SKF FBSA 206/QBC Angular contact thrust ball bearings for screw drives, cartridge units with a flanged housing, super-precision

SKF FBSA 206/QBC 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		30	mm
H		120	mm
A		84	mm
A1		82.26	mm
A2		32	mm
A3		15	mm
d1		41	mm
D1		88	mm
D2		80	mm
D3		50	mm

Calculation data

Basic dynamic load rating	C		46.5	kN
Basic static load rating	C0		142	kN
Fatigue load limit	Pu		5.3	kN
Attainable speed for preload class A			4000	r/min
Attainable speed for preload class B			2000	r/min
Preload class A			4300	kN
Preload class B			8600	kN
Frictional moment for preload class A			0.24	N·m
Frictional moment for preload class B			0.42	N·m
Static axial stiffnes for preload class A			1740	N/µm
Static axial stiffnes for preload class B			2220	N/µm

Mass

Mass cartridge unit

3.5

kg

Mounting information

Through hole diameter for attachment bolts	N		9.2	mm
Pitch diameter of attachement bolt holes	J		102	mm
Cartridge half diameter without flange	J1		44	mm

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