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

7038 ACD/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		79.2	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	234	kN
Basic static load rating	C₀	290	kN
Fatigue load limit	P_u	8	kN
Attainable speed for grease lubrication		5300	r/min
Attainable speed for oil-air lubrication		8000	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	1450	N
Static axial stiffness, preload class A		523	N/µm
Preload class B	G_B	2900	N
Static axial stiffness, preload class B		681	N/µm
Preload class C	G_C	5800	N
Static axial stiffness, preload class C		898	N/µm
Preload class D	G_D	11600	N
Static axial stiffness, preload class D		1208	N/µm
Calculation factors
Calculation factor	f	1.14
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.08
Calculation factor	f_HC	1.02
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

8.03

Model Number: 7038 ACD/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：2026-04-16
Application:Broadcasting System,Industrial,diving equipment,surgical instruments,tube,extruder,Dental Equipment,Optical detection,Safety protection,Pneumatic Control Valves,Grinding and polishing equipment
Similar models:7038 BGM 7038 ACD/HCP4AH1 7038 CD/P4AH1 7038 ACD/P4A 7038 CD/P4A 7038 ACD/HCP4A 7038 CD/HCP4AH1 7038 ACD/P4AH1 7038 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7038ACD/HCP4A products，there is large inventory of SKF 7038 ACD/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 7038 ACD/HCP4A Which SKF 7038ACD/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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