Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71930 CD/HCP4A

S71930 CD/HCP4A

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		38.2	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	114	kN
Basic static load rating	C₀	132	kN
Fatigue load limit	P_u	4.15	kN
Attainable speed for grease lubrication		7500	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	470	N
Static axial stiffness, preload class A		158	N/µm
Preload class B	G_B	940	N
Static axial stiffness, preload class B		216	N/µm
Preload class C	G_C	1880	N
Static axial stiffness, preload class C		306	N/µm
Preload class D	G_D	3760	N
Static axial stiffness, preload class D		450	N/µm
Calculation factors
Calculation factor	f	1.24
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.2

Mass

Mass bearing

2.1

Model Number: S71930 CD/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:sheet industry,packaging materials,car,Other Measurements,Beauty and Body,stirrer,organic raw materials,Animal Tracking,milling head plug,Storage Device,Dental Drill etc
Similar models:71930 ACD/HCP4A 71930 CD/HCP4AH1 S71930 ACD/P4A 71930 ACD/HCP4AL 71930 ACD/P4A S71930 ACD/HCP4A S71930 CD/HCP4A 71930 CD/HCP4A 71930 ACD/P4AH1 71930 ACD/HCP4AH1
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BK 0808	8	12	8	Bearings, units and housings
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H 308 E	35	58	36	Bearings, units and housings
L 432349/310	158.75	205.583	23.813	Bearings, units and housings
NKIS 40	40	65	22	Bearings, units and housings
NUTR 1542 A	15	42	18	Bearings, units and housings
PSM 183530 A51	18	35	30	Bearings, units and housings
SAF 23048 KAT x 8.7/16	227.0125	-	-	Bearings, units and housings

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Hot number： 22316 EKJA/VA405 BD-23948 CCK/W33-OH 3948 H 3025660 44926 47x70x10 HMS5 RG 6215-2Z/VA228 85491 AS 1226 KMK 0 KR 19 PPXA N 1022 KTN9/SP OKBS 53 SAF 1220 T SAFS 22215-11 SY 40 WDW