Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 7218 ACD/HCP4A

7218 ACD/HCP4A

Dimensions

d		90	mm
D		160	mm
B		30	mm
d₁		111.6	mm
d₂		111.6	mm
D₁		138.4	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
a		44.3	mm

Abutment dimensions

d_a	min.	101	mm
d_b	min.	101	mm
D_a	max.	149	mm
D_b	max.	154.4	mm
r_a	max.	2	mm
r_b	max.	1	mm
d_n		117.5	mm

Calculation data

Basic dynamic load rating	C	121	kN
Basic static load rating	C₀	106	kN
Fatigue load limit	P_u	4.05	kN
Attainable speed for grease lubrication		9000	r/min
Attainable speed for oil-air lubrication		15000	r/min
Ball diameter	D_w	22.225	mm
Number of balls	z	16
Reference grease quantity	G_ref	27.765	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	750	N
Static axial stiffness, preload class A		303	N/µm
Preload class B	G_B	1500	N
Static axial stiffness, preload class B		395	N/µm
Preload class C	G_C	3000	N
Static axial stiffness, preload class C		521	N/µm
Preload class D	G_D	6000	N
Static axial stiffness, preload class D		702	N/µm
Calculation factors
Calculation factor	f	1.09
Calculation factor	f₁	0.99
Calculation factor	f_2A	1
Calculation factor	f_2B	1.01
Calculation factor	f_2C	1.03
Calculation factor	f_2D	1.06
Calculation factor	f_HC	1.01
Calculation factor	e	0.68
Calculation factor (single, tandem)	Y₂	0.87
Calculation factor (single, tandem)	Y₀	0.38
Calculation factor (single, tandem)	X₂	0.41
Calculation factor (back-to-back, face-to-face)	Y₁	0.92
Calculation factor (back-to-back, face-to-face)	Y₂	1.41
Calculation factor (back-to-back, face-to-face)	Y₀	0.76
Calculation factor (back-to-back, face-to-face)	X₂	0.67

Mass

Mass bearing

1.83

Model Number: 7218 ACD/HCP4A
Inner Diameter：90mm Outer Diameter：160mm Width：30mm
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：2021-06-04
Application:insect experimental analysis instrument,Optical Instruments,aerial work equipment,spreader series,water,SPA equipment,Hydraulic Hose,extruder,lathe,electromagnetic clutch,water protection
Similar models:7218 BECBP 7218 BEGAF 7218 BEGAM 7218 BECBM 7218 BECCM 7218 BEP 7218 BEGAY 7218 ACD/P4A 7218 ACD/HCP4A 7218 CD/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 7218ACD/HCP4A products，there is large inventory of SKF 7218 ACD/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 7218 ACD/HCP4A Which SKF 7218ACD/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
1000x1050x20 HDS1 R	1000	1050	20	Seals
35x50x8 HMSA10 V	35	50	8	Seals
BT2B 332448	609.6	787.4	-	Bearings, units and housings
FSAF 1515	61.9125	-	-	Bearings, units and housings
MVR1-105	105	125	-	Seals
NA 22/8.2RSX	8	24	11.8	Bearings, units and housings
NJ 205 ECJ	25	52	15	Bearings, units and housings
PCM 8085100 E	80	85	100	Bearings, units and housings
SAF 22536 x 6.3/8	161.925	-	-	Bearings, units and housings
SAW 23538 x 6.13/16	173.0375	-	-	Bearings, units and housings
SY 2.15/16 TF/VA201	74.613	-	-	Bearings, units and housings
SYR 2 11/16 N	68.2625	-	-	Bearings, units and housings

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