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

S71920 CE/HCP4A

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.4	mm
d₂		109	mm
D₂		130.9	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		26.7	mm

Abutment dimensions

d_a	min.	106	mm
d_a	max.	111.8	mm
d_b	min.	103.2	mm
d_b	max.	108.4	mm
D_a	max.	134	mm
D_b	max.	136.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	39	kN
Basic static load rating	C₀	31.5	kN
Fatigue load limit	P_u	1.2	kN
Attainable speed for grease lubrication		15500	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	24
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	208	N
Static axial stiffness, preload class A		81	N/µm
Preload class B	G_B	624	N
Static axial stiffness, preload class B		129	N/µm
Preload class C	G_C	1250	N
Static axial stiffness, preload class C		178	N/µm
Calculation factors
Calculation factor	f	1.18
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.05
Calculation factor	f_2C	1.09
Calculation factor	f_HC	1.01
Calculation factor	f₀	8.5

Mass

Mass bearing

0.66

Model Number: S71920 CE/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：2025-11-29
Application:Antenna Industry,relay,pump accessories,metering pump,Body shaping,instrument,squeeze machine etc,turret industry,Blood coagulation reagent,Internal thread type,milling head plug
Similar models:71920 ACD/HCP4AH1 71920 CD/P4A 71920 CE/HCP4A 71920 ACD/P4AH1 71920 CB/HCP4AL S71920 ACD/P4A S71920 ACE/HCP4A 71920 CB/P4AL 71920 ACB/P4AL 71920 CD/HCP4AL
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130x160x13 CRS1 R	130	160	13	Seals
415002	1360	-	-	Seals
55x80x8 CRW1 V	55	80	8	Seals
812/630 M	630	850	175	Bearings, units and housings
99326	82.55	91.059	22.225	Seals
BT4B 334011	368.3	523.875	-	Bearings, units and housings
K 14x20x12	14	20	12	Bearings, units and housings
NU 1068 MA	340	520	82	Bearings, units and housings
PBMF 506050 M1G1	50	60	50	Bearings, units and housings
SAF 22618 x 3.1/4	82.55	-	-	Bearings, units and housings
SAFS 22540 x 7.1/8 T	180.975	-	-	Bearings, units and housings
SYE 2 3/4	69.85	-	-	Bearings, units and housings

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Hot number： 1204 ETN9 17653 30x62x7 HMS5 V 331676 A 35409 35x65x8 CRW1 R 43x62x8 HMSA10 V 90065 ECW 208 FBSA 206/DF NKI 32/30 NU 2212 ECJ NU 2311 ECML S7024 CD/HCP4A SAF 1616 x 2.3/4 TLC