Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71917 CD/HCP4AL

71917 CD/HCP4AL

Dimensions

d		85	mm
D		120	mm
B		18	mm
d₁		95.8	mm
d₂		95.8	mm
D₁		109.2	mm
b		2.6	mm
C₁		9.3	mm
C₂		4	mm
C₃		2.8	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_b	min.	91	mm
D_a	max.	114	mm
D_b	max.	116	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		98.6	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
Attainable speed for oil-air lubrication		20000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	25
Reference grease quantity	G_ref	7.2	cm³
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

0.45

Model Number: 71917 CD/HCP4AL
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：2021-06-04
Application:electrocardiograph,storage shelves,auto tools,diving equipment,water,van,beverage production,hydraulic cylinder,decoration machinery,Gear grinding machine,Hydraulic Couplings
Similar models:S71917 ACB/P4A 71917 ACD/P4AH1 71917 ACB/HCP4A 71917 CE/P4AL 71917 CE/HCP4AH1 71917 ACD/HCP4AH1 71917 CB/HCP4AL 71917 CD/HCP4AH1 71917 ACD/P4A 71917 CE/HCP4A
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27280	69.85	88.9	11.13	Seals
36157	92.075	111.15	9.53	Seals
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7019 ACE/P4AH1	95	145	24	Bearings, units and housings
FY 1. TF/VA201	25.4	-	38.8	Bearings, units and housings
HJ 304 EC	20	31.25	6.5	Bearings, units and housings
NCF 2230 ECJB	150	270	73	Bearings, units and housings
SAW 23536 x 6.5/16 T	160.3375	-	-	Bearings, units and housings
SCF 90 ES	90	-	60	Bearings, units and housings

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Hot number： 1375240 145x180x12 HMS5 RG 15699 26x38x7 HMS5 RG 50x85x13 CRSH1 R 628/7-2Z 99823 C 5918 MB FY 2. TF/VA228 FYK 35 LD NCF 3048 CV PSM 9011080 A51 S7010 ACE/HCP4A SAF 22538 x 7 SSAFS 23038 KAT x 6.7/8