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

71917 CB/HCP4A

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		98.2	mm
d₂		96.7	mm
D₂		110.2	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		25.5	mm

Abutment dimensions

d_a	min.	91	mm
d_b	min.	91	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		99.2	mm

Calculation data

Basic dynamic load rating	C	22.1	kN
Basic static load rating	C₀	26	kN
Fatigue load limit	P_u	0.68	kN
Attainable speed for grease lubrication		18000	r/min
Attainable speed for oil-air lubrication		28000	r/min
Ball diameter	D_w	6.747	mm
Number of balls	z	37
Reference grease quantity	G_ref	6.46	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	54	N
Static axial stiffness, preload class A		58	N/µm
Preload class B	G_B	110	N
Static axial stiffness, preload class B		76	N/µm
Preload class C	G_C	325	N
Static axial stiffness, preload class C		121	N/µm
Calculation factors
Calculation factor	f	1.11
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.03
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1.01
Calculation factor	f₀	10

Mass

Mass bearing

0.54

Model Number: 71917 CB/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：2025-12-09
Application:Animal Tracking,clean stationery,medical equipment,electromagnetic clutch,plastic molding,food packaging,steam Hydraulic control element,rock drilling machinery,Vertical pull,bathroom facilities,dye pigments
Similar models:S71917 CE/HCP4A 71917 ACE/P4A 71917 ACE/HCP4A 71917 ACB/P4A 71917 CD/HCP4AL 71917 ACD/HCP4AL 71917 CD/P4A 71917 ACD/P4A 71917 CD/P4AH1 S71917 ACD/HCP4A
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Hot number： 11123 330540 AG 530733 619/8-2RS1 6410 N 99111 FYTB 20 WF N 208 ECMB PCMF 182017 E PL 710 SAF 22624 x 4 TLC SNL 516-613 SSAFS 22536 x 6.3/8 W 63801-2RZ W 628/7 R-2Z