Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71820 CD/HCP4

71820 CD/HCP4

Dimensions

d		100	mm
D		125	mm
B		13	mm
d₁		108.2	mm
d₂		108.2	mm
D₁		117	mm
r_1,2	min.	1	mm
r_3,4	min.	0.3	mm
a		21.6	mm

Abutment dimensions

d_a	min.	104.6	mm
d_b	min.	104.6	mm
D_a	max.	120.4	mm
D_b	max.	123	mm
r_a	max.	1	mm
r_b	max.	0.3	mm
d_n		109.1	mm

Calculation data

Basic dynamic load rating	C	22.5	kN
Basic static load rating	C₀	29	kN
Fatigue load limit	P_u	1.16	kN
Attainable speed for grease lubrication		11000	r/min
Attainable speed for oil-air lubrication		17000	r/min
Ball diameter	D_w	7.144	mm
Number of balls	z	34
Reference grease quantity	G_ref	3.2	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	120	N
Static axial stiffness, preload class A		99	N/µm
Preload class B	G_B	360	N
Static axial stiffness, preload class B		173	N/µm
Preload class C	G_C	720	N
Static axial stiffness, preload class C		256	N/µm
Calculation factors
Calculation factor	f	1.4
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.1
Calculation factor	f_2C	1.18
Calculation factor	f_HC	1.02
Calculation factor	f₀	17.4

Mass

Mass bearing

0.28

Model Number: 71820 CD/HCP4
Inner Diameter：100mm Outer Diameter：125mm Width：13mm
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：2021-06-03
Application:multi-knife lathe,Oral Image,Roller mill,oral medical device,sewage pump,climb ladder,decoration machinery,industry test,directional control valve,Pneumatic Actuator,Plastic molding
Similar models:71820 ACD/HCP4 71820 ACD/P4 71820 CD/P4 71820 CD/HCP4
BEARING POWER International Trading Co.,Ltd. specialize in 71820CD/HCP4 products，there is large inventory of SKF 71820 CD/HCP4 Angular contact ball bearings, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the 71820 CD/HCP4 Which SKF 71820CD/HCP4 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-23032 CCK/W33-AH 3032	150	240	60	Bearings, units and housings
40x52x6 HMS5 V	40	52	6	Seals
413502	1225	-	-	Seals
471501	1419	-	-	Seals
6205/HR11TN	25	52	15	Bearings, units and housings
N 1010 KPHA/HC5SP	50	80	16	Bearings, units and housings
NNCF 4972 CV	360	480	118	Bearings, units and housings
SA 17 C	17	-	14	Bearings, units and housings
SAF 1615 x 2.1/2 T	63.5	-	-	Bearings, units and housings
SAF 22540 T	182.5625	-	-	Bearings, units and housings
SNW 118x3.1/16	77.7875	118.3894	89.9922	Bearings, units and housings
TUWK 1.1/4 ALTHR	31.75	-	-	Bearings, units and housings

Purchase the SKF 71820 CD/HCP4 Please fill in the following

Hot number： 11777 19635 23284-2CS5/VT143 24889 6209-2Z/VA228 7320 BECBP 9243 C 3172 KM HCRE 055 R N 307 ECM PSM 152125 A51 SAF 1511 x 2 T W 6007-2RS1 SNW 128x5 TU 35 TF