XC71921E.DLR.T.P4S

High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, one grease/ lubrication groove with two grease/ lubrication bores, two circular grooves with O rings,  cage made of laminated fabric, diminished tolerances, rings made of Cronidur® 30, rolling elements made of silicon nitride

Technical data

*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".

SLF Fraureuth - Spila DLR Ausfuehrung
SLF Fraureuth - Spila HS HC XC
SLF Fraureuth - Spila DLR Ausführung Anschlussmaße a
SLF Fraureuth - Spila DLR Ausführung Anschlussmaße b

Dimensions

d(mm)105Bore diameter
D(mm)145Outer diameter
W(mm)20Width
a(mm)39Span
rs min(mm)1.1Minimal edge distance

Contact angle

α(°)25Contact angle

DLR dimension

NB(mm)1.4Groove width
NA(mm)4Groove distance
SB(mm)2.6Width of oil groove
SA(mm)12Distance of oil groove

Connecting dimensions

da h12(mm)112Diameter of shaft shoulder
Da H12(mm)138Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius

Performance data

Cr(kN)45.6Dynamic load rating, radial
C0r(kN)21Static load rating, radial
Cur(kN)1.76Fatigue limit load, radial
nG Oil(min-1)24000Limit speed, oil lubrication
FV L(N)117Preload force, slight
FV M(N)351Preload force, medium
FV S(N)702Preload force, heavy
ca L(N/µm)171Axial rigidity, slight
ca M(N/µm)253Axial rigidity, medium
ca S(N/µm)327Axial rigidity, heavy
KaE L(N)337Lift-off force, slight
KaE M(N)1029Lift-off force, medium
KaE S(N)2086Lift-off force, heavy

Mass

kg0.85Mass

CAD Data