Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF 71918 ACD/HCP4A

71918 ACD/HCP4A

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		100.8	mm
d₂		100.8	mm
D₁		114.2	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		34.2	mm

Abutment dimensions

d_a	min.	96	mm
d_b	min.	96	mm
D_a	max.	119	mm
D_b	max.	121	mm
r_a	max.	1	mm
r_b	max.	0.6	mm
d_n		103.3	mm

Calculation data

Basic dynamic load rating	C	44.2	kN
Basic static load rating	C₀	48	kN
Fatigue load limit	P_u	1.96	kN
Attainable speed for grease lubrication		10000	r/min
Attainable speed for oil-air lubrication		17000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	26
Reference grease quantity	G_ref	7.5	cm³
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	280	N
Static axial stiffness, preload class A		249	N/µm
Preload class B	G_B	560	N
Static axial stiffness, preload class B		325	N/µm
Preload class C	G_C	1120	N
Static axial stiffness, preload class C		435	N/µm
Preload class D	G_D	2240	N
Static axial stiffness, preload class D		595	N/µm
Calculation factors
Calculation factor	f	1.23
Calculation factor	f₁	0.98
Calculation factor	f_2A	1
Calculation factor	f_2B	1.07
Calculation factor	f_2C	1.12
Calculation factor	f_2D	1.17
Calculation factor	f_HC	1.04
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

0.47

Model Number: 71918 ACD/HCP4A
Inner Diameter：90mm Outer Diameter：125mm Width：18mm
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:Garment Accessories,instrumentation instrument,storage and transportation equipment,comprehensive experiment,Forging machine,instrument,electromagnet,Hydraulic Press,security equipment,Cleaning equipment,small diesel generators
Similar models:71918 CB/HCP4A 71918 CE/HCP4A 71918 CE/HCP4AH1 71918 ACD/P4A 71918 ACB/P4A S71918 CE/P4A S71918 CB/HCP4A S71918 ACD/P4A 71918 ACD/HCP4A S71918 ACB/HCP4A
BEARING POWER International Trading Co.,Ltd. specialize in 71918ACD/HCP4A products，there is large inventory of SKF 71918 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 71918 ACD/HCP4A Which SKF 71918ACD/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.

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