Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71917 CE/HCP4A

71917 CE/HCP4A

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		96	mm
d₂		92.9	mm
D₁		109.22	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		23.4	mm

Abutment dimensions

d_a	min.	91	mm
d_b	min.	88.2	mm
D_a	max.	114	mm
D_b	max.	116.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		98.6	mm

Calculation data

Basic dynamic load rating	C	29.6	kN
Basic static load rating	C₀	23.2	kN
Fatigue load limit	P_u	0.95	kN
Attainable speed for grease lubrication		18000	r/min
Attainable speed for oil-air lubrication		28000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	23
Reference grease quantity	G_ref	7	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	160	N
Static axial stiffness, preload class A		69	N/µm
Preload class B	G_B	479	N
Static axial stiffness, preload class B		109	N/µm
Preload class C	G_C	957	N
Static axial stiffness, preload class C		150	N/µm
Calculation factors
Calculation factor	f	1.16
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	8.4

Mass

Mass bearing

0.42

Model Number: 71917 CE/HCP4A
Inner Diameter：85mm Outer Diameter：120mm Width：18mm
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:tooth filling,Solenoid Valves,Pneumatic Actuator,aerial work platform,Generator,baler,metallurgical mold,extruder,standing experimental equipment,Sensors,forming machine
Similar models:71917 ACD/HCP4AH1 71917 ACD/P4A 71917 ACE/P4A S71917 ACB/P4A S71917 ACE/P4A 71917 ACD/P4AH1 71917 ACB/P4A S71917 ACE/HCP4A 71917 CE/P4AL 71917 CD/HCP4AH1
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