Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 CB/P4AL

71920 CB/P4AL

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		114.92	mm
d₂		113.16	mm
D₂		128.7	mm
b		2.2	mm
C₁		10.9	mm
C₂		4.5	mm
C₃		2.9	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		28.9	mm

Abutment dimensions

d_a	min.	106	mm
d_b	min.	106	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		116.1	mm

Calculation data

Basic dynamic load rating	C	29.1	kN
Basic static load rating	C₀	36	kN
Fatigue load limit	P_u	0.865	kN
Attainable speed for grease lubrication		12000	r/min
Attainable speed for oil-air lubrication		19000	r/min
Ball diameter	D_w	7.938	mm
Number of balls	z	37
Reference grease quantity	G_ref	9.96	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	72	N
Static axial stiffness, preload class A		60	N/µm
Preload class B	G_B	145	N
Static axial stiffness, preload class B		79	N/µm
Preload class C	G_C	430	N
Static axial stiffness, preload class C		125	N/µm
Calculation factors
Calculation factor	f	1.11
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.02
Calculation factor	f_2C	1.07
Calculation factor	f_HC	1
Calculation factor	f₀	10

Mass

Mass bearing

0.85

Model Number: 71920 CB/P4AL
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：2026-04-18
Application:set bacteria instrument,storage shelves,raw material accessories,security,metallurgical mold,pump accessories,pneumatic Pump,supporting facilities,X-ray Equipment,Surveying Surveying Instruments,medical Equipment
Similar models:S71920 ACD/P4A 71920 ACB/HCP4A S71920 CD/P4A S71920 CB/HCP4A 71920 ACD/P4AL 71920 ACD/HCP4A 71920 ACD/P4AH1 S71920 ACB/P4A 71920 CD/HCP4A 71920 ACB/HCP4AL
BEARING POWER International Trading Co.,Ltd. specialize in 71920CB/P4AL products，there is large inventory of SKF 71920 CB/P4AL 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 CB/P4AL Which SKF 71920CB/P4AL 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
BD-23224 CCK/W33-H 2324	110	215	76	Bearings, units and housings
30211	55	100	22.75	Bearings, units and housings
593/592 A	88.9	152.4	39.688	Bearings, units and housings
99198	50.292	58.7502	17.8816	Seals
C 2215 K	75	130	31	Bearings, units and housings
GE 110 TXE-2LS	110	160	70	Bearings, units and housings
GS 81213	65	100	8	Bearings, units and housings
NNCL 4860 CV	300	380	80	Bearings, units and housings
SAF 22622 x 4 T	101.6	-	-	Bearings, units and housings
RMS 10	31.75	79.375	22.225	Bearings, units and housings
SNL 3040 TURT	182.5625	-	-	Bearings, units and housings
SSAFS 23040 KATLC x 7.1/8	180.975	-	-	Bearings, units and housings

Purchase the SKF 71920 CB/P4AL Please fill in the following

Hot number： 16008/HR11QN 43751 54925 53205 + U 205 6219/C3VL0241 99855 87768 GS 81256 HME 3096 NNU 4928 B/SPW33 PF 1.1/2 TR SNL 30/530 SNP 3092x17 SNW 3136x6.1/2 SYF 35 TF