Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7038 CD/HCP4A

7038 CD/HCP4A

Dimensions

d		190	mm
D		290	mm
B		46	mm
d₁		221.8	mm
d₂		221.8	mm
D₁		258.2	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
a		55.3	mm

Abutment dimensions

d_a	min.	201	mm
d_b	min.	201	mm
D_a	max.	279	mm
D_b	max.	284	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		229.7	mm

Calculation data

Basic dynamic load rating	C	247	kN
Basic static load rating	C₀	305	kN
Fatigue load limit	P_u	8.3	kN
Attainable speed for grease lubrication		5600	r/min
Attainable speed for oil-air lubrication		9000	r/min
Ball diameter	D_w	30.162	mm
Number of balls	z	22
Reference grease quantity	G_ref	114	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	950	N
Static axial stiffness, preload class A		218	N/µm
Preload class B	G_B	1900	N
Static axial stiffness, preload class B		295	N/µm
Preload class C	G_C	3800	N
Static axial stiffness, preload class C		411	N/µm
Preload class D	G_D	7600	N
Static axial stiffness, preload class D		591	N/µm
Calculation factors
Calculation factor	f	1.14
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.09
Calculation factor	f_HC	1.02
Calculation factor	f₀	15.9

Mass

Mass bearing

8.03

Model Number: 7038 CD/HCP4A
Inner Diameter：190mm Outer Diameter：290mm Width：46mm
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:Spectrum Products,Plastic molding,Medical room equipment,Roller,chemical,Spectrum Products,electronic components,ECG,Optical Instruments,engineering machine,Storage Tool
Similar models:7038 CD/P4AH1 7038 ACD/P4A 7038 BGM 7038 CD/P4A 7038 CD/HCP4AH1 7038 ACD/P4AH1 7038 ACD/HCP4A 7038 CD/HCP4A 7038 ACD/HCP4AH1
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