Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71920 ACD/HCP4A

S71920 ACD/HCP4A

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.3	mm
d₂		112.3	mm
D₂		130.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		38.1	mm

Abutment dimensions

d_a	min.	106	mm
d_a	max.	111.7	mm
d_b	min.	106	mm
d_b	max.	111.7	mm
D_a	max.	134	mm
D_b	max.	136	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	57.2	kN
Basic static load rating	C₀	63	kN
Fatigue load limit	P_u	2.4	kN
Attainable speed for grease lubrication		9000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	26
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	360	N
Static axial stiffness, preload class A		283	N/µm
Preload class B	G_B	720	N
Static axial stiffness, preload class B		373	N/µm
Preload class C	G_C	1440	N
Static axial stiffness, preload class C		498	N/µm
Preload class D	G_D	2880	N
Static axial stiffness, preload class D		680	N/µm
Calculation factors
Calculation factor	f	1.23
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

0.68

Model Number: S71920 ACD/HCP4A
Inner Diameter：100mm Outer Diameter：140mm Width：20mm
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：2026-04-16
Application:Pump,diagnostic test paper,thread processing machine,diving equipment,Other Machine Tools,mechanical annex,air conditioning tools,small diesel generators,leather processing,Forklift industry,Die
Similar models:71920 ACB/P4AL 71920 CD/P4AH1 S71920 ACB/P4A 71920 CD/HCP4A 71920 CE/HCP4AL 71920 ACD/HCP4AH1 71920 CB/HCP4AL S71920 ACE/HCP4A 71920 CE/HCP4A 71920 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in S71920ACD/HCP4A products，there is large inventory of SKF S71920 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 S71920 ACD/HCP4A Which SKF S71920ACD/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
23646	60.325	79.38	9.53	Seals
413006	1180	-	-	Seals
61821	105	130	13	Bearings, units and housings
BT4B 332824 E/C475	395	545	-	Bearings, units and housings
N 060	39.9542	-	299.339	Bearings, units and housings
NUP 2320 ECP	100	215	73	Bearings, units and housings
OKF 490	490	1030	-
PPM 141615	14	16	15	Bearings, units and housings
QJ 1064 N2MA	320	480	74	Bearings, units and housings
SNL 3052 TURA	240	-	-	Bearings, units and housings
T4DB 180	180	240	32	Bearings, units and housings
W 61810-2RS1	50	65	7	Bearings, units and housings

Purchase the SKF S71920 ACD/HCP4A Please fill in the following

Hot number： 18x40x7 HMS5 V 2216 EKTN9 BD-23948 CCK/W33-OH 3948 H 30x45x7 HMSA10 RG 30x72x8 CRW1 R 45x75x8 HMS5 V 71907 CB/HCP4A 71932 ACD/P4A 90898 TQO design H 2340 L NNU 41/750 M/W33 NUKRE 47 A SAF 23056 KATLC x 10.7/16 W 6001-2RS1/VP311