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

71920 CB/P4A

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		114.92	mm
d₂		113.16	mm
D₂		128.7	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/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：2024-12-13
Application:hydraulic control element,outdoor equipment,security,equipment,hydraulic pump,spring industry,Logistics Equipment,injection molding machine,Digital Generator,storage shelves,beverage production
Similar models:71920 ACE/HCP4AL 71920 ACB/HCP4AL 71920 CD/P4AH1 71920 CD/HCP4AL 71920 ACE/HCP4A S71920 ACD/P4A S71920 ACB/HCP4A S71920 CD/HCP4A 71920 ACD/P4A 71920 ACD/HCP4AH1
BEARING POWER International Trading Co.,Ltd. specialize in 71920CB/P4A products，there is large inventory of SKF 71920 CB/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 CB/P4A Which SKF 71920CB/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
1308 EKTN9 + H 308	35	90	23	Bearings, units and housings
1325600	336.55	387.35	31.75	Seals
30x45x7 HMS5 V	30	45	7	Seals
36x47x7 HMS5 RG	36	47	7	Seals
51264 M	320	440	95	Bearings, units and housings
51305	25	52	18	Bearings, units and housings
8649	22.225	33.22	6.35	Seals
80x100x10 HMS5 RG	80	100	10	Seals
9701	24.9936	37.9984	5.9944	Seals
C 2213 KV	65	120	31	Bearings, units and housings
HK 3020	30	37	20	Bearings, units and housings
KR 30 XB	-	30	14	Bearings, units and housings

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Hot number： 102520 BD-22214 EK-AH 314 G 305-2Z 609/630 MB 71906 ACD/HCP4A 71914 ACD/P4AL 7217 BEGAF FSAF 1518 x 3.1/8 FYRP 4 NNU 41/800 M/W33 NU 310 ECM/C3VL0241 PCMF 161812 E RNU 2211 ECP S7013 CD/P4A SNL 3288