Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71902 CD/HCP4A

S71902 CD/HCP4A

Dimensions

d		15	mm
D		28	mm
B		7	mm
d₁		18.9	mm
d₂		18.9	mm
D₂		25.8	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		6.4	mm

Abutment dimensions

d_a	min.	17	mm
d_a	max.	18.5	mm
d_b	min.	17	mm
d_b	max.	18.5	mm
D_a	max.	26	mm
D_b	max.	26.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	3.97	kN
Basic static load rating	C₀	1.9	kN
Fatigue load limit	P_u	0.08	kN
Attainable speed for grease lubrication		70000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	13
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	15	N
Static axial stiffness, preload class A		18	N/µm
Preload class B	G_B	30	N
Static axial stiffness, preload class B		23	N/µm
Preload class C	G_C	60	N
Static axial stiffness, preload class C		32	N/µm
Preload class D	G_D	120	N
Static axial stiffness, preload class D		45	N/µm
Calculation factors
Calculation factor	f	1.05
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	9.6

Mass

Mass bearing

0.014

Model Number: S71902 CD/HCP4A
Inner Diameter：15mm Outer Diameter：28mm Width：7mm
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：2024-12-13
Application:Cutting Machine,preservation equipment,food packaging,chromatography,root canal filling,Industrial,magnetic elements,industry test,Material handling equipment,drawing die,blood cell reagent
Similar models:71902 ACE/HCP4AH 71902 CD/HCP4A 71902 CE/HCP4A S71902 CD/HCP4A 71902 CE/P4A 71902 ACD/P4A S71902 CD/P4A 71902 ACE/P4A 71902 CE/P4AH S71902 ACD/P4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
23240	58.7502	88.9	6.35	Seals
3061	7.9502	15.9	3.96	Seals
6217 NR	85	150	28	Bearings, units and housings
7220 BEP	100	180	34	Bearings, units and housings
7224 ACD/P4A	120	215	40	Bearings, units and housings
7314 BEGBY	70	150	35	Bearings, units and housings
94700/94113	177.8	288.925	63.5	Bearings, units and housings
D/W RW166	4.762	9.525	3.967	Bearings, units and housings
GS 89415	75	160	17	Bearings, units and housings
S71906 CB/P4A	30	47	9	Bearings, units and housings
S71916 ACD/P4A	80	110	16	Bearings, units and housings
SI 45 ES-2RS	45	-	32	Bearings, units and housings

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