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

7048 ACD/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		98.3	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	325	kN
Basic static load rating	C₀	465	kN
Fatigue load limit	P_u	11.4	kN
Attainable speed for grease lubrication		3400	r/min
Attainable speed for oil-air lubrication		5000	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	2050	N
Static axial stiffness, preload class A		571	N/µm
Preload class B	G_B	4100	N
Static axial stiffness, preload class B		743	N/µm
Preload class C	G_C	8200	N
Static axial stiffness, preload class C		979	N/µm
Preload class D	G_D	16400	N
Static axial stiffness, preload class D		1315	N/µm
Calculation factors
Calculation factor	f	1.15
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
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

17.1

Model Number: 7048 ACD/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：2026-04-16
Application:hydraulic cylinder,spreader series,lifting upgrade,Forging machine,Optical Instruments,Body shaping,Optical detection,education model Instruments,EEG,equipment,beverage production
Similar models:7048 ACD/P4A 7048 ACD/HCP4A 7048 CD/HCP4A 7048 BGM LM 67048/010 7048 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 7048ACD/P4A products，there is large inventory of SKF 7048 ACD/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 ACD/P4A Which SKF 7048ACD/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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