Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71908 ACB/P4A

S71908 ACB/P4A

Dimensions

d		40	mm
D		62	mm
B		12	mm
d₁		48.46	mm
d₂		47.6	mm
D₂		55.64	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		20.2	mm

Abutment dimensions

d_a	min.	43.2	mm
d_a	max.	47.9	mm
d_b	min.	43.2	mm
d_b	max.	47	mm
D_a	max.	58.8	mm
D_b	max.	60	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	6.76	kN
Basic static load rating	C₀	6.4	kN
Fatigue load limit	P_u	0.166	kN
Attainable speed for grease lubrication		28000	r/min
Ball diameter	D_w	3.969	mm
Number of balls	z	28
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	31	N
Static axial stiffness, preload class A		65	N/µm
Preload class B	G_B	62	N
Static axial stiffness, preload class B		83	N/µm
Preload class C	G_C	185	N
Static axial stiffness, preload class C		124	N/µm
Calculation factors
Calculation factor	f	1.06
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

0.12

Model Number: S71908 ACB/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：2024-12-13
Application:raw material accessories,special broaching machine,machining,wall industry,bio-chemical,Display Devices,tapping machine,gear grinding machine,ECG,pressure control valve,Display Devices
Similar models:71908 ACE/P4AL S71908 ACD/HCP4A 71908 CE/P4AH1 71908 ACE/P4A S71908 ACD/P4A 71908 CE/HCP4AH1 S71908 CB/HCP4A 71908 CE/HCP4A 71908 ACB/P4A 71908 CB/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in S71908ACB/P4A products，there is large inventory of SKF S71908 ACB/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 S71908 ACB/P4A Which SKF S71908ACB/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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