Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71905 CD/P4A

71905 CD/P4A

Dimensions

d		25	mm
D		42	mm
B		9	mm
d₁		30.6	mm
d₂		30.6	mm
D₁		36.4	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.2	mm
a		9	mm

Abutment dimensions

d_a	min.	27	mm
d_b	min.	27	mm
D_a	max.	40	mm
D_b	max.	40.6	mm
r_a	max.	0.3	mm
r_b	max.	0.2	mm
d_n		31.8	mm

Calculation data

Basic dynamic load rating	C	6.76	kN
Basic static load rating	C₀	4	kN
Fatigue load limit	P_u	0.17	kN
Attainable speed for grease lubrication		36000	r/min
Attainable speed for oil-air lubrication		53000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	18
Reference grease quantity	G_ref	0.54	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	25	N
Static axial stiffness, preload class A		24	N/µm
Preload class B	G_B	50	N
Static axial stiffness, preload class B		32	N/µm
Preload class C	G_C	100	N
Static axial stiffness, preload class C		44	N/µm
Preload class D	G_D	200	N
Static axial stiffness, preload class D		62	N/µm
Calculation factors
Calculation factor	f	1.07
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	10.2

Mass

Mass bearing

0.042

Model Number: 71905 CD/P4A
Inner Diameter：25mm Outer Diameter：42mm Width：9mm
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：2021-06-08
Application:Animal Tracking,Leather Products,Traffic Fire Protection Equipment Security equipment,supporting facilities,medical equipment,Industrial equipment,storage shelves,Reflective Materials Industrial fabrics,Microwave Equipment,car,fabric products
Similar models:71905 CE/P4AL 71905 ACE/HCP4A 71905 ACE/HCP4AL 71905 ACE/HCP4AH 71905 CE/HCP4A S71905 CE/P4A 71905 CD/HCP4A S71905 ACE/HCP4A S71905 CE/HCP4A 71905 CE/P4AH
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Hot number： 1300570 305-2Z 38x50x7 HMS5 RG 40x80x8 CRW1 R 619/5-2Z 7017 ACD/HCP4A 71920 ACE/HCP4AL 811/950 M BS2-2215-2RSK/VT143 FYT 2. TF/VA228 HA 3032 L 68149/110 QJ 306 N2MA SAF 22520 x 3.3/8 SNW 121x3.11/16