SKF BSA 210 C Angular contact thrust ball bearings for screw drives, single direction, super-precision

SKF BSA 210 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		50	mm
D		90	mm
H		20	mm
d1		64.4	mm
d2		72	mm
D1		72.1	mm
D2		80.43	mm
r1,2	min.	1.1	mm
a		78	mm

Abutment dimensions

da	min.	59	mm
db	min.	59	mm
Da	max.	84	mm
Db	max.	84	mm
ra	max.	1	mm

Calculation data

Basic dynamic load rating	C		46.5	kN
Basic static load rating	C0		146	kN
Fatigue load limit	Pu		5.4	kN
Attainable speed for grease lubrication			6000	r/min
Attainable speed for oil-air lubrication			7000	r/min
Preload class A			4100	N
Preload class B			8200	N
Frictional moment, preload class A			0.31	N·m
Frictional moment, preload class B			0.68	N·m
Static axial stiffnes, preload A			1410	N/µm
Static axial stiffnes, preload B			1800	N/µm
Maximum axial load carrying capacity	Fa	max.	42.5	kN
Reference grease quantity	Gref		5.2	cm³

Mass

Mass bearing

0.56

kg

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