Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71930 ACD/HCP4AL

71930 ACD/HCP4AL

Dimensions

d		150	mm
D		210	mm
B		28	mm
d₁		168.5	mm
d₂		168.5	mm
D₁		191.5	mm
b		2.6	mm
C₁		15.6	mm
C₂		6.6	mm
C₃		5.6	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/HCP4AL
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：2026-04-18
Application:injection molding machine,other rubber,Laser Measurements,hydraulic actuator,Medium and large motor,steam Hydraulic control element,powder metallurgy,packing equipment,blood cell reagent,Performance test,non-ferrous metal alloy
Similar models:71930 CD/HCP4AH1 71930 ACD/HCP4AL S71930 ACD/P4A 71930 CD/HCP4AL S71930 CD/HCP4A 71930 ACD/P4AL 71930 CD/HCP4A 71930 CD/P4AH1 71930 ACD/P4AH1 71930 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71930ACD/HCP4AL products，there is large inventory of SKF 71930 ACD/HCP4AL 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/HCP4AL Which SKF 71930ACD/HCP4AL 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
400 VA R	360	-	-	Seals
609/1320 MB	1320	1720	128	Bearings, units and housings
61852	260	320	28	Bearings, units and housings
61948	240	320	38	Bearings, units and housings
708 CD/HCP4AH	8	22	7	Bearings, units and housings
71908 ACE/P4AH1	40	62	12	Bearings, units and housings
75x95x12 HMSA10 V	75	95	12	Seals
G 16x24x3	16	24	3	Seals
HM 30/500	68	-	500	Bearings, units and housings
N 213 ECP	65	120	23	Bearings, units and housings
NCF 18/530 V	530	650	56	Bearings, units and housings
SAF 22516 T	68.2625	-	-	Bearings, units and housings

Purchase the SKF 71930 ACD/HCP4AL Please fill in the following

Hot number： 16536 40x62x10 HMS5 V 42x56x7 HMS5 V 546966 60x80x9 CRSHA1 R 67388/67322 71904 ACE/HCP4AL 7318 BEGAP 87089 89432 M GEH 120 TXA-2LS MS 30/1000 NUP 316 ECP PCM 353950 E PCMW 386201.5 M