Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71930 ACD/HCP4A

71930 ACD/HCP4A

Dimensions

d		150	mm
D		210	mm
B		28	mm
d₁		168.5	mm
d₂		168.5	mm
D₁		191.5	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		6700	r/min
Attainable speed for oil-air lubrication		10000	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		377	N/µm
Preload class B	G_B	1480	N
Static axial stiffness, preload class B		496	N/µm
Preload class C	G_C	2960	N
Static axial stiffness, preload class C		662	N/µm
Preload class D	G_D	5920	N
Static axial stiffness, preload class D		904	N/µm
Calculation factors
Calculation factor	f	1.24
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

2.08

Model Number: 71930 ACD/HCP4A
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：2025-12-09
Application:molding machine,chamfering machine etc,Cylinder Special,oral medical device,magnetic elements,car shock absorber,floor industry,Dental Equipment,wire industry,enzyme,embroidery cloth
Similar models:71930 CD/HCP4AH1 71930 CD/HCP4A 71930 CD/HCP4AL 71930 CD/P4AH1 S71930 CD/HCP4A S71930 ACD/HCP4A 71930 ACD/P4AH1 71930 CD/P4A 71930 ACD/HCP4AL 71930 CD/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71930ACD/HCP4A products，there is large inventory of SKF 71930 ACD/HCP4A 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/HCP4A Which SKF 71930ACD/HCP4A 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
13862	34.925	63.55	6.35	Seals
14359	36.5252	61.9	6.35	Seals
2307 E-2RS1KTN9	35	80	31	Bearings, units and housings
230x285x23 HDS1 R	230	285	23	Seals
BC2B 326363/HA4	400	600.19	200	Bearings, units and housings
BEAS 030062-2RS	30	62	28	Bearings, units and housings
FYTB 1/2 TF	12.7	-	-	Bearings, units and housings
NNCL 4832 CV	160	200	40	Bearings, units and housings
NU 2984 ECMA	420	560	82	Bearings, units and housings
OKCX 870	870		-
SNW 130x5.3/8	136.525	150	142.5194	Bearings, units and housings
SSAFS 23056 KAT x 10	254	-	-	Bearings, units and housings

Purchase the SKF 71930 ACD/HCP4A Please fill in the following

Hot number： 32028 X 510/500 F 7008 ACB/HCP4AL 727 ACD/HCP4A 87463 C 31/600 KMB FSAF 1615 x 2.1/2 T N 1017 KTNHA/HC5SP HE 317 N 036 NJ 319 ECP NK 25/20 NUP 2211 ECPH/C3 SAFS 23026 KAT x 4.5/16 W 625 R-2Z