Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71913 CD/HCP4A

71913 CD/HCP4A

Dimensions

d		65	mm
D		90	mm
B		13	mm
d₁		72.7	mm
d₂		72.7	mm
D₁		82.3	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_b	min.	69.6	mm
D_a	max.	85.4	mm
D_b	max.	88	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		74.7	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
Attainable speed for oil-air lubrication		26000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	26
Reference grease quantity	G_ref	2.85	cm³
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

0.17

Model Number: 71913 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：2026-04-20
Application:light therapy instrument,ultra-quiet generators,stamping die and its equipment,office equipment,Water Monitoring,medical treatment,top industry,car and accessories,Cylinder Micro,glass,non-ferrous metal alloy
Similar models:71913 CE/P4AL S71913 ACB/HCP4A 71913 ACD/HCP4A 71913 ACE/P4AL 71913 CB/P4AL 71913 CD/HCP4AL 71913 CD/HCP4A 71913 ACD/P4AL 71913 CB/HCP4A 71913 CB/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71913CD/HCP4A products，there is large inventory of SKF 71913 CD/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 71913 CD/HCP4A Which SKF 71913CD/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.

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30 VS R	27	-	-	Seals
524226	965.2	-	-	Seals
624-2Z	4	13	5	Bearings, units and housings
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71912 ACE/HCP4AL	60	85	13	Bearings, units and housings
NJ 2312 ECPH	60	130	46	Bearings, units and housings
NUP 29/1180 ECMA/HA1	1180	1540	206	Bearings, units and housings
PCM 141620 M	14	16	20	Bearings, units and housings
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SAFS 22516 x 2.5/8 TLC	66.675	-	-	Bearings, units and housings
SILJ 25 ES	25	-	20	Bearings, units and housings
SSAFS 22538 T	176.2125	-	-	Bearings, units and housings

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