Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 ACE/P4A

71920 ACE/P4A

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.4	mm
d₂		109	mm
D₁		127.51	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		39.2	mm

Abutment dimensions

d_a	min.	106	mm
d_b	min.	103.2	mm
D_a	max.	134	mm
D_b	max.	136.8	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		115.4	mm

Calculation data

Basic dynamic load rating	C	36.4	kN
Basic static load rating	C₀	30	kN
Fatigue load limit	P_u	1.14	kN
Attainable speed for grease lubrication		11500	r/min
Attainable speed for oil-air lubrication		18000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	24
Reference grease quantity	G_ref	10	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	332	N
Static axial stiffness, preload class A		187	N/µm
Preload class B	G_B	996	N
Static axial stiffness, preload class B		280	N/µm
Preload class C	G_C	1990	N
Static axial stiffness, preload class C		367	N/µm
Calculation factors
Calculation factor	f	1.18
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
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

0.77

Model Number: 71920 ACE/P4A
Inner Diameter：100mm Outer Diameter：140mm Width：20mm
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：2024-12-15
Application:Laser Cutting,Polymer,Small air generators,Textile Accessories,equipment,machining,pneumatic,Medical room equipment,test equipment,metallurgical mold,aerial work equipment
Similar models:71920 CB/HCP4AL 71920 ACD/P4AH1 71920 CE/P4AH1 S71920 ACE/HCP4A 71920 CD/P4AL S71920 CE/HCP4A 71920 ACB/P4A 71920 ACE/P4AH1 S71920 ACD/HCP4A 71920 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71920ACE/P4A products，there is large inventory of SKF 71920 ACE/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 71920 ACE/P4A Which SKF 71920ACE/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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
10655	27	44.501	6.35	Seals
130x160x15 HMSA10 V	130	160	15	Seals
15660	39.7002	64.2874	7.239	Seals
27x47x10 HMS5 RG	27	47	10	Seals
7024 ACD/P4A	120	180	28	Bearings, units and housings
D/W RW188	6.35	12.7	3.967	Bearings, units and housings
HJ 417	85	126	24	Bearings, units and housings
RNA 4924	135	165	45	Bearings, units and housings
SAF 1522 x 3.13/16	96.8375	-	-	Bearings, units and housings
SAW 23518 x 3.1/4	82.55	-	-	Bearings, units and housings
SNW 3124x4.1/4	107.95	120	87.7824	Bearings, units and housings
Z 202 F	15	-	4	Seals

Purchase the SKF 71920 ACE/P4A Please fill in the following

Hot number： 18734 20059 20x35x8 HMS5 RG 32283 39320 618/1000 MA 71944 CD/HCP4AL 85x115x12 HMS5 RG BK 2518 RS FYAWK 3/4 LTA FYTB 2. FM IR 190x210x50 NU 314 ECJ OKC 1000 SAW 23538 x 7 TLC