Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 CD/P4AH1

71920 CD/P4AH1

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.3	mm
d₂		112.3	mm
D₁		127.7	mm
K		0.5	mm
C₁		5.46	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		26.1	mm

Abutment dimensions

d_a	min.	106	mm
d_b	min.	106	mm
D_a	max.	134	mm
D_b	max.	136	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		115.6	mm

Calculation data

Basic dynamic load rating	C	60.5	kN
Basic static load rating	C₀	65.5	kN
Fatigue load limit	P_u	2.55	kN
Attainable speed for grease lubrication		8500	r/min
Attainable speed for oil-air lubrication		14000	r/min
Ball diameter	D_w	12.7	mm
Number of balls	z	26
Reference grease quantity	G_ref	10.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	230	N
Static axial stiffness, preload class A		107	N/µm
Preload class B	G_B	460	N
Static axial stiffness, preload class B		147	N/µm
Preload class C	G_C	920	N
Static axial stiffness, preload class C		209	N/µm
Preload class D	G_D	1840	N
Static axial stiffness, preload class D		306	N/µm
Calculation factors
Calculation factor	f	1.23
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.04
Calculation factor	f_2C	1.09
Calculation factor	f_2D	1.15
Calculation factor	f_HC	1
Calculation factor	f₀	16.3

Mass

Mass bearing

0.8

Model Number: 71920 CD/P4AH1
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：2026-04-16
Application:squeeze machine etc,other CNC,Spectral Products,fruit and vegetable processing,Material handling equipment,medical treatment,other mold,Cylinder Type,directional control valve,Traffic Fire Protection Equipment Security equipment,glass
Similar models:71920 CE/P4AL 71920 CD/HCP4AL S71920 ACE/HCP4A 71920 ACE/HCP4AL S71920 ACD/P4A S71920 ACB/HCP4A 71920 CB/P4AL 71920 ACD/P4AH1 71920 ACB/P4A S71920 CD/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71920CD/P4AH1 products，there is large inventory of SKF 71920 CD/P4AH1 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 CD/P4AH1 Which SKF 71920CD/P4AH1 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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61248	155.575	190.55	14.3	Seals
6305 NR	25	62	17	Bearings, units and housings
D/W R168 R-2ZS	6.35	9.525	3.175	Bearings, units and housings
FY 2.1/2 TF	63.5	-	-	Bearings, units and housings
H 2316	70	105	78	Bearings, units and housings
IR 85x100x63	85	100	63	Bearings, units and housings
OH 39/530 HE	500	530	216	Bearings, units and housings
S7007 CD/P4A	35	62	14	Bearings, units and housings
SAW 23526 x 4.3/8 T	111.125	-	-	Bearings, units and housings
SNW 140x8	203.2	250.1646	179.959	Bearings, units and housings

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Hot number： BD-23096 CAK/W33-AOHX 3096 G 294/600 EM 404903 51213 578x640x30 HDS1 R 624/HR22T2 6309 NR 6318/HC5C3 7044 CD/HCP4A BT4B 334051 G/HA1VA901 GS 81207 NJ 226 ECML SAF 22538 x 6.7/8 TLC SSAFS 22240 T T2ED 070