Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7209 CD/HCP4A

S7209 CD/HCP4A

Dimensions

d		45	mm
D		85	mm
B		19	mm
d₁		57.3	mm
d₂		57.3	mm
D₂		75.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		18.3	mm

Abutment dimensions

d_a	min.	52	mm
d_a	max.	56.5	mm
d_b	min.	52	mm
d_b	max.	56.5	mm
D_a	max.	78	mm
D_b	max.	80.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	42.3	kN
Basic static load rating	C₀	31	kN
Fatigue load limit	P_u	1.32	kN
Attainable speed for grease lubrication		20000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	14
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	160	N
Static axial stiffness, preload class A		67	N/µm
Preload class B	G_B	320	N
Static axial stiffness, preload class B		92	N/µm
Preload class C	G_C	640	N
Static axial stiffness, preload class C		128	N/µm
Preload class D	G_D	1280	N
Static axial stiffness, preload class D		185	N/µm
Calculation factors
Calculation factor	f	1.07
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.03
Calculation factor	f_2D	1.06
Calculation factor	f_HC	1.01
Calculation factor	f₀	14.2

Mass

Mass bearing

0.35

Model Number: S7209 CD/HCP4A
Inner Diameter：45mm Outer Diameter：85mm Width：19mm
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:Cutting Machine,Display Devices,air shower etc,lifting equipment Hoisting hoist,Wire grinder,meat products machine,wheel lathe,orthodontic material,mechanical annex,printing machinery,milling head plug
Similar models:7209 BE-2RZP 7209 BEGAY S7209 ACD/HCP4A 7209 ACCBM S7209 CD/HCP4A 7209 BECBJ 7209 CD/P4A 7209 BEP 7209 BEGAPH 7209 CD/HCP4A
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Model No.	Inner Diameter	Outer Diameter	Width	Type
25x45x7 HMS5 V	25	45	7	Seals
30238/DF	190	340	-	Bearings, units and housings
45x85x10 HMSA10 RG	45	85	10	Seals
52414 M	55	250	107	Bearings, units and housings
53414 M + U 414	70	150	63.6	Bearings, units and housings
71901 CD/P4A	12	24	6	Bearings, units and housings
770 VE R	743	-	-	Seals
99356	90.5002	99.06	25.4	Seals
AHX 3124	115	120	75	Bearings, units and housings
NNC 4916 CV	80	110	30	Bearings, units and housings
NU 2216 ECML	80	140	33	Bearings, units and housings
SAFS 22544 x 7.1/2	190.5	-	-	Bearings, units and housings

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Hot number： 13944 23264 CCK/W33 32322 411403 54300 6217-2Z/VA208 56x72x8 HMSA10 RG 6209-RS1 707 ACE/P4A 71901 CE/P4A 7216 ACD/HCP4A BT4B 332716/HA1 PF 1. TR PSM 253525 A51 SYJ 513