Dimensions
d(mm)120Bore diameter
D(mm)180Outer diameter
W(mm)28Width
a(mm)34Span
rs min(mm)2Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 15°, cage made of laminated fabric, diminished tolerances, rings made of high-quality roller bearing steel, rolling elements made of silicon nitride
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)131Diameter of shaft shoulder
Da H12(mm)169Diameter of housing shoulder
ra max(mm)2Maximal rounding radius
Etk(mm)145.4Injection pitch circle
Etk1(mm)143.2Injection pitch circle
Performance data
Cr(kN)52.6Dynamic load rating, radial
C0r(kN)37.4Static load rating, radial
Cur(kN)1.21Fatigue limit load, radial
nG Grease(min-1)13000Limit speed, grease lubrication
nG Oil(min-1)21000Limit speed, oil lubrication
FV L(N)123Preload force, slight
FV M(N)369Preload force, medium
FV S(N)738Preload force, heavy
ca L(N/µm)81Axial rigidity, slight
ca M(N/µm)123Axial rigidity, medium
ca S(N/µm)165Axial rigidity, heavy
KaE L(N)363Lift-off force, slight
KaE M(N)1128Lift-off force, medium
KaE S(N)2336Lift-off force, heavy
Mass
kg2.1Mass