Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71924 ACD/P4A

71924 ACD/P4A

Dimensions

d		120	mm
D		165	mm
B		22	mm
d₁		133.9	mm
d₂		133.9	mm
D₁		151.1	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		44.4	mm

Abutment dimensions

d_a	min.	126	mm
d_b	min.	126	mm
D_a	max.	159	mm
D_b	max.	161	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		137.6	mm

Calculation data

Basic dynamic load rating	C	72.8	kN
Basic static load rating	C₀	86.5	kN
Fatigue load limit	P_u	3.05	kN
Attainable speed for grease lubrication		7000	r/min
Attainable speed for oil-air lubrication		11000	r/min
Ball diameter	D_w	14.288	mm
Number of balls	z	28
Reference grease quantity	G_ref	15.3	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	450	N
Static axial stiffness, preload class A		302	N/µm
Preload class B	G_B	900	N
Static axial stiffness, preload class B		396	N/µm
Preload class C	G_C	1800	N
Static axial stiffness, preload class C		529	N/µm
Preload class D	G_D	3600	N
Static axial stiffness, preload class D		724	N/µm
Calculation factors
Calculation factor	f	1.26
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

1.15

Model Number: 71924 ACD/P4A
Inner Diameter：120mm Outer Diameter：165mm Width：22mm
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：2026-04-16
Application:stamping die and its equipment,Individual Wire,gear type,mobile toilet,Industrial,transistor fittings,forming machine,metallurgical mold,Wire grinder,survey accessories,Spectrum Products
Similar models:S71924 ACB/HCP4A 71924 ACE/HCP4AL 71924 CD/HCP4AH1 71924 ACD/P4AL 71924 CD/HCP4A 71924 CE/HCP4A 71924 ACE/P4AL 71924 ACE/HCP4AH1 S71924 ACE/HCP4A 71924 CD/P4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71924ACD/P4A products，there is large inventory of SKF 71924 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 71924 ACD/P4A Which SKF 71924ACD/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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W 630/3-2Z	3	9	5	Bearings, units and housings

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Hot number： 13700 16069 16246 BD-23034 CCK/W33-AH 3034 555364 71915 ACB/P4AL AOH 24052 G C 2244 K N 1015 KTN/SP N 1009 KPHA/HC5SP RN-2.5x13.8 BF/G2 S71920 ACD/HCP4A SNW 124x4.1/16 SY 25 FM WS 89311