Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7222 CD/HCP4A

7222 CD/HCP4A

Dimensions

d		110	mm
D		200	mm
B		38	mm
d₁		138.7	mm
d₂		138.7	mm
D₁		171.3	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
a		39.9	mm

Abutment dimensions

d_a	min.	122	mm
d_b	min.	122	mm
D_a	max.	188	mm
D_b	max.	193	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		145.9	mm

Calculation data

Basic dynamic load rating	C	178	kN
Basic static load rating	C₀	166	kN
Fatigue load limit	P_u	5.6	kN
Attainable speed for grease lubrication		8500	r/min
Attainable speed for oil-air lubrication		13000	r/min
Ball diameter	D_w	26.988	mm
Number of balls	z	16
Reference grease quantity	G_ref	54.15	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	670	N
Static axial stiffness, preload class A		150	N/µm
Preload class B	G_B	1340	N
Static axial stiffness, preload class B		203	N/µm
Preload class C	G_C	2680	N
Static axial stiffness, preload class C		282	N/µm
Preload class D	G_D	5360	N
Static axial stiffness, preload class D		404	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	14.7

Mass

Mass bearing

3.86

Model Number: 7222 CD/HCP4A
Inner Diameter：110mm Outer Diameter：200mm Width：38mm
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:chamfer,Gear grinding machine,Equipment,extruder,powder metallurgy,machining,Broadcasting System,Spectrum Products,Wire grinder,generator,Rolling mill
Similar models:7222 BECBM 7222 BECCM 7222 CD/HCP4A 7222 CD/P4A 7222 BECBY 7222 BEP 7222 ACD/P4A 7222 BECBP 7222 ACD/HCP4A 7222 BEGAF
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AXW 10	10	27	2	Bearings, units and housings
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NATR 30 X	30	62	29	Bearings, units and housings
OKBS 45	45	-	-
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Hot number： BD-22260 CCK/W33-AOH 2260 G 22x36x7 HMSA10 V 239509 FA 32008 XR 600 VRME R 6008 N 87861 760 VE R 95 VA R NA 4906 NJ 305 ECML PCM 455050 M SAF 1316 SAF 22510 x 1.5/8 T SCF 45 ES