Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71917 CD/HCP4A

S71917 CD/HCP4A

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		95.8	mm
d₂		95.8	mm
D₂		112.12	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		22.8	mm

Abutment dimensions

d_a	min.	91	mm
d_a	max.	95.2	mm
d_b	min.	91	mm
d_b	max.	95.2	mm
D_a	max.	114	mm
D_b	max.	116	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	46.2	kN
Basic static load rating	C₀	48	kN
Fatigue load limit	P_u	2.04	kN
Attainable speed for grease lubrication		14000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	25
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	170	N
Static axial stiffness, preload class A		99	N/µm
Preload class B	G_B	340	N
Static axial stiffness, preload class B		135	N/µm
Preload class C	G_C	680	N
Static axial stiffness, preload class C		191	N/µm
Preload class D	G_D	1360	N
Static axial stiffness, preload class D		279	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	16.2

Mass

Mass bearing

0.46

Model Number: S71917 CD/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：2026-04-17
Application:Gas turbine,Wire grinder,building decoration raw materials and accessories,static control,Infrared Technology,metallurgical mold,bathroom facilities,non-motor vehicle Electric car,engineering machinery,Cylinder Micro,sheet industry
Similar models:S71917 CB/HCP4A 71917 ACE/HCP4A S71917 CD/HCP4A 71917 ACE/P4AL 71917 ACD/HCP4AH1 71917 ACD/P4AH1 S71917 CB/P4A 71917 ACE/HCP4AL 71917 ACD/HCP4AL 71917 CD/P4AH1
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71918 CE/HCP4A	90	125	18	Bearings, units and housings
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GS 89313	65	115	10.5	Bearings, units and housings
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NJ 332 ECML	160	340	68	Bearings, units and housings
NK 8/12 TN	8	15	12	Bearings, units and housings
NKI 75/25	75	105	25	Bearings, units and housings
PRM 808540	80	85	40	Bearings, units and housings

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Hot number： 13845 210x245x16 HDS1 R 22425 6595 71928 CD/P4AL 99146 BA 6 BT4B 331089 CG/HA1 FSAF 22311 T FY 1.1/2 TDW FY 1.11/16 DTF SAFS 22236 SILJ 40 ES SYE 2-18 W 619/2 XR