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

SKF FBSA 204/QFC 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		77	mm
A1		72.74	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		35.9	kN
Basic static load rating	C0		98	kN
Fatigue load limit	Pu		3.6	kN
Attainable speed for preload class A			4750	r/min
Attainable speed for preload class B			2375	r/min
Preload class A			2960	kN
Preload class B			5920	kN
Frictional moment for preload class A			0.1	N·m
Frictional moment for preload class B			0.182	N·m
Static axial stiffnes for preload class A			1360	N/µm
Static axial stiffnes for preload class B			1720	N/µm

Mass

Mass cartridge unit

1.7

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

<input type="hidden" name="moreInfoUrl" value="">