Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71902 CD/P4A

S71902 CD/P4A

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		56000	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		16	N/µm
Preload class B	G_B	30	N
Static axial stiffness, preload class B		21	N/µm
Preload class C	G_C	60	N
Static axial stiffness, preload class C		29	N/µm
Preload class D	G_D	120	N
Static axial stiffness, preload class D		41	N/µm
Calculation factors
Calculation factor	f	1.05
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	9.6

Mass

Mass bearing

0.016

Model Number: S71902 CD/P4A
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：2021-06-09
Application:turret industry,Beauty and Body,rolling mill roll neck and slowdown device,Automation,large agricultural machinery,Gripper Swing,Broadcasting System,Security Equipment,engineering machine,air conditioning tools,Small air generators
Similar models:S71902 ACD/P4A 71902 CE/P4A 71902 ACD/P4A 71902 CE/HCP4A S71902 CD/HCP4A 71902 ACE/HCP4AH 71902 ACE/P4AH S71902 CD/P4A 71902 CD/P4A S71902 ACD/HCP4A
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Hot number： 294/1060 EF 29413 E 30217/DF 61210 614609 7319 BEGAY 7440 AOH 3184 G GEZ 412 ESX-2LS GEZH 312 ES-2LS HM 52 T SAF 23024 KATLC x 4.3/16 SAFS 22534 x 5.7/8 TLC SSAFS 23034 KA x 5.7/8 WS 81138