ISB inner rings offer the possibility to adopt more
advantageous and correct solutions when the shaft cannot be
used as a rolling groove for the bearing.
Inner rings are available with different width and in two
different series: IR and LR.
IR are well finished whereas LR are cheaper and usually
combined with bearings open or closed end, both rings are
supplied with a chamfer to facilitate their mounting.
IR rings are available in different versions as per customers
requirements: greater precision (P5 and P6 tolerance class),
C2-C3-C4 radial clearance and with lubrication hole.
LR rings are hardened and well finished even if lateral surfaces
are not grinded; special executions are not available, only