Dimensions
d(mm)170Bore diameter
D(mm)230Outer diameter
W(mm)28Width
a(mm)61Span
rs min(mm)2Minimal edge distance
r1s min(mm)1.1Minimal edge distance
Hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, 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(°)25Contact angle
Connecting dimensions
da h12(mm)180Diameter of shaft shoulder
Da H12(mm)219Diameter of housing shoulder
ra max(mm)1Maximal rounding radius
rb max(mm)1Maximal rounding radius
Etk(mm)194.3Injection pitch circle
Performance data
Cr(kN)122Dynamic load rating, radial
C0r(kN)121Static load rating, radial
Cur(kN)3.4Fatigue limit load, radial
nG Grease(min-1)7000Limit speed, grease lubrication
nG Oil(min-1)11000Limit speed, oil lubrication
FV L(N)540Preload force, slight
FV M(N)2030Preload force, medium
FV S(N)4350Preload force, heavy
ca L(N/µm)323.3Axial rigidity, slight
ca M(N/µm)518Axial rigidity, medium
ca S(N/µm)690Axial rigidity, heavy
KaE L(N)1590Lift-off force, slight
KaE M(N)6040Lift-off force, medium
KaE S(N)13200Lift-off force, heavy
Mass
kg2.31Mass