN
Fatigue load limit	P_u	0.345	kN
Attainable speed for grease lubrication		23000	r/min
Attainable speed for oil-air lubrication		36000	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	110	N
Static axial stiffness, preload class A		96	N/µm
Preload class B	G_B	330	N
Static axial stiffness, preload class B		145	N/µm
Preload class C	G_C	660	N
Static axial stiffness, preload class C		190	N/µm
Calculation factors
Calculation factor	f	1.15
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

0.13

Model Number: 71910 ACE/P4AL
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：2025-12-09
Application:relay,car,Performance test,garbage disposal,horizontal processing,stacker lift platform,Material handling equipment,Industry,Roller,electromagnet,noise reduction equipment
Similar models:71910 ACB/HCP4A 71910 ACE/P4AL S71910 CB/P4A S71910 CD/HCP4A 71910 ACB/P4AL S71910 ACE/P4A 71910 CB/HCP4A 71910 CE/P4AL 71910 ACD/P4A 71910 CB/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71910ACE/P4AL products，there is large inventory of SKF 71910 ACE/P4AL Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71910 ACE/P4AL Which SKF 71910ACE/P4AL is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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