Dimensions
d(mm)30Bore diameter
D(mm)55Outer diameter
W(mm)13Width
a(mm)16Span
rs min(mm)1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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(°)25Contact angle
Connecting dimensions
da h12(mm)36Diameter of shaft shoulder
Da H12(mm)49Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
Etk(mm)40.9Injection pitch circle
Etk1(mm)40.1Injection pitch circle
Performance data
Cr(kN)8.2Dynamic load rating, radial
C0r(kN)4Static load rating, radial
Cur(kN)0.204Fatigue limit load, radial
nG Grease(min-1)34000Limit speed, grease lubrication
nG Oil(min-1)53000Limit speed, oil lubrication
FV L(N)48Preload force, slight
FV M(N)144Preload force, medium
FV S(N)288Preload force, heavy
ca L(N/µm)61Axial rigidity, slight
ca M(N/µm)90.5Axial rigidity, medium
ca S(N/µm)118Axial rigidity, heavy
KaE L(N)139Lift-off force, slight
KaE M(N)422Lift-off force, medium
KaE S(N)859Lift-off force, heavy
Mass
kg0.13Mass