Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71908 CE/HCP4AL

71908 CE/HCP4AL

Dimensions

d		40	mm
D		62	mm
B		12	mm
d₁		46.5	mm
d₂		44.8	mm
D₁		54.15	mm
b		2	mm
C₁		5.9	mm
C₂		1.8	mm
C₃		1.8	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		38000	r/min
Attainable speed for oil-air lubrication		58000	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		35	N/µm
Preload class B	G_B	157	N
Static axial stiffness, preload class B		55	N/µm
Preload class C	G_C	315	N
Static axial stiffness, preload class C		74	N/µm
Calculation factors
Calculation factor	f	1.05
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.05
Calculation factor	f_2C	1.09
Calculation factor	f_HC	1.01
Calculation factor	f₀	8.3

Mass

Mass bearing

0.088

Model Number: 71908 CE/HCP4AL
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：2025-11-28
Application:Water Monitoring,Pneumatic Control Valves,Wire grinder,Textile Industry Accessories and Accessories,spreader series,Pest Monitoring,wheel lathe,Gear grinding machine,altimeter etc,rolling machine,Infrared Technology
Similar models:71908 CB/HCP4AL S71908 ACB/HCP4A 71908 CE/HCP4AH1 71908 CE/P4AH1 71908 CE/P4AL S71908 ACD/HCP4A 71908 ACB/HCP4AL 71908 ACB/P4A 71908 ACE/HCP4A 71908 CE/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71908CE/HCP4AL products，there is large inventory of SKF 71908 CE/HCP4AL 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/HCP4AL Which SKF 71908CE/HCP4AL 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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OH 3964 H	300	380	140	Bearings, units and housings
PCM 222525 M	22	25	25	Bearings, units and housings

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