Dimensions
d(mm)630Bore diameter
D(mm)780Outer diameter
W(mm)69Width
rs min(mm)4Minimal edge distance
r1s min(mm)1.5Minimal edge distance
a(mm)238Span
H(mm)726Shoulder diameter outer ring
J(mm)686Shoulder diameter inner ring
Angular contact ball bearing, single row, contact angle 30°, brass cage, 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(°)30Contact angle
Connecting dimensions
da min(mm)645Minimal diameter of shaft shoulder
Da max(mm)765Maximal diameter of housing shoulder
Db max(mm)773Maximal diameter of housing shoulder
ra max(mm)3Maximal rounding radius
rb max(mm)1.5Maximal rounding radius
Performance data
Cr(kN)536Dynamic load rating, radial
C0r(kN)1220Static load rating, radial
Cur(kN)27.4Fatigue limit load, radial
nG(min-1)1100Limit speed
nB(min-1)600Reference speed
Mass
kg71.8Mass