Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7021 CD/P4AL

7021 CD/P4AL

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		8000	r/min
Attainable speed for oil-air lubrication		13000	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		117	N/µm
Preload class B	G_B	720	N
Static axial stiffness, preload class B		159	N/µm
Preload class C	G_C	1440	N
Static axial stiffness, preload class C		223	N/µm
Preload class D	G_D	2880	N
Static axial stiffness, preload class D		324	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
Calculation factor	f₀	15.7

Mass

Mass bearing

1.59

Model Number: 7021 CD/P4AL
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：2025-12-09
Application:Dental Equipment,forklift truck,meat products machine,Antenna Potentials,storage and transportation equipment,Wire grinder,crimping tools,Reflective Materials Industrial fabrics,food testing,pump accessories,industrial supplies
Similar models:7021 CD/P4AH1 S7021 ACD/P4A 7021 ACD/P4AL S7021 CD/P4A 7021 CD/HCP4AL 7021 CD/P4AL S7021 ACD/HCP4A 7021 ACD/HCP4AH1 7021 CD/HCP4A 7021 ACD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 7021CD/P4AL products，there is large inventory of SKF 7021 CD/P4AL 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/P4AL Which SKF 7021CD/P4AL 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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