Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71907 ACD/P4A

71907 ACD/P4A

Dimensions

d		35	mm
D		55	mm
B		10	mm
d₁		41.6	mm
d₂		41.6	mm
D₁		48.4	mm
r_1,2	min.	0.6	mm
r_3,4	min.	0.3	mm
a		15.6	mm

Abutment dimensions

d_a	min.	38.2	mm
d_b	min.	38.2	mm
D_a	max.	51.8	mm
D_b	max.	53.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_n		43	mm

Calculation data

Basic dynamic load rating	C	9.23	kN
Basic static load rating	C₀	6.2	kN
Fatigue load limit	P_u	0.26	kN
Attainable speed for grease lubrication		22000	r/min
Attainable speed for oil-air lubrication		36000	r/min
Ball diameter	D_w	5.556	mm
Number of balls	z	21
Reference grease quantity	G_ref	0.93	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	60	N
Static axial stiffness, preload class A		81	N/µm
Preload class B	G_B	120	N
Static axial stiffness, preload class B		105	N/µm
Preload class C	G_C	240	N
Static axial stiffness, preload class C		137	N/µm
Preload class D	G_D	480	N
Static axial stiffness, preload class D		183	N/µm
Calculation factors
Calculation factor	f	1.1
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.08
Calculation factor	f_2D	1.14
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

0.074

Model Number: 71907 ACD/P4A
Inner Diameter：35mm Outer Diameter：55mm Width：10mm
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：2025-12-09
Application:Liposuction device,Rolling mill gear box,manual Tools,sheet industry,Hydraulic Equipment,Film machine,Microwave Equipment,stirrer,water protection,Spectrum Products,wire industry
Similar models:71907 CB/HCP4A S71907 CD/HCP4A 71907 ACE/P4AH 71907 ACE/HCP4AL S71907 CD/P4A S71907 CE/P4A S71907 CE/HCP4A S71907 CB/P4A 71907 CE/P4AL S71907 ACE/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71907ACD/P4A products，there is large inventory of SKF 71907 ACD/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 71907 ACD/P4A Which SKF 71907ACD/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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