Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7040 ACD/HCP4A

7040 ACD/HCP4A

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		5000	r/min
Attainable speed for oil-air lubrication		7500	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		565	N/µm
Preload class B	G_B	3500	N
Static axial stiffness, preload class B		733	N/µm
Preload class C	G_C	7000	N
Static axial stiffness, preload class C		966	N/µm
Preload class D	G_D	14000	N
Static axial stiffness, preload class D		1298	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	1.02
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

10.1

Model Number: 7040 ACD/HCP4A
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：2026-04-16
Application:DC generators,power tools,Storage Tool,Food testing,trolley,vertical pull,beverage production,power protection,Insect Capture,hydraulic pump,X-ray Equipment
Similar models:7040 CD/HCP4AH1 7040 ACD/P4A 7040 CD/P4A HM 807040/010 7040 CD/HCP4A 7040 ACD/P4AH1 7040 ACD/HCP4A 7040 BGM PRM 657040 7040 ACD/HCP4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 7040ACD/HCP4A products，there is large inventory of SKF 7040 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 7040 ACD/HCP4A Which SKF 7040ACD/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
16062	41.275	57.1	7.95	Seals
307238	400	600	90	Bearings, units and housings
5151	12.7	34.93	6.35	Seals
618/800 MA	800	980	82	Bearings, units and housings
IR 12x15x12	12	15	12	Bearings, units and housings
NJ 1060 MA	300	460	74	Bearings, units and housings
NJ 348 ML	240	500	95	Bearings, units and housings
NJ 409 MAS	45	120	29	Bearings, units and housings
NU 20/600 ECMA	600	870	155	Bearings, units and housings
RLS 7	22.225	50.8	14.288	Bearings, units and housings
SYWR 1.3/8 YTHR	34.925	-	-	Bearings, units and housings
SYE 2 1/2 N	63.5	-	-	Bearings, units and housings

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