Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71952 CD/P4A

71952 CD/P4A

Dimensions

d		260	mm
D		360	mm
B		46	mm
d₁		291.8	mm
d₂		291.8	mm
D₁		328.2	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
a		64.7	mm

Abutment dimensions

d_a	min.	271	mm
d_b	min.	271	mm
D_a	max.	349	mm
D_b	max.	354	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		299.7	mm

Calculation data

Basic dynamic load rating	C	281	kN
Basic static load rating	C₀	425	kN
Fatigue load limit	P_u	10.2	kN
Attainable speed for grease lubrication		3400	r/min
Attainable speed for oil-air lubrication		5000	r/min
Ball diameter	D_w	30.162	mm
Number of balls	z	29
Reference grease quantity	G_ref	150	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	1050	N
Static axial stiffness, preload class A		249	N/µm
Preload class B	G_B	2100	N
Static axial stiffness, preload class B		339	N/µm
Preload class C	G_C	4200	N
Static axial stiffness, preload class C		475	N/µm
Preload class D	G_D	8400	N
Static axial stiffness, preload class D		688	N/µm
Calculation factors
Calculation factor	f	1.24
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.5

Mass

Mass bearing

12.2

Model Number: 71952 CD/P4A
Inner Diameter：260mm Outer Diameter：360mm Width：46mm
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：2026-01-02
Application:forklift truck,hydraulic control element,reducer,Industrial,Optical Instruments,Plastic Equipment,Other Measurements,cleaning agent,medical equipment,Switch,linear drive
Similar models:71952 CD/HCP4A 71952 ACD/HCP4A 71952 ACD/P4A 71952 CD/HCP4AL 71952 CD/P4AL 71952 ACD/HCP4AL 71952 CD/P4A
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Model No. Inner Diameter Outer Diameter Width Type

22322 EJA/VA406
6203/HR22Q2
TQO design
NATV 15 PPA
SAF 22244

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Hot number： 115x140x12 CRW1 V 24096 ECAK30/W33 505 VRME R 6219 BC2B 320117/HA4 FBSA 210 A/QBC GEZM 108 ESX-2LS NATV 8 PCZ 0508 E PCZ 2420 M RN-6x17.8 BF/G2 SHR 85 SYK 508 W 604-2Z W 61805-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
22322 EJA/VA406
6203/HR22Q2
TQO design
NATV 15 PPA
SAF 22244