Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7021 CD/P4A

S7021 CD/P4A

Dimensions

d		105	mm
D		160	mm
B		26	mm
d₁		121.9	mm
d₂		121.9	mm
D₂		146.75	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_a	max.	121.3	mm
d_b	min.	114	mm
d_b	max.	121.3	mm
D_a	max.	151	mm
D_b	max.	155	mm
r_a	max.	2	mm
r_b	max.	1	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
Ball diameter	D_w	17.462	mm
Number of balls	z	21
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

1.61

Model Number: S7021 CD/P4A
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:raw material accessories,machining,dye pigments,Gear grinding machine,disposable,centrifugal pump,Beauty and Body,Spectrum Products,security,Display Devices,office outdoor camping equipment
Similar models:S7021 ACD/P4A S7021 CD/P4A 7021 ACD/P4A 7021 ACD/HCP4AL 7021 ACD/HCP4AH1 7021 ACD/HCP4A 7021 CD/P4AL 7021 CD/P4AH1 S7021 ACD/HCP4A 7021 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in S7021CD/P4A products，there is large inventory of SKF S7021 CD/P4A Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the S7021 CD/P4A Which SKF S7021CD/P4A 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
22x35x7 HMS5 RG	22	35	7	Seals
30x47x8 HMSA10 RG	30	47	8	Seals
315071 A	628	922	-	Bearings, units and housings
33011	55	90	27	Bearings, units and housings
53408 + U 408	40	90	38.2	Bearings, units and housings
BT2B 332604/HA1	431.8	571.5	-	Bearings, units and housings
KM 14	12	-	70	Bearings, units and housings
KR 40 XB	-	40	58	Bearings, units and housings
SI 25 ESX-2LS	25	-	20	Bearings, units and housings
SSAFS 22534	150.8125	-	-	Bearings, units and housings
W 637-2RS1	7	26	9	Bearings, units and housings
YAR 204-2FW/VA201	20	47	14	Bearings, units and housings

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Hot number： 12428 22405 26238 29492 EM 312979 D 51311 BT2B 331837 BD-C 39/850 KM-OH 39/850 HE DMB 8/12 IR 10x14x16 PBM 101616 M1 PBM 142012 M1G1 PCM 11512050 M PCM 606570 M WS 89326