Dimensions
d(mm)170Bore diameter
D(mm)310Outer diameter
W(mm)52Width
a(mm)58Span
rs min(mm)4Minimal edge distance
r1s min(mm)4Minimal edge distance
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)205Diameter of shaft shoulder
Da H12(mm)275Diameter of housing shoulder
ra max(mm)3Maximal rounding radius
rb max(mm)3Maximal rounding radius
Etk(mm)228.6Injection pitch circle
Performance data
Cr(kN)297Dynamic load rating, radial
C0r(kN)336Static load rating, radial
Cur(kN)11.3Fatigue limit load, radial
nG Grease(min-1)3800Limit speed, grease lubrication
nG Oil(min-1)5600Limit speed, oil lubrication
FV L(N)1880Preload force, slight
FV M(N)5840Preload force, medium
FV S(N)11825Preload force, heavy
ca L(N/µm)190Axial rigidity, slight
ca M(N/µm)314Axial rigidity, medium
ca S(N/µm)445Axial rigidity, heavy
KaE L(N)5790Lift-off force, slight
KaE M(N)19300Lift-off force, medium
KaE S(N)41600Lift-off force, heavy
Mass
kg15.6Mass