Bearings, units and housings -- Super-precision bearings -- Angular contact thrust ball bearings for screw drives -- Angular contact thrust ball bearings for screw drives, single direction, super-precision -- SKF BSD 4090 C

BSD 4090 C

Dimensions

d		40	mm
D		90	mm
H		20	mm
d₁		57.55	mm
d₂		66.5	mm
D₁		66.6	mm
D₂		77.27	mm
r_1,2	min.	1.5	mm
a		73	mm

Abutment dimensions

d_a	min.	53	mm
d_b	min.	53	mm
D_a	max.	81	mm
D_b	max.	81	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C		64	kN
Basic static load rating	C₀		170	kN
Fatigue load limit	P_u		6.3	kN
Attainable speed for grease lubrication			6000	r/min
Attainable speed for oil-air lubrication			7000	r/min
Preload class A			5100	N
Preload class B			10200	N
Frictional moment, preload class A			0.35	N·m
Frictional moment, preload class B			0.61	N·m
Static axial stiffnes, preload A			1340	N/µm
Static axial stiffnes, preload B			1710	N/µm
Maximum axial load carrying capacity	F_a	max.	78.2	kN
Reference grease quantity	G_ref		5.2	cm³

Mass

Mass bearing

0.68

Model Number: BSD 4090 C
Inner Diameter：40mm Outer Diameter：90mm Width：20mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Angular contact thrust ball bearings for screw drives Angular contact thrust ball bearings for screw drives, single direction, super-precision
Details： Angular contact thrust ball bearings for screw drives, single direction, super-precision
Update date：2026-04-16
Application:sample cup,vertical sawing machine,other rubber,disposable,aerial work equipment,static control,diagnostic test paper,DC generators,journal lathe,tooth filling,Insect Capture
Similar models:BSD 4090 C PWTR 4090.2RS NUTR 4090 X NUTR 4090 A
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