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

7040 CD/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		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		4500	r/min
Attainable speed for oil-air lubrication		6700	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		208	N/µm
Preload class B	G_B	2200	N
Static axial stiffness, preload class B		280	N/µm
Preload class C	G_C	4400	N
Static axial stiffness, preload class C		389	N/µm
Preload class D	G_D	8800	N
Static axial stiffness, preload class D		556	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
Calculation factor	f₀	15.6

Mass

Mass bearing

12.3

Model Number: 7040 CD/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:physical instruments,rolling machine,industrial skin care,forklift truck,textile machinery,Plastic molding,Material handling equipment,test laboratory equipment and accessories,enzyme,pneumatic Pump,other accessories
Similar models:7040 ACD/P4A 7040 ACD/P4AH1 7040 CD/HCP4A 7040 ACD/HCP4A 7040 ACD/HCP4AH1 7040 CD/P4A PRM 657040 7040 BGM 7040 CD/P4AH1 7040 CD/HCP4AH1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
11060	28.575	38.07	4.78	Seals
27394	69.85	95.28	6.35	Seals
401901	171	-	-	Seals
86643	-	-	28.58	Seals
BC4B 322039/HA1	500	670	-	Bearings, units and housings
FSAF 22515 T	61.9125	-	-	Bearings, units and housings
FSYE 3 7/16 N-118	87.3125	-	-	Bearings, units and housings
GB 4924	-	-	133	Bearings, units and housings
N 2207 ECM	35	72	23	Bearings, units and housings
PCMS 2005003.06 M	-	-	200	Bearings, units and housings
PFD 80	-	-	-	Bearings, units and housings
YSPAG 208	41.66	80	43.1	Bearings, units and housings

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Hot number： 15975 17310 23240 29872 BT4B 334042 E1/C575 C 2207 V FSAF 1215 TLC FY 1.11/16 TDW JL 69345/310 OH 3176 HE NUTR 3072 A RNA 4906.2RS SAF 1520 x 3.5/16 T SAFS 23024 KATLC-11 x 4 SNL 3060 G