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

7040 CD/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		59.8	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	296	kN
Basic static load rating	C₀	390	kN
Fatigue load limit	P_u	10.2	kN
Attainable speed for grease lubrication		5300	r/min
Attainable speed for oil-air lubrication		8000	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	1100	N
Static axial stiffness, preload class A		230	N/µm
Preload class B	G_B	2200	N
Static axial stiffness, preload class B		311	N/µm
Preload class C	G_C	4400	N
Static axial stiffness, preload class C		431	N/µm
Preload class D	G_D	8800	N
Static axial stiffness, preload class D		617	N/µm
Calculation factors
Calculation factor	f	1.14
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	1.02
Calculation factor	f₀	15.6

Mass

Mass bearing

10.1

Model Number: 7040 CD/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：2026-08-20
Application:lifting equipment Hoisting hoist,Grinding and polishing equipment,Forging machine,glass processing machine,hanging clamp,chromatography,mechanical and electrical,car steering pin,electromagnet,Garment Accessories,filter paper products
Similar models:PWM 607040 7040 CD/P4A PRM 657040 7040 ACD/P4A 7040 ACD/HCP4A 7040 ACD/P4AH1 7040 BGM 7040 CD/HCP4AH1 7040 CD/P4AH1 7040 CD/HCP4A
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Model No. Inner Diameter Outer Diameter Width Type

23224 CC/W33
FSYE 4 1/2
NJ 1896 MA
NNCL 4868 CV
SAW 23236 TLC

Purchase the SKF 7040 CD/HCP4A Please fill in the following

Hot number： BD-21317 EK-H 317 2213 E-2RS1KTN9 22248 CC/W33 24036-2CS5/VT143 3300342 6207 NR 6305-RZ 71917 CE/HCP4AH1 7308 BEGBP 891/600 M FSAF 1314 NCF 18/1120 V NKI 85/36 RN-3.5x19.8 BF/G2 SAF 1516 x 2.5/8 T

Model No.	Inner Diameter	Outer Diameter	Width	Type
23224 CC/W33
FSYE 4 1/2
NJ 1896 MA
NNCL 4868 CV
SAW 23236 TLC