Dimensions
d(mm)170Bore diameter
D(mm)310Outer diameter
W(mm)52Width
rs min(mm)4Minimal edge distance
r1s min(mm)1.5Minimal edge distance
a(mm)127Span
H(mm)255Shoulder diameter outer ring
J(mm)226Shoulder diameter inner ring
Angular contact ball bearing, single row, contact angle 40°, 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(°)40Contact angle
Connecting dimensions
da min(mm)187Minimal diameter of shaft shoulder
Da max(mm)293Maximal diameter of housing shoulder
Db max(mm)301Maximal diameter of housing shoulder
ra max(mm)3Maximal rounding radius
rb max(mm)1.5Maximal rounding radius
Performance data
Cr(kN)270Dynamic load rating, radial
C0r(kN)356Static load rating, radial
Cur(kN)12Fatigue limit load, radial
nG(min-1)3300Limit speed
nB(min-1)2700Reference speed
Mass
kg17.1Mass