Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 727 CD/P4A

727 CD/P4A

Dimensions

d		7	mm
D		22	mm
B		7	mm
d₁		12.6	mm
d₂		12.6	mm
D₁		17.4	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		5.5	mm

Abutment dimensions

d_a	min.	9.4	mm
d_b	min.	9.4	mm
D_a	max.	19.6	mm
D_b	max.	20.2	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm
d_n		13.6	mm

Calculation data

Basic dynamic load rating	C	2.96	kN
Basic static load rating	C₀	1.16	kN
Fatigue load limit	P_u	0.049	kN
Attainable speed for grease lubrication		80000	r/min
Attainable speed for oil-air lubrication		120000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	9
Reference grease quantity	G_ref	0.162	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	12	N
Static axial stiffness, preload class A		11	N/µm
Preload class B	G_B	24	N
Static axial stiffness, preload class B		15	N/µm
Preload class C	G_C	48	N
Static axial stiffness, preload class C		21	N/µm
Preload class D	G_D	96	N
Static axial stiffness, preload class D		30	N/µm
Calculation factors
Calculation factor	f	1.02
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	1.05
Calculation factor	f_HC	1
Calculation factor	f₀	8.4

Mass

Mass bearing

0.013

Model Number: 727 CD/P4A
Inner Diameter：7mm Outer Diameter：22mm Width：7mm
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:journal lathe,Laser Devices,Handling machinery and various industrial machinery,Pest Monitoring,Garment Accessories,building decoration raw materials and accessories,comprehensive experiment,ventilation equipment,,Spectrum Products,squeeze machine etc
Similar models:727 CD/P4A 7272 BM 727 ACD/HCP4A 727 CD/HCP4A BT4B 328727 G/HA1VA901 PSM 607270 A51 727 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 727CD/P4A products，there is large inventory of SKF 727 CD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 727 CD/P4A Which SKF 727CD/P4A 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.

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