SKF BSD 60120 C Angular contact thrust ball bearings for screw drives, single direction, super-precision

SKF BSD 60120 C Angular contact thrust ball bearings for screw drives, single direction, super-precision
Angular contact thrust ball bearings for screw drives, single direction, super-precision

Tolerances: table, Chamfer dimensionsBearing preloadDesign considerations: shafts, housingsSpeed dependent initial grease fill → Initial grease fill

d		60	mm
D		120	mm
H		20	mm
d1		80.9	mm
d2		91	mm
D1		91.1	mm
D2		101.74	mm
r1,2	min.	1.5	mm
a		96	mm

Abutment dimensions

da	min.	73	mm
db	min.	73	mm
Da	max.	111	mm
Db	max.	111	mm
ra	max.	1.5	mm

Calculation data

Basic dynamic load rating	C		69.5	kN
Basic static load rating	C0		228	kN
Fatigue load limit	Pu		8.5	kN
Attainable speed for grease lubrication			5000	r/min
Attainable speed for oil-air lubrication			6000	r/min
Preload class A			7300	N
Preload class B			14600	N
Frictional moment, preload class A			0.72	N·m
Frictional moment, preload class B			1.26	N·m
Static axial stiffnes, preload A			1800	N/µm
Static axial stiffnes, preload B			2300	N/µm
Maximum axial load carrying capacity	Fa	max.	130	kN
Reference grease quantity	Gref		7.5	cm³

Mass

Mass bearing

1.07

kg

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