Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7048 CD/P4A

7048 CD/P4A

Dimensions

d		240	mm
D		360	mm
B		56	mm
d₁		277	mm
d₂		277	mm
D₁		323	mm
r_1,2	min.	3	mm
r_3,4	min.	1.5	mm
a		68.4	mm

Abutment dimensions

d_a	min.	253	mm
d_b	min.	253	mm
D_a	max.	347	mm
D_b	max.	354	mm
r_a	max.	2.5	mm
r_b	max.	1.5	mm
d_n		287	mm

Calculation data

Basic dynamic load rating	C	345	kN
Basic static load rating	C₀	490	kN
Fatigue load limit	P_u	12	kN
Attainable speed for grease lubrication		3800	r/min
Attainable speed for oil-air lubrication		5600	r/min
Ball diameter	D_w	38.1	mm
Number of balls	z	22
Reference grease quantity	G_ref	216	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	1300	N
Static axial stiffness, preload class A		234	N/µm
Preload class B	G_B	2600	N
Static axial stiffness, preload class B		316	N/µm
Preload class C	G_C	5200	N
Static axial stiffness, preload class C		438	N/µm
Preload class D	G_D	10400	N
Static axial stiffness, preload class D		627	N/µm
Calculation factors
Calculation factor	f	1.15
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	15.8

Mass

Mass bearing

17.1

Model Number: 7048 CD/P4A
Inner Diameter：240mm Outer Diameter：360mm 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：2026-04-19
Application:ship special,woodworking machinery,Industrial Electromechanical,shaft milling machine,hydraulic cylinder buffer,education model Instruments,motor,static control,journal lathe,linear drive,insect experimental analysis instrument
Similar models:7048 ACD/HCP4A 7048 CD/P4A 7048 BGM LM 67048/010 7048 ACD/P4A 7048 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7048CD/P4A products，there is large inventory of SKF 7048 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 7048 CD/P4A Which SKF 7048CD/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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