Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7044 CD/P4A

7044 CD/P4A

Dimensions

d		220	mm
D		340	mm
B		56	mm
d₁		257	mm
d₂		257	mm
D₁		303	mm
r_1,2	min.	3	mm
r_3,4	min.	1.5	mm
a		65.7	mm

Abutment dimensions

d_a	min.	233	mm
d_b	min.	233	mm
D_a	max.	327	mm
D_b	max.	334	mm
r_a	max.	2.5	mm
r_b	max.	1.5	mm
d_n		267.1	mm

Calculation data

Basic dynamic load rating	C	338	kN
Basic static load rating	C₀	455	kN
Fatigue load limit	P_u	11.6	kN
Attainable speed for grease lubrication		4000	r/min
Attainable speed for oil-air lubrication		6000	r/min
Ball diameter	D_w	38.1	mm
Number of balls	z	21
Reference grease quantity	G_ref	201	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	1250	N
Static axial stiffness, preload class A		222	N/µm
Preload class B	G_B	2500	N
Static axial stiffness, preload class B		300	N/µm
Preload class C	G_C	5000	N
Static axial stiffness, preload class C		415	N/µm
Preload class D	G_D	10000	N
Static axial stiffness, preload class D		592	N/µm
Calculation factors
Calculation factor	f	1.13
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
Calculation factor	f₀	15.6

Mass

Mass bearing

16.1

Model Number: 7044 CD/P4A
Inner Diameter：220mm Outer Diameter：340mm Width：56mm
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:pump,hydraulic actuator,pipe fittings Steel industry,equipment,Material handling equipment,reinforced machinery,Industrial,plastic blow molding,ECG,van,Machine Tool Accessories
Similar models:7044 ACD/HCP4A 7044 ACD/P4A 7044 CD/HCP4A 7044 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 7044CD/P4A products，there is large inventory of SKF 7044 CD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7044 CD/P4A Which SKF 7044CD/P4A 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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