Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71908 CE/P4A

71908 CE/P4A

Dimensions

d		40	mm
D		62	mm
B		12	mm
d₁		46.5	mm
d₂		44.8	mm
D₁		54.15	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		13.2	mm

Abutment dimensions

d_a	min.	43.2	mm
d_b	min.	42	mm
D_a	max.	58.8	mm
D_b	max.	60	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		48	mm

Calculation data

Basic dynamic load rating	C	9.75	kN
Basic static load rating	C₀	6.1	kN
Fatigue load limit	P_u	0.26	kN
Attainable speed for grease lubrication		32000	r/min
Attainable speed for oil-air lubrication		49000	r/min
Ball diameter	D_w	6.35	mm
Number of balls	z	19
Reference grease quantity	G_ref	1.4	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	52	N
Static axial stiffness, preload class A		32	N/µm
Preload class B	G_B	157	N
Static axial stiffness, preload class B		49	N/µm
Preload class C	G_C	315	N
Static axial stiffness, preload class C		67	N/µm
Calculation factors
Calculation factor	f	1.05
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	8.3

Mass

Mass bearing

0.1

Model Number: 71908 CE/P4A
Inner Diameter：40mm Outer Diameter：62mm Width：12mm
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：2026-04-19
Application:gear grinding machine,motorcycle,Other Measurements,Industrial,electronic components,air purification,extruder,Oral Equipment,tapered grinder,tube,standing experimental equipment
Similar models:71908 CB/HCP4AL 71908 ACB/P4AL S71908 ACE/HCP4A S71908 ACB/P4A 71908 ACB/HCP4AL 71908 CE/HCP4A S71908 CE/P4A 71908 CE/P4AL 71908 CE/HCP4AH1 71908 ACE/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71908CE/P4A products，there is large inventory of SKF 71908 CE/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 71908 CE/P4A Which SKF 71908CE/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.

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