Dimensions
d(mm)30Bore diameter
D(mm)72Outer diameter
W(mm)19Width
a(mm)21Span
rs min(mm)1.1Minimal edge distance
r1s min(mm)1.1Minimal edge distance
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)37Diameter of shaft shoulder
Da H12(mm)65Diameter of housing shoulder
ra max(mm)1.1Maximal rounding radius
rb max(mm)1.1Maximal rounding radius
Etk(mm)47.7Injection pitch circle
Etk1(mm)45Injection pitch circle
Performance data
Cr(kN)31Dynamic load rating, radial
C0r(kN)23Static load rating, radial
Cur(kN)1.35Fatigue limit load, radial
nG Grease(min-1)23000Limit speed, grease lubrication
nG Oil(min-1)37000Limit speed, oil lubrication
FV L(N)270Preload force, slight
FV M(N)550Preload force, medium
FV S(N)1090Preload force, heavy
ca L(N/µm)120Axial rigidity, slight
ca M(N/µm)160Axial rigidity, medium
ca S(N/µm)210Axial rigidity, heavy
KaE L(N)800Lift-off force, slight
KaE M(N)1670Lift-off force, medium
KaE S(N)3420Lift-off force, heavy
Mass
kg0.329Mass