Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S7211 ACD/P4A

S7211 ACD/P4A

Dimensions

d		55	mm
D		100	mm
B		21	mm
d₁		68.9	mm
d₂		68.9	mm
D₂		89.1	mm
r_1,2	min.	1.5	mm
r_3,4	min.	0.6	mm
a		28.7	mm

Abutment dimensions

d_a	min.	64	mm
d_a	max.	68.1	mm
d_b	min.	64	mm
d_b	max.	68.1	mm
D_a	max.	91	mm
D_b	max.	95.8	mm
r_a	max.	1.5	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	52.7	kN
Basic static load rating	C₀	40.5	kN
Fatigue load limit	P_u	1.73	kN
Attainable speed for grease lubrication		13000	r/min
Ball diameter	D_w	14.288	mm
Number of balls	z	15
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	330	N
Static axial stiffness, preload class A		172	N/µm
Preload class B	G_B	660	N
Static axial stiffness, preload class B		224	N/µm
Preload class C	G_C	1320	N
Static axial stiffness, preload class C		296	N/µm
Preload class D	G_D	2640	N
Static axial stiffness, preload class D		399	N/µm
Calculation factors
Calculation factor	f	1.08
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.02
Calculation factor	f_2D	1.05
Calculation factor	f_HC	1
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.62

Model Number: S7211 ACD/P4A
Inner Diameter：55mm Outer Diameter：100mm Width：21mm
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：2026-04-16
Application:key lock,printing machinery,Antenna Potentials,powder metallurgy,horizontal processing,Vertical machining,molding machine,relay,Broadcasting System,multi-knife lathe,wire industry
Similar models:7211 BE-2RZP 7211 BECBM 7211 BECBP S7211 CD/P4A 7211 BEP S7211 ACD/P4A S7211 CD/HCP4A 7211 BECBY 7211 BECBJ 7211 ACCBM
BEARING POWER International Trading Co.,Ltd. specialize in S7211ACD/P4A products，there is large inventory of SKF S7211 ACD/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 S7211 ACD/P4A Which SKF S7211ACD/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
11776	30.1752	50.37	6.35	Seals
1181560	300.0502	350.82	22.23	Seals
13797	34.925	61.9	6.35	Seals
224x260x16 HDS1 R	224	260	16	Seals
45x65x8 HMS5 V	45	65	8	Seals
7014 ACE/HCP4AH1	70	110	20	Bearings, units and housings
71928 ACD/P4A	140	190	24	Bearings, units and housings
GEZM 312 ES-2RS	95.25	149.225	71.425	Bearings, units and housings
GS 89326	130	225	20	Bearings, units and housings
NNF 5052 ADA-2LSV	260	400	190	Bearings, units and housings
SHR 120	120	-	-	Coupling systems
W 618/2.5	2.5	6	1.8	Bearings, units and housings

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Hot number： 38x74x11 CRWA1 R 471601 71813 ACD/P4 71911 CD/P4AL 7212 CD/P4A 7406 BM FY 1.15/16 TF GEZH 408 ES-2LS IR 80x90x25 EGS NKIA 5903 NU 10/630 ECMA/HA2 PCMW 142601.5 M SAFS 23048 KA x 8.7/16 SIL 12 E W 61800 R-2RS1