Dimensions
d(mm)670Bore diameter
D(mm)820Outer diameter
W(mm)69Width
rs min(mm)4Minimal edge distance
r1s min(mm)1.5Minimal edge distance
a(mm)250Span
H(mm)766Shoulder diameter outer ring
J(mm)726Shoulder 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)685Minimal diameter of shaft shoulder
Da max(mm)805Maximal diameter of housing shoulder
Db max(mm)813Maximal diameter of housing shoulder
ra max(mm)3Maximal rounding radius
rb max(mm)1.5Maximal rounding radius
Performance data
Cr(kN)552Dynamic load rating, radial
C0r(kN)1310Static load rating, radial
Cur(kN)28.7Fatigue limit load, radial
nG(min-1)1000Limit speed
nB(min-1)500Reference speed
Mass
kg75.6Mass