Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7040 ACD/P4A

7040 ACD/P4A

Dimensions

d		200	mm
D		310	mm
B		51	mm
d₁		233.9	mm
d₂		233.9	mm
D₁		276.1	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
a		85.3	mm

Abutment dimensions

d_a	min.	211	mm
d_b	min.	211	mm
D_a	max.	299	mm
D_b	max.	304	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		243.2	mm

Calculation data

Basic dynamic load rating	C	281	kN
Basic static load rating	C₀	365	kN
Fatigue load limit	P_u	9.8	kN
Attainable speed for grease lubrication		4000	r/min
Attainable speed for oil-air lubrication		6000	r/min
Ball diameter	D_w	34.925	mm
Number of balls	z	21
Reference grease quantity	G_ref	153	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	1750	N
Static axial stiffness, preload class A		509	N/µm
Preload class B	G_B	3500	N
Static axial stiffness, preload class B		660	N/µm
Preload class C	G_C	7000	N
Static axial stiffness, preload class C		871	N/µm
Preload class D	G_D	14000	N
Static axial stiffness, preload class D		1170	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
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

12.3

Model Number: 7040 ACD/P4A
Inner Diameter：200mm Outer Diameter：310mm Width：51mm
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：2025-12-09
Application:Medical printer,Cylinder Type,chamfer,tube,generator,Material handling equipment,mechanical annex,switch,Vertical pull,wheel lathe,Perfusion device
Similar models:7040 CD/P4AH1 7040 CD/HCP4AH1 PWM 607040 7040 ACD/HCP4A 7040 ACD/P4A 7040 CD/P4A 7040 CD/HCP4A PRM 657040 HM 807040/010 7040 ACD/P4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 7040ACD/P4A products，there is large inventory of SKF 7040 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 7040 ACD/P4A Which SKF 7040ACD/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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