Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7214 ACD/P4A

S7214 ACD/P4A

Dimensions

d		70	mm
D		125	mm
B		24	mm
d₁		87.9	mm
d₂		87.9	mm
D₂		110.3	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		34.9	mm

Abutment dimensions

d_a	min.	79	mm
d_a	max.	87.1	mm
d_b	min.	79	mm
d_b	max.	87.1	mm
D_a	max.	116	mm
D_b	max.	120.8	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	66.3	kN
Basic static load rating	C₀	55	kN
Fatigue load limit	P_u	2.36	kN
Attainable speed for grease lubrication		9500	r/min
Ball diameter	D_w	15.875	mm
Number of balls	z	16
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	420	N
Static axial stiffness, preload class A		201	N/µm
Preload class B	G_B	840	N
Static axial stiffness, preload class B		261	N/µm
Preload class C	G_C	1680	N
Static axial stiffness, preload class C		345	N/µm
Preload class D	G_D	3360	N
Static axial stiffness, preload class D		464	N/µm
Calculation factors
Calculation factor	f	1.08
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.02
Calculation factor	f_2D	1.05
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

1.13

Model Number: S7214 ACD/P4A
Inner Diameter：70mm Outer Diameter：125mm Width：24mm
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：2021-06-04
Application:fabric products,Antenna Potentials,Cylinder Micro,scientific instruments,Hair styling device,cleaning agent,sample cup,extruder,Air,plant determination,roller lathe
Similar models:7214 ACD/HCP4A 7214 BEGAP 7214 CD/HCP4A 7214 CD/P4A 7214 ACD/P4A 7214 BECBP S7214 CD/P4A S7214 ACD/HCP4A 7214 BECBY 7214 BEGAM
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20952	53.1876	69.04	9.12	Seals
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387 A/382 A	57.15	96.838	21	Bearings, units and housings
470631	612	-	-	Seals
6738	17.4752	28.55	6.35	Seals
74x100x13 CRSH1 R	74	100	13	Seals
BC4-8053/HA4	580	780	-	Bearings, units and housings
FBSA 205/QBC	25	-	120	Bearings, units and housings
NJ 3884 MA	420	520	75	Bearings, units and housings
NKI 35/20 TN	35	50	20	Bearings, units and housings
NU 2315 ECML	75	160	55	Bearings, units and housings
SAL 50 ESX-2LS	50	-	35	Bearings, units and housings

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