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 55120 C

BSD 55120 C

Dimensions

d		55	mm
D		120	mm
H		20	mm
d₁		80.9	mm
d₂		91	mm
D₁		91.1	mm
D₂		101.74	mm
r_1,2	min.	1.5	mm
a		96	mm

Abutment dimensions

d_a	min.	69	mm
d_b	min.	69	mm
D_a	max.	110	mm
D_b	max.	110	mm
r_a	max.	1.5	mm

Calculation data

Basic dynamic load rating	C		69.5	kN
Basic static load rating	C₀		228	kN
Fatigue load limit	P_u		8.5	kN
Attainable speed for grease lubrication			5000	r/min
Attainable speed for oil-air lubrication			6000	r/min
Preload class A			7300	N
Preload class B			14600	N
Frictional moment, preload class A			0.72	N·m
Frictional moment, preload class B			1.26	N·m
Static axial stiffnes, preload A			1800	N/µm
Static axial stiffnes, preload B			2300	N/µm
Maximum axial load carrying capacity	F_a	max.	130	kN
Reference grease quantity	G_ref		7.5	cm³

Mass

Mass bearing

1.14

Model Number: BSD 55120 C
Inner Diameter：55mm Outer Diameter：120mm 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：2026-07-21
Application:motorcycle,equipment,pipe fittings Steel industry,medical equipment,expectoration machine,engineering machinery,turret industry,standing experimental equipment,lathe,cleaners,casting embedding
Similar models:BSD 55120 C
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Model No. Inner Diameter Outer Diameter Width Type

36x54x8 CRW1 V
470591
511/1400 F
6005-RSH
GE 140 TXA-2LS

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Model No.	Inner Diameter	Outer Diameter	Width	Type
36x54x8 CRW1 V
470591
511/1400 F
6005-RSH
GE 140 TXA-2LS