SKF BTW 180 CM/SP Angular contact thrust ball bearings, double direction, super-precision

SKF BTW 180 CM/SP Angular contact thrust ball bearings, double direction, super-precision
Angular contact thrust ball bearings, double direction, super-precision

Tolerances: P4C, SP, UP, Chamfer dimensionsRecommended shaft and housing fits: shafts, housingsValues for ISO tolerance classes: shafts, housingsSpeed dependent initial grease fill → Initial grease fill

d		180	mm
D		280	mm
H		120	mm
d1		238.3	mm
2C		60	mm
r1,2	min.	2.1	mm
r3,4	min.	1	mm

Abutment dimensions

da	min.	214	mm
Da	min.	262.6	mm
Da	max.	264	mm
ra	max.	2	mm
rb	max.	1	mm

Calculation data

Basic dynamic load rating	C		199	kN
Basic static load rating	C0		710	kN
Fatigue load limit	Pu		22.4	kN
Attainable speed for grease lubrication			2000	r/min
Attainable speed for oil-air lubrication			2600	r/min
Preload			1290	N
Static axial stiffness			1314	N/µm
Reference grease quantity	Gref		116.7	cm³

Mass

Mass bearing

23.1

kg

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