Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71905 CE/P4AL

71905 CE/P4AL

Dimensions

d		25	mm
D		42	mm
B		9	mm
d₁		30.7	mm
d₂		29.4	mm
D₁		36.39	mm
b		1.5	mm
C₁		4.6	mm
C₂		1.4	mm
C₃		0.9	mm
r_1,2	min.	0.3	mm
r_3,4	min.	0.15	mm
a		9.2	mm

Abutment dimensions

d_a	min.	27	mm
d_b	min.	27	mm
D_a	max.	40	mm
D_b	max.	41.2	mm
r_a	max.	0.3	mm
r_b	max.	0.15	mm
d_n		31.8	mm

Calculation data

Basic dynamic load rating	C	5.27	kN
Basic static load rating	C₀	2.85	kN
Fatigue load limit	P_u	0.12	kN
Attainable speed for grease lubrication		49000	r/min
Attainable speed for oil-air lubrication		75000	r/min
Ball diameter	D_w	4.762	mm
Number of balls	z	16
Reference grease quantity	G_ref	0.6	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	28	N
Static axial stiffness, preload class A		20	N/µm
Preload class B	G_B	85	N
Static axial stiffness, preload class B		32	N/µm
Preload class C	G_C	170	N
Static axial stiffness, preload class C		44	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_HC	1
Calculation factor	f₀	8.1

Mass

Mass bearing

0.04

Model Number: 71905 CE/P4AL
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：2026-04-17
Application:test strip,Reflective Materials Industrial fabrics,education model Instruments,Cutting Machine,Power equipment,Industrial,pneumatic Pump,chemical,trolley,Storage Tool,metal mold
Similar models:S71905 ACD/HCP4A 71905 ACD/HCP4A 71905 CE/P4AH 71905 ACE/HCP4A 71905 ACE/HCP4AH 71905 ACE/P4AH S71905 CE/HCP4A 71905 ACD/P4A 71905 CE/P4A 71905 CD/P4A
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Hot number： 1205 EKTN9 32540 412006 6205-2Z/VA201 71914 ACB/P4A 7203 BECBP BSA 210 C BD-C 2326 K/VE240-H 2326 C 4034 V NKI 90/26 NU 360 ECM OKC 170 SAFS 22530 x 5.1/4 TLC SNL 532 W 61805-2RS1