Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71930 ACD/P4AH1

71930 ACD/P4AH1

Dimensions

d		150	mm
D		210	mm
B		28	mm
d₁		168.5	mm
d₂		168.5	mm
D₁		191.5	mm
K		0.6	mm
C₁		7.32	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_b	min.	159	mm
D_a	max.	201	mm
D_b	max.	205	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		173.5	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
Attainable speed for oil-air lubrication		8500	r/min
Ball diameter	D_w	19.05	mm
Number of balls	z	23
Reference grease quantity	G_ref	35	cm³
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: 71930 ACD/P4AH1
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：2025-11-28
Application:sterilizers,vacuum suction cup,milling head plug,Cylinder Micro,sheet industry,Spectrum Products,aerial work platform,surgical instruments,stamping die,Beauty and Body,Hydraulic Couplings
Similar models:71930 CD/HCP4AL 71930 ACD/HCP4A 71930 CD/HCP4AH1 71930 ACD/HCP4AH1 S71930 CD/HCP4A 71930 ACD/P4AL 71930 ACD/P4AH1 71930 ACD/P4A 71930 ACD/HCP4AL S71930 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71930ACD/P4AH1 products，there is large inventory of SKF 71930 ACD/P4AH1 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71930 ACD/P4AH1 Which SKF 71930ACD/P4AH1 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
16120	41.275	61.9	7.95	Seals
19215	49.2252	61.26	7.95	Seals
29420 E	100	210	67	Bearings, units and housings
52316	65	140	79	Bearings, units and housings
550 VL R	495	-	-	Seals
6300-Z	10	35	11	Bearings, units and housings
AOH 24068	320	340	206	Bearings, units and housings
BT4B 332654/HA1	352.425	488.95	-	Bearings, units and housings
PRM 353920	35	39	20	Bearings, units and housings
SAFS 22216 T	80	-	-	Bearings, units and housings
TUWK 3/4 LTA	19.05	-	-	Bearings, units and housings
ZW 50x62	50	62	2	Seals

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Hot number： 1563560 16018 331492 3305 ATN9 51222 6011 NR 71926 CD/P4AL 90761 C 2206 V FSAF 1615 x 2.1/2 T NA 4864 NCF 28/500 V SAFS 23056 KATLC x 10 SYR 3 XHCE 040/OK 110