Dimensions
d(mm)17Bore diameter
D(mm)30Outer diameter
W(mm)7Width
a(mm)9Span
rs min(mm)0.3Minimal edge distance
r1s min(mm)0.15Minimal edge distance
Spindle bearing, adjusted, in pairs or sets, contact angle 25°, contactless sealed at both sides, greased/ lubricated, 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)20Diameter of shaft shoulder
Da H12(mm)27.5Diameter of housing shoulder
ra max(mm)0.3Maximal rounding radius
rb max(mm)0.1Maximal rounding radius
Performance data
Cr(kN)5Dynamic load rating, radial
C0r(kN)2.8Static load rating, radial
Cur(kN)0.148Fatigue limit load, radial
nG Grease(min-1)45000Limit speed, grease lubrication
FV L(N)23Preload force, slight
FV M(N)116Preload force, medium
FV S(N)268Preload force, heavy
ca L(N/µm)37.8Axial rigidity, slight
ca M(N/µm)68.9Axial rigidity, medium
ca S(N/µm)96.7Axial rigidity, heavy
KaE L(N)67Lift-off force, slight
KaE M(N)355Lift-off force, medium
KaE S(N)850Lift-off force, heavy
Mass
kg0.017Mass