Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7212 CD/P4A

S7212 CD/P4A

Dimensions

d		60	mm
D		110	mm
B		22	mm
d₁		76.4	mm
d₂		76.4	mm
D₂		96.8	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		22.5	mm

Abutment dimensions

d_a	min.	69	mm
d_a	max.	75.6	mm
d_b	min.	69	mm
d_b	max.	75.6	mm
D_a	max.	101	mm
D_b	max.	105.8	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	57.2	kN
Basic static load rating	C₀	46.5	kN
Fatigue load limit	P_u	2	kN
Attainable speed for grease lubrication		13000	r/min
Ball diameter	D_w	14.288	mm
Number of balls	z	16
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	215	N
Static axial stiffness, preload class A		75	N/µm
Preload class B	G_B	430	N
Static axial stiffness, preload class B		102	N/µm
Preload class C	G_C	860	N
Static axial stiffness, preload class C		142	N/µm
Preload class D	G_D	1720	N
Static axial stiffness, preload class D		205	N/µm
Calculation factors
Calculation factor	f	1.07
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.03
Calculation factor	f_2D	1.05
Calculation factor	f_HC	1
Calculation factor	f₀	14.9

Mass

Mass bearing

0.82

Model Number: S7212 CD/P4A
Inner Diameter：60mm Outer Diameter：110mm Width：22mm
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：2021-06-05
Application:Industrial,Automobile,economic mold,Industrial,Hydraulic Rama,Machine tools,intermediate,ship special,Tool,medical equipment,machine tool spindle
Similar models:7212 BECBJ S7212 CD/HCP4A 7212 BECBY 7212 BEGBP 7212 BECBP 7212 CD/P4A 7212 ACD/P4A 7212 BEP S7212 ACD/P4A 7212 ACD/HCP4A
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