XC71921C.DLR.T.P4S

High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, 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)27Span
rs min(mm)1.1Minimal edge distance

Contact angle

α(°)15Contact 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)47.7Dynamic load rating, radial
C0r(kN)22.2Static load rating, radial
Cur(kN)1.87Fatigue limit load, radial
nG Oil(min-1)27000Limit speed, oil lubrication
FV L(N)71Preload force, slight
FV M(N)213Preload force, medium
FV S(N)426Preload force, heavy
ca L(N/µm)67Axial rigidity, slight
ca M(N/µm)102Axial rigidity, medium
ca S(N/µm)137Axial rigidity, heavy
KaE L(N)209Lift-off force, slight
KaE M(N)653Lift-off force, medium
KaE S(N)1357Lift-off force, heavy

Mass

kg0.85Mass

CAD Data