Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7210 CD/HCP4A

S7210 CD/HCP4A

Dimensions

d		50	mm
D		90	mm
B		20	mm
d₁		62.3	mm
d₂		62.3	mm
D₂		80.7	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		19.4	mm

Abutment dimensions

d_a	min.	57	mm
d_a	max.	61.5	mm
d_b	min.	57	mm
d_b	max.	61.5	mm
D_a	max.	83	mm
D_b	max.	85.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	44.9	kN
Basic static load rating	C₀	34	kN
Fatigue load limit	P_u	1.43	kN
Attainable speed for grease lubrication		19000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	15
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	170	N
Static axial stiffness, preload class A		72	N/µm
Preload class B	G_B	340	N
Static axial stiffness, preload class B		98	N/µm
Preload class C	G_C	680	N
Static axial stiffness, preload class C		137	N/µm
Preload class D	G_D	1360	N
Static axial stiffness, preload class D		198	N/µm
Calculation factors
Calculation factor	f	1.08
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	14.5

Mass

Mass bearing

0.39

Model Number: S7210 CD/HCP4A
Inner Diameter：50mm Outer Diameter：90mm Width：20mm
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:transportation equipment,Material handling equipment,drawing die,Laser Measurements,standing experimental equipment,tray industry,vacuum filter,mechanical annex,Medical room equipment,die casting mold,ventilation fans
Similar models:7210 BEP 7210 CD/HCP4A 7210 BEGAP S7210 CD/HCP4A 7210 BE-2RZP 7210 ACCBM S7210 ACD/HCP4A S7210 ACD/P4A 7210 BECBPH 7210 BECBM
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