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Grease and Speed Capability

Before selecting a grease, it is important to define a relative speed capability of the application. There is no precise method that can be applied to determine the operating speed of a bearing. Over the years, designers of machine tool systems have been guided by their own experiences from which many basic “rules of thumb” have been established. One such rule is the “DN” speed value.

DN = Bore in millimeters * RPM

The four most common spindle greases that Torrington recommends are:

Exxon Andok

Mobil 28 Chevron SRI

C

  • Vertical applications < 500,000 DN

  • Light loads < 600,000 DN

  • Medium to heavy loads < 350,000 DN

Kluber Isoflex NBU 15 – Light loads, vertical or

Kluber Isoflex NCA 15

horizontal applications

  • >

    500,000 DN

160

AEROSHELL 22

FS381B-P

044

ANDOK 260

FS167E

049

ANDOK B

FS104A

023

ANDOK C

FS118

436

ANTICORIT L-245XBF

FS890

078

CHEVRON SRI

FS545

037

DOW CORNING 44

FS137A

004

DRY

125

FERROCOTE 5856 BF

FS639

162

ISOFLEX NBU 15

FS637

443

ISOFLEX NCA 15

FS905

422

ISOFLEX SUPERLDS18

FS735

115

ISOFLEX TOPAS NB52

FS737

149

ISOFLEX TOPAS NCA15

FS883

076

KRYTOX 240AB

FS452

161

KRYTOX 240AC

FS433

LUBCON L252

FS915

086

MOBIL 28

FS381A

456

MOBILITH SHC15

FS919

095

MOBILTEMP SHC 32

FS612

169

PQ CORROSION PREV.

FS216

067

RHEOTEMP 500

FS208

012

WINSOR LUBE L-245X

FS171A

167

WINSOR LUBE L1018

FS179A

These are the greases that Torrington would recommend, LUBE SPECS

LUBE CODE

LUBE

FS SPEC

102800

ENGINEERING

equivalents to the above greases could be substituted.

Quantity of Grease: 25% to 40% pack for Normal Speed (< 500,000 DN)

15% to 20% pack for High Speed (> 500,000 DN)

E39

ENGINEERING

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