Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7210 CD/HCP4A

7210 CD/HCP4A

Dimensions

d		50	mm
D		90	mm
B		20	mm
d₁		62.3	mm
d₂		62.3	mm
D₁		77.7	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_b	min.	57	mm
D_a	max.	83	mm
D_b	max.	85.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		65.6	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
Attainable speed for oil-air lubrication		30000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	15
Reference grease quantity	G_ref	6.708	cm³
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: 7210 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：2024-12-13
Application:Storage Device,boring bar boring bar,municipal machinery,internal combustion engine,Cylinder Special,ventilator anesthesia machine etc,metal mold,Antenna Industry,van,equipment,transistor fittings
Similar models:S7210 CD/P4A 7210 CD/HCP4A S7210 ACD/HCP4A 7210 BEGAP 7210 BECBM 7210 BECBP 7210 BEGBP 7210 ACCBM S7210 CD/HCP4A 7210 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 7210CD/HCP4A products，there is large inventory of SKF 7210 CD/HCP4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7210 CD/HCP4A Which SKF 7210CD/HCP4A 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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