Bearings, units and housings -- Super-precision bearings -- Angular contact ball bearings -- Angular contact ball bearings, super-precision -- SKF S71918 CD/HCP4A

S71918 CD/HCP4A

Dimensions

d		90	mm
D		125	mm
B		18	mm
d₁		100.8	mm
d₂		100.8	mm
D₂		117.1	mm
r_1,2	min.	1.1	mm
r_3,4	min.	0.6	mm
a		23.5	mm

Abutment dimensions

d_a	min.	96	mm
d_a	max.	100.2	mm
d_b	min.	96	mm
d_b	max.	100.2	mm
D_a	max.	119	mm
D_b	max.	121	mm
r_a	max.	1	mm
r_b	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	47.5	kN
Basic static load rating	C₀	51	kN
Fatigue load limit	P_u	2.08	kN
Attainable speed for grease lubrication		13000	r/min
Ball diameter	D_w	11.112	mm
Number of balls	z	26
Preload and stiffness (back-to-back, face-to-face)
Preload class A	G_A	180	N
Static axial stiffness, preload class A		104	N/µm
Preload class B	G_B	360	N
Static axial stiffness, preload class B		143	N/µm
Preload class C	G_C	720	N
Static axial stiffness, preload class C		203	N/µm
Preload class D	G_D	1440	N
Static axial stiffness, preload class D		297	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

0.48

Model Number: S71918 CD/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:Processing machinery,Machine Tool Accessories,rehabilitation training equipment,electromyography machine,medical equipment,chemical raw materials and reagents,lifting equipment Hoisting hoist,motorcycle,garden machinery,,animal anatomy
Similar models:71918 ACD/P4AH1 71918 ACB/HCP4AL S71918 CD/HCP4A 71918 ACD/P4A 71918 ACE/P4AH1 71918 CD/HCP4A 71918 ACD/HCP4AH1 71918 ACD/HCP4A 71918 CE/HCP4A 71918 ACE/P4A
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