Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7224 CD/HCP4A

7224 CD/HCP4A

Dimensions

d		120	mm
D		215	mm
B		40	mm
d₁		150.3	mm
d₂		150.3	mm
D₁		186.7	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
a		42.7	mm

Abutment dimensions

d_a	min.	132	mm
d_b	min.	132	mm
D_a	max.	203	mm
D_b	max.	208	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		158.2	mm

Calculation data

Basic dynamic load rating	C	199	kN
Basic static load rating	C₀	193	kN
Fatigue load limit	P_u	6.3	kN
Attainable speed for grease lubrication		8000	r/min
Attainable speed for oil-air lubrication		12000	r/min
Ball diameter	D_w	30.162	mm
Number of balls	z	15
Reference grease quantity	G_ref	69.084	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	750	N
Static axial stiffness, preload class A		154	N/µm
Preload class B	G_B	1500	N
Static axial stiffness, preload class B		209	N/µm
Preload class C	G_C	3000	N
Static axial stiffness, preload class C		289	N/µm
Preload class D	G_D	6000	N
Static axial stiffness, preload class D		414	N/µm
Calculation factors
Calculation factor	f	1.08
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	1.06
Calculation factor	f_HC	1.01
Calculation factor	f₀	14.6

Mass

Mass bearing

4.41

Model Number: 7224 CD/HCP4A
Inner Diameter：120mm Outer Diameter：215mm Width：40mm
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:Machine tool accessories,power source,electric pump,centrifugal pump,Material handling equipment,engineering machinery,storage shelves,generator,Pump,historical instruments,filter paper products
Similar models:7224 ACD/P4A 7224 ACD/HCP4A 7224 BGAM 7224 CD/P4A 7224 BM 7224 CD/HCP4A 7224 BCBM
BEARING POWER International Trading Co.,Ltd. specialize in 7224CD/HCP4A products，there is large inventory of SKF 7224 CD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7224 CD/HCP4A Which SKF 7224CD/HCP4A is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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