Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7009 CB/HCP4A

7009 CB/HCP4A

Dimensions

d		45	mm
D		75	mm
B		16	mm
d₁		56.44	mm
d₂		55.17	mm
D₂		65.58	mm
r_1,2	min.	1	mm
r_3,4	min.	0.6	mm
a		16.1	mm

Abutment dimensions

d_a	min.	49.6	mm
d_b	min.	49.6	mm
D_a	max.	70.4	mm
D_b	max.	71.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		57.2	mm

Calculation data

Basic dynamic load rating	C	13	kN
Basic static load rating	C₀	12.2	kN
Fatigue load limit	P_u	0.305	kN
Attainable speed for grease lubrication		30000	r/min
Attainable speed for oil-air lubrication		48000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	25
Reference grease quantity	G_ref	2.93	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	31	N
Static axial stiffness, preload class A		34	N/µm
Preload class B	G_B	62	N
Static axial stiffness, preload class B		45	N/µm
Preload class C	G_C	185	N
Static axial stiffness, preload class C		70	N/µm
Calculation factors
Calculation factor	f	1.05
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_HC	1.01
Calculation factor	f₀	9.6

Mass

Mass bearing

0.25

Model Number: 7009 CB/HCP4A
Inner Diameter：45mm Outer Diameter：75mm Width：16mm
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:sanitation facilities,medical equipment,lifting chain,storage and transportation equipment,Machine Tool Accessories,Hydraulic Rama,Forging machine,animal anatomy,vacuum suction cup,drawing die,Broadcasting System
Similar models:7009 CE/P4AH1 7009 CE/HCP4AL1 7009 ACB/HCP4AL 7009 ACE/P4A 7009 ACE/HCP4AL1 S7009 CB/HCP4A S7009 ACD/HCP4A 7009 ACE/HCP4A 7009 ACD/P4AH 7009 CE/P4AL
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Model No.	Inner Diameter	Outer Diameter	Width	Type
18x35x7 HMSA10 V	18	35	7	Seals
BD-23188 CAK/W33-OH 3188 H	410	720	226	Bearings, units and housings
24152-2CS5/VT143	260	440	180	Bearings, units and housings
28x38x8 HMS5 RG	28	38	8	Seals
34866	88.9	111.15	9.53	Seals
403256	292	-	-	Seals
6207-ZNR	35	72	17	Bearings, units and housings
7060 BGM	300	460	74	Bearings, units and housings
71912 CE/HCP4A	60	85	13	Bearings, units and housings
NAO 35x55x20	35	55	20	Bearings, units and housings
OKBS 78	78	-	-
PBM 051006 M1	5	10	6	Bearings, units and housings

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