Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71912 ACE/P4A

S71912 ACE/P4A

Dimensions

d		60	mm
D		85	mm
B		13	mm
d₁		67.75	mm
d₂		65.7	mm
D₂		79.7	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		24.6	mm

Abutment dimensions

d_a	min.	64.6	mm
d_a	max.	67.2	mm
d_b	min.	62	mm
d_b	max.	65.1	mm
D_a	max.	80.4	mm
D_b	max.	83	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	15.3	kN
Basic static load rating	C₀	11.2	kN
Fatigue load limit	P_u	0.475	kN
Attainable speed for grease lubrication		19500	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	23
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	139	N
Static axial stiffness, preload class A		115	N/µm
Preload class B	G_B	418	N
Static axial stiffness, preload class B		173	N/µm
Preload class C	G_C	836	N
Static axial stiffness, preload class C		228	N/µm
Calculation factors
Calculation factor	f	1.13
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

0.19

Model Number: S71912 ACE/P4A
Inner Diameter：60mm Outer Diameter：85mm Width：13mm
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：2024-12-13
Application:scientific instruments,multi-knife lathe,floor industry,Other Machine Tools,electronic components,expectoration machine,beverage production,Food testing,Antenna Potentials,Display Devices,intermediate
Similar models:71912 ACD/P4AL S71912 CB/HCP4A 71912 CB/HCP4AL 71912 CB/P4A 71912 ACE/P4AH1 71912 ACD/HCP4AL 71912 ACE/HCP4A S71912 CB/P4A 71912 CD/HCP4A 71912 ACD/HCP4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
13649	34.925	53.98	7.95	Seals
16245	41.275	63.55	7.95	Seals
85x150x12 HMSA10 RG	85	150	12	Seals
FSAF 23024 KATLC x 4.1/4	104.775	-	-	Bearings, units and housings
H 3132	140	160	119	Bearings, units and housings
NU 1021 M	105	160	26	Bearings, units and housings
NU 210 ECM/C3VL0241	50	90	20	Bearings, units and housings
NU 2320 ECML	100	215	73	Bearings, units and housings
SAFS 23048 KA x 8.7/16	214.3125	-	-	Bearings, units and housings
SSAFS 22230 T	150	-	-	Bearings, units and housings
YAT 209-111	42.863	85	37	Bearings, units and housings
YSP 208 SB-2F	40	80	43.1	Bearings, units and housings

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