Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71930 ACD/P4A

S71930 ACD/P4A

Dimensions

d		150	mm
D		210	mm
B		28	mm
d₁		168.5	mm
d₂		168.5	mm
D₂		195.15	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		56.1	mm

Abutment dimensions

d_a	min.	159	mm
d_a	max.	167.7	mm
d_b	min.	159	mm
d_b	max.	167.7	mm
D_a	max.	201	mm
D_b	max.	205	mm
r_a	max.	2	mm
r_b	max.	1	mm

Calculation data

Basic dynamic load rating	C	108	kN
Basic static load rating	C₀	125	kN
Fatigue load limit	P_u	3.9	kN
Attainable speed for grease lubrication		5600	r/min
Ball diameter	D_w	19.05	mm
Number of balls	z	23
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	740	N
Static axial stiffness, preload class A		340	N/µm
Preload class B	G_B	1480	N
Static axial stiffness, preload class B		447	N/µm
Preload class C	G_C	2960	N
Static axial stiffness, preload class C		596	N/µm
Preload class D	G_D	5920	N
Static axial stiffness, preload class D		814	N/µm
Calculation factors
Calculation factor	f	1.24
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
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

2.5

Model Number: S71930 ACD/P4A
Inner Diameter：150mm Outer Diameter：210mm Width：28mm
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：2021-06-07
Application:test strip,Hydraulic Equipment,metal mold,mobile toilet,spring industry,Gripper Swing,gantry processing,Polymer,milling head plug,electric pump,surgical instruments
Similar models:71930 CD/P4AH1 71930 ACD/P4AL 71930 ACD/P4AH1 71930 CD/HCP4AH1 S71930 ACD/P4A 71930 CD/HCP4AL 71930 CD/P4A 71930 ACD/HCP4AL S71930 ACD/HCP4A S71930 CD/HCP4A
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471526	1443	-	-	Seals
51422 M	110	230	95	Bearings, units and housings
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BT2B 328310/HA4	1562.1	1806.575	-	Bearings, units and housings
N 064	42.3164	-	319.0748	Bearings, units and housings
NNU 4192 K30M	460	760	300	Bearings, units and housings
S71910 CB/HCP4A	50	72	12	Bearings, units and housings
SAFS 22524 x 4.1/8 T	104.775	-	-	Bearings, units and housings
SAFS 23044 KA x 7.7/8	200.025	-	-	Bearings, units and housings
YAT 204	20	47	25.5	Bearings, units and housings
YAR 207-107-2FW/VA201	36.512	72	42.9	Bearings, units and housings

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Hot number： 16004/HR11QN 2218 K 300x340x18 HDS1 V 38x62x7 HMSA10 RG 51096 F 525737 71905 ACE/P4AH OKBS 108 PCMS 2005001.0 E PSM 081112 A51 PSM 303820 A51 SIA 80 TXE-2LS SSAFS 22518 x 3.1/16 T SSAFS 22534 x 5.13/16 YEL 207-104-2F