Ball Bearings Catalog - Timken

Super Precision Ball Bearings-
Ballscrew Support Bearings
Bore Size:
mm
Metric
ABEC 7 (ISO P4)
with tighter lateral
eccentricity
inch
O.D. Size:
mm
Preload Level:
L light
M medium
* H heavy
* Standard
MM 25 BS 62 DU H
Ballscrew Support Series Designation for Metric Number
Ballscrew Support Series Designation for inch Number
ABEC 7 (ISO P4)
with tighter lateral
eccentricity
Number of
bearings in set:
DU duplex (2)
TU triplex (3)
QU quadruplex (4)
MM 93 10 WI 2 H DU H
Relative Size of Bore:
larger number
larger bore
Design
Specific
Timken ®
Fafnir ®
Series
High capacity
Preload Level:
L light
M medium
* H heavy
* Standard
Number of
bearings in set:
DU duplex (2)
TU triplex (3)
QU quadruplex (4)
TIMKEN PRODUCTS CATALOG D145
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