Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7021 CD/HCP4AL

7021 CD/HCP4AL

Dimensions

d		105	mm
D		160	mm
B		26	mm
d₁		121.9	mm
d₂		121.9	mm
D₁		143.1	mm
b		2.4	mm
C₁		14.1	mm
C₂		6.2	mm
C₃		5	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		30.8	mm

Abutment dimensions

d_a	min.	114	mm
d_b	min.	114	mm
D_a	max.	151	mm
D_b	max.	155	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		125.6	mm

Calculation data

Basic dynamic load rating	C	95.6	kN
Basic static load rating	C₀	96.5	kN
Fatigue load limit	P_u	3.6	kN
Attainable speed for grease lubrication		10000	r/min
Attainable speed for oil-air lubrication		15000	r/min
Ball diameter	D_w	17.462	mm
Number of balls	z	21
Reference grease quantity	G_ref	20.4	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	360	N
Static axial stiffness, preload class A		129	N/µm
Preload class B	G_B	720	N
Static axial stiffness, preload class B		176	N/µm
Preload class C	G_C	1440	N
Static axial stiffness, preload class C		248	N/µm
Preload class D	G_D	2880	N
Static axial stiffness, preload class D		359	N/µm
Calculation factors
Calculation factor	f	1.15
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.05
Calculation factor	f_2D	1.09
Calculation factor	f_HC	1.02
Calculation factor	f₀	15.7

Mass

Mass bearing

1.32

Model Number: 7021 CD/HCP4AL
Inner Diameter：105mm Outer Diameter：160mm Width：26mm
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：2026-04-17
Application:ECG,motor,Plastic Equipment,thread processing machine,directional control valve,spreader series,medical treatment,medical equipment,tobacco machinery,disposable,Perfusion device
Similar models:7021 ACD/HCP4A 7021 ACD/P4AH1 7021 ACD/P4AL 7021 ACD/HCP4AH1 7021 CD/HCP4AH1 S7021 CD/P4A 7021 ACD/HCP4AL 7021 ACD/P4A 7021 CD/P4A 7021 CD/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 7021CD/HCP4AL products，there is large inventory of SKF 7021 CD/HCP4AL Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 7021 CD/HCP4AL Which SKF 7021CD/HCP4AL 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-22217 EK-H 317	75	150	36	Bearings, units and housings
390 VE R	381	-	-	Seals
47x65x10 HMSA10 RG	47	65	10	Seals
65x110x10 HMSA10 RG	65	110	10	Seals
7080 AM	400	600	90	Bearings, units and housings
71915 CB/HCP4AL	75	105	16	Bearings, units and housings
82526	209.55	241.3	15.88	Seals
BD-C 3192 KM-AOHX 3192 G	440	760	240	Bearings, units and housings
GEP 670 FS	670	950	450	Bearings, units and housings
PWM 150165150	150	165	150	Bearings, units and housings
SAF 22515 x 2.1/2 T	63.5	-	-	Bearings, units and housings
SAFS 23028 KATLC x 4.7/8	123.825	-	-	Bearings, units and housings

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