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：2026-04-16
Application:decoration machinery,EEG,Technical Equipment,other mold,Body shaping,agricultural testing and analysis equipment and related,trolley,Medical room equipment,instrumentation instrument,Rolling mill,Warehouse Shelf Equipment
Similar models:BSD 55120 C
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30238	190	340	60	Bearings, units and housings
35083	88.9	126.97	11.13	Seals
51101 V/HR11Q1	12	26	9	Bearings, units and housings
NN 3068 K/SPW33	340	520	133	Bearings, units and housings
NU 1032 M	160	240	38	Bearings, units and housings
NUP 238 ECM	190	340	55	Bearings, units and housings
OH 3044 H	200	220	126	Bearings, units and housings
PCM 121425 M	12	14	25	Bearings, units and housings
S7024 CE/P4A	120	180	28	Bearings, units and housings
SAF 1520 x 3.3/8	85.725	-	-	Bearings, units and housings
SSAFS 22522 x 4	101.6	-	-	Bearings, units and housings

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