Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71913 CD/HCP4A

S71913 CD/HCP4A

Dimensions

d		65	mm
D		90	mm
B		13	mm
d₁		72.7	mm
d₂		72.7	mm
D₂		84.5	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		17	mm

Abutment dimensions

d_a	min.	69.6	mm
d_a	max.	72.1	mm
d_b	min.	69.6	mm
d_b	max.	72.1	mm
D_a	max.	85.4	mm
D_b	max.	88	mm
r_a	max.	1	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	20.8	kN
Basic static load rating	C₀	17	kN
Fatigue load limit	P_u	0.71	kN
Attainable speed for grease lubrication		17000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	26
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	80	N
Static axial stiffness, preload class A		62	N/µm
Preload class B	G_B	160	N
Static axial stiffness, preload class B		84	N/µm
Preload class C	G_C	320	N
Static axial stiffness, preload class C		115	N/µm
Preload class D	G_D	640	N
Static axial stiffness, preload class D		164	N/µm
Calculation factors
Calculation factor	f	1.2
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	10.7

Mass

Mass bearing

0.18

Model Number: S71913 CD/HCP4A
Inner Diameter：65mm Outer Diameter：90mm Width：13mm
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：2026-04-19
Application:mathematical instruments,internal combustion engine,CNC,quality inspection equipment,surgical instruments,pump accessories,Garment Accessories,shoe-making machinery,noise inspection,magnetic elements,X-ray Equipment
Similar models:71913 CE/HCP4AL 71913 ACE/P4AH1 S71913 ACD/HCP4A 71913 ACD/HCP4AL S71913 CD/P4A 71913 ACD/P4AL 71913 CD/P4A S71913 ACE/HCP4A 71913 ACB/P4AL 71913 ACE/HCP4AL
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Model No.	Inner Diameter	Outer Diameter	Width	Type
17x28x7 HMS5 V	17	28	7	Seals
729 ACD/P4A	9	26	8	Bearings, units and housings
FYTB 17 TF	17	-	-	Bearings, units and housings
GEH 100 ES-2RS	100	160	55	Bearings, units and housings
HE 2318 E/L73	82.55	120	73	Bearings, units and housings
NA 22/6.2RS	6	19	11.8	Bearings, units and housings
SAF 22544 x 7.7/8	200.025	-	-	Bearings, units and housings
RNU 2210 ECJ	59.5	90	23	Bearings, units and housings
S7021 CD/HCP4A	105	160	26	Bearings, units and housings
SAF 23024 KAT x 4	101.6	-	-	Bearings, units and housings
SY 511 M	-	-	-	Bearings, units and housings
YSPAG 207-106	34.92	72	39.7	Bearings, units and housings

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Hot number： 2215 ETN9 27293 325 VA V 309-2Z 3212 ATN9 45x85x10 HMSA10 V 7048 CD/P4A 7204 ACD/HCP4A KML 32 NCF 3092 CV PSMF 050908 A51 RNA 4903 S7213 CD/HCP4A SAFS 22516-11 x 2.5/8 W 6203-2Z