Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7048 ACD/HCP4A

7048 ACD/HCP4A

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		4300	r/min
Attainable speed for oil-air lubrication		6300	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		634	N/µm
Preload class B	G_B	4100	N
Static axial stiffness, preload class B		824	N/µm
Preload class C	G_C	8200	N
Static axial stiffness, preload class C		1086	N/µm
Preload class D	G_D	16400	N
Static axial stiffness, preload class D		1460	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	1.02
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

14.1

Model Number: 7048 ACD/HCP4A
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：2021-06-08
Application:enzyme,electromagnetic clutch,magnetic elements,plastic molding,engineering machine,climb ladder,casting embedding,Rolling mill,journal lathe,Optical Instruments,Embroidery
Similar models:7048 CD/HCP4A 7048 CD/P4A 7048 BGM LM 67048/010 7048 ACD/P4A 7048 ACD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7048ACD/HCP4A products，there is large inventory of SKF 7048 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 7048 ACD/HCP4A Which SKF 7048ACD/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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
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16 VS R	14	-	-	Seals
16005/HR22T2	25	47	8	Bearings, units and housings
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BD-23238 CCK/W33-AH 3238 G	180	340	120	Bearings, units and housings
235x270x16 HDS2 R	235	270	16	Seals
40x52x6 HMS5 V	40	52	6	Seals
7004 CD/HCP4A	20	42	12	Bearings, units and housings
71926 CD/HCP4AL	130	180	24	Bearings, units and housings
BT1B 332900	431.902	685.698	177.8	Bearings, units and housings
SNL 3156	220	-	-	Bearings, units and housings
SNW 3124x4.1/4	107.95	120	87.7824	Bearings, units and housings

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