SKF FBSA 204/DF Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision

SKF FBSA 204/DF Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision
Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision

Tolerances: tableBearing preloadDesign considerations: shafts, housings

d		20	mm
H		90	mm
A		47	mm
A1		43.24	mm
A2		32	mm
A3		13	mm
d1		26	mm
D1		64	mm
D2		60	mm
D3		36	mm

Calculation data

Basic dynamic load rating	C		22	kN
Basic static load rating	C0		49	kN
Fatigue load limit	Pu		1.8	kN
Attainable speed for preload class A			7600	r/min
Attainable speed for preload class B			3800	r/min
Preload class A			1480	kN
Preload class B			2960	kN
Frictional moment for preload class A			0.05	N·m
Frictional moment for preload class B			0.091	N·m
Static axial stiffnes for preload class A			680	N/µm
Static axial stiffnes for preload class B			860	N/µm

Mass

Mass cartridge unit

1.1

kg

Mounting information

Through hole diameter for attachment bolts	N		6.6	mm
Pitch diameter of attachement bolt holes	J		76	mm
Cartridge half diameter without flange	J1		32	mm

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