Dimensions
d(mm)70Bore diameter
D(mm)110Outer diameter
W(mm)20Width
a(mm)22Span
rs min(mm)1.1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, cage made of laminated fabric, diminished tolerances, rings and rolling elements made of high-quality roller bearing steel
Technical data
*) the unit "B" in the graphics corresponds in English to the unit "W" for "Width".
Contact angle
α(°)15Contact angle
Connecting dimensions
da h12(mm)77Diameter of shaft shoulder
Da H12(mm)102Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Etk(mm)87.5Injection pitch circle
Etk1(mm)86Injection pitch circle
Performance data
Cr(kN)26.5Dynamic load rating, radial
C0r(kN)17.2Static load rating, radial
Cur(kN)0.872Fatigue limit load, radial
nG Grease(min-1)18000Limit speed, grease lubrication
nG Oil(min-1)28000Limit speed, oil lubrication
FV L(N)89Preload force, slight
FV M(N)267Preload force, medium
FV S(N)534Preload force, heavy
ca L(N/µm)53Axial rigidity, slight
ca M(N/µm)82.5Axial rigidity, medium
ca S(N/µm)114Axial rigidity, heavy
KaE L(N)265Lift-off force, slight
KaE M(N)837Lift-off force, medium
KaE S(N)1757Lift-off force, heavy
Mass
kg0.67Mass