Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71920 CD/HCP4A

71920 CD/HCP4A

Dimensions

d		100	mm
D		140	mm
B		20	mm
d₁		112.3	mm
d₂		112.3	mm
D₁		127.7	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		11000	r/min
Attainable speed for oil-air lubrication		17000	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		119	N/µm
Preload class B	G_B	460	N
Static axial stiffness, preload class B		164	N/µm
Preload class C	G_C	920	N
Static axial stiffness, preload class C		232	N/µm
Preload class D	G_D	1840	N
Static axial stiffness, preload class D		340	N/µm
Calculation factors
Calculation factor	f	1.23
Calculation factor	f₁	1
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.18
Calculation factor	f_HC	1.04
Calculation factor	f₀	16.3

Mass

Mass bearing

0.67

Model Number: 71920 CD/HCP4A
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：2021-06-05
Application:pneumatic Pump,aerial work equipment,gear grinding machine,metallurgy,industry test,chromatography,plastic molding,spring industry,Equipment,supporting facilities,building decoration raw materials and accessories
Similar models:71920 ACD/HCP4A 71920 CD/HCP4A 71920 ACD/HCP4AL S71920 ACE/P4A 71920 CB/HCP4AL 71920 ACB/HCP4A 71920 CB/P4A S71920 CE/HCP4A 71920 CB/HCP4A S71920 CB/P4A
BEARING POWER International Trading Co.,Ltd. specialize in 71920CD/HCP4A products，there is large inventory of SKF 71920 CD/HCP4A 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/HCP4A Which SKF 71920CD/HCP4A 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
534950	33.3248	52.375	8.001	Seals
6310-RS1	50	110	27	Bearings, units and housings
BT4B 331123 DG/HA1	863.6	1130.3	-	Bearings, units and housings
FBSA 204/DB	20	-	90	Bearings, units and housings
FSYE 3 15/16 N-118	100.0125	-	-	Bearings, units and housings
NU 2210 ECPH	50	90	23	Bearings, units and housings
PBM 240260140 M1G1	240	260	140	Bearings, units and housings
SAF 23028 KATLC x 4.7/8	127	-	-	Bearings, units and housings
SAFS 22517-11 x 3	76.2	-	-	Bearings, units and housings
SAW 23526	112.7125	-	-	Bearings, units and housings
W 038	192.4558	239.7252	-	Bearings, units and housings
WS 81113	65		5.25	Bearings, units and housings

Purchase the SKF 71920 CD/HCP4A Please fill in the following

Hot number： 11096 22x40x7 HMS5 V 2306 E-2RS1KTN9 275 VL R 3207 ATN9 293/500 FYTBK 505 HCRE 120 R HE 3132 E NN 3015 TN/SP OKC 350 OKCX 260 SAFS 22524 SYFWK 35 LTA W 14