Timken Super Precision Bearings for Machine Tool Applications

Super Precision Ball Bearings
Ball Screw Support – Single Row
METRIC
Bore Size:
mm
O.D. Size:
mm
Preload Level:
L light
M medium
H heavy (standard)
C
MM 25 BS 62 DU H
ADDA
ABEC 7 (ISO P4):
with tighter lateral
eccentricity
Ball Screw Support Series Designation for Metric Number
Number of
bearings in set:
DU duplex (2)
TU triplex (3)
QU quadruplex (4)
INCH
Ball Screw Support Series Designation for Inch Number
Preload Level:
L light
M medium
H heavy (standard)
MM 93 10 WI 2 H DU H
ABEC 7 (ISO P4):
with tighter lateral
eccentricity
Relative Size of Bore:
Larger number
larger bore
Design:
Timken
(vs. ABMA)
specifications
Series:
No callout denotes
standard capacity
H high capacity
Number of
bearings in set:
DU duplex (2)
TU triplex (3)
QU quadruplex (4)
TIMKEN MACHINE TOOL CATALOG 131