Product Description
DISCONTINUED - The recommended replacement product is Mobilith SHC 221.
Mobilith SHC RR 221 Grease is an extended life multipurpose EP lubricant that
is fully approved under the AAR M-942 specification for use in railcar wheel
bearings. Mobilith SHC RR 221 Grease combines an optimized additive package
with proven synthetic base oils and a robust lithium complex thickener system
to provide outstanding protection against wear, rust, high temperature
degradation and demanding startup and heavy loading conditions. The wax free
nature of the synthetic base oil delivers excellent low temperature
mobility/pumpability and very low starting and running torque values.
Features and Benefits
- Excellent resistance to water and seal compatibility.
- Multi-service capability with reduced wear.
- Very low starting and running torque values.
- Fully approved under the AAR M-942 specification for railcar wheel bearings
Applications
Mobilith SHC RR 221 Grease is recommended for the lubrication of grease-filled
freight car roller bearings/grease seal combinations that are not lubricated
in the field. The AAR M-942 specification requires that the lubricant be
acceptable for a minimum life of 500,000 miles for bearings in interchange
service. While Mobilith SHC RR 221 Grease is an NLGI No 1 EP grease with wide
temperature, multi-service capability, the product has been formulated to meet
the high vibration, all-weather, shock loading requirements of railcar wheel
bearings. Mobilith SHC RR 221 Grease is formulated to be compatible with
elastomers that are part of the M-942 Specification.
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Specifications and Approvals
MobiltihSHC RR 221 meets the following industry and builder specifications:
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| AAR M-942 | |
Typical Properties
Mobilith SHC RR 221
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| Product Number | 64401-3 |
| NLGI No | 1 |
| Soap Type | Lithium Complex |
| ISO VG Base Oil | 220 |
| Color | Tan/Light tan |
| Penetration, worked | 325 |
| Dropping Point, °C | 246 |
| LWI, kg | 36 |
| Corrosion Prevention | |
| 4 Ball Wear Scar, mm | 0.6 |
| 4 Ball Weld Load, Kg | 250 |
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Health and Safety
Based on available toxicological information, these products have little or no
adverse effects on health when properly handled and used. No special
precautions are suggested beyond attention to good personal hygiene, including
avoiding prolonged, repeated skin contact. Material Safety Data Sheets can be
obtained from your local distributor; via the Internet on
http://www.msds.exxonmobil.com.
For additional technical information or to identify the nearest U.S. Mobil
supply source, call 1-800-662-4525.
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