Page 16 - Craft Bearing Catalog

Lubrication Installation Guide for Craft Split Roller Bearings
Bearing Company Inc.

n Base Oil Compatibility Table n Elastomer Oil Compatibility Table

LEGEND LEGEND Seal Material

Compatible Compatible
∆ Borderline Mineral Oil Ester Oil Polygycol Oil Silicone Oil (methyl) Silicone Oil (phenyl) Polyphenyl Ether Oil Perfluorinated Aliphatic Ether Oil ∆ Borderline Buna Nitrile Butyl Kalrez Neoprene Nordel (EPDM) Silicone Teflon (PTFE) Viton
X Incompatible X Incompatible
Mineral X X ∆ X X Mineral X X
Oil Oil
Ester X X Organic ∆ X X X X
Oil Ester
Polygycol X X X X Polygycol
Oil X
Silicone Oil X X X ∆ X X Phosphate X X
(methyl) Ester
Silicone Oil ∆ X ∆ X X
(phenyl) Base Oil Silicone
Polyphenyl X X X X Polybutenes ∆ ∆
Ether Oil
Perfluorinated Fluorinated ∆
Aliphatic X X X X X X Ester
Ether Oil
Synthesized ∆ X X X
Hydrocarbon

Chlorofluorinated ∆
Hydrocarbon
n Friction Reducing Content Service
Anti-Seize Compounds Limit (°F) 225 250 550 225 300 450 500 400

An anti-seize compound must be used
on the spherical of the cartridge and housing n Regular Maintenance
to assure continued self alignment and
prevention of fretting corrosion—which is Due to the action of the rollers against the flanges
caused by two heavily loaded metal surfaces of the clamp collars and the shoulders of the outer
rubbing or vibrating against one another, raceway, the held bearing requires more frequent
resulting in the formation of rust. Anti-seize lubrication than the float bearing. Held bearings
1
compounds are available as copper base or should receive /8 ounce (three to four shots) of
nickel base metallic type and Teflon based grease every 250 operating hours, or at two-week
1
types. In marine applications, nickel based intervals. Float bearings should receive /8 ounce of
anti-seize is the most common type. grease every 500 hours, or once a month. As a general
rule, non-synthetic greases should be cleaned out
of the bearings and replenished with new grease
annually. By utilizing synthetic grease, this time
frame can be extended to three years, dependent
on ambient conditions, severity of the application,
and re-lube schedules. End user knowledge and
experience concerning actual conditions, loads, and
speeds, should always be taken into consideration.

14 Craft Bearing Company, Inc. n Newport News, Virginia n www.craftbearing.com

Craft Bearing 2017 Catalog + Spe14 14 8/14/17 1:51:25 PM