Dimensions
d(mm)70Bore diameter
D(mm)100Outer diameter
W(mm)16Width
a(mm)28Span
rs min(mm)1Minimal edge distance
High-speed hybrid spindle bearing, adjusted, in pairs or sets, contact angle 25°, one grease/ lubrication groove with two grease/ lubrication bores, two circular grooves with O rings, cage made of laminated fabric, diminished tolerances, rings made of Cronidur® 30, 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
DLR dimension
NB(mm)1.8Groove width
NA(mm)3.1Groove distance
SB(mm)1.6Width of oil groove
SA(mm)9.3Distance of oil groove
Connecting dimensions
da h12(mm)76Diameter of shaft shoulder
Da H12(mm)94.5Diameter of housing shoulder
ra max(mm)0.6Maximal rounding radius
Performance data
Cr(kN)27.9Dynamic load rating, radial
C0r(kN)11.2Static load rating, radial
Cur(kN)1.06Fatigue limit load, radial
nG Oil(min-1)36000Limit speed, oil lubrication
FV L(N)71Preload force, slight
FV M(N)213Preload force, medium
FV S(N)426Preload force, heavy
ca L(N/µm)118Axial rigidity, slight
ca M(N/µm)175Axial rigidity, medium
ca S(N/µm)227Axial rigidity, heavy
KaE L(N)205Lift-off force, slight
KaE M(N)626Lift-off force, medium
KaE S(N)1271Lift-off force, heavy
Mass
kg0.35Mass