Timken Super Precision Bearings for Machine Tool Applications

Super Precision Ball Bearings
Ball Screw Cartridge Units
METRIC
BU bolt-on flanged unit
PB pillow block
Bore Size:
mm
For BU Style outer diameter for
housing insertion
For PB Style center height
(both in millimeters)
C
BS
BU
35
D
50
H
Ball Screw Support
Series Designation
for Metric Number
Number of
bearings in set:
D duplex (2)
Q quadruplex (4)
H heavy preload
TIMKEN MACHINE TOOL CATALOG 133