Verified from source documents for working lubrication data.
View source documentSource documents confirm this chemistry for match screening.
View source documentSource documents confirm this thickener base for compatibility review.
View source documentThis page is refreshed from approved source documents.
What is Mobilgrease 28?
Mobilgrease 28 is a grease used for plain bearings, rolling element bearings, and splines. A useful replacement review should go beyond a simple cross-reference and verify the product definition, operating conditions, lubricant chemistry, and the reason a maintenance or procurement team needs another sourcing option.
The lubrication-temperature profile is -55°C to +180°C, base oil technology is synthetic hydrocarbon fluid, the required thickener base is non-soap, the NLGI grade is 1.5. These details are the starting point for technical matching because they affect film stability, pumpability, separation risk, and service life under real equipment conditions.
Typical demand for Mobilgrease 28 alternatives is driven by regional availability, long lead times, price changes, distributor coverage, or lubricant standardization across multiple plants. At this stage, the goal is to define a qualified technical requirement that can be reviewed against source documents, availability, and private-label sourcing options.
Understanding Mobilgrease 28
- Product type
- Grease
- Common applications
- Plain bearings, rolling element bearings, splines, screws, and worm gears
- Typical industries
- Military and defense, Industrial machinery, Aviation ground support, and Heavy industry
- Lubrication temperature
- -55°C to +180°C
- Base oil technology
- synthetic hydrocarbon fluid
- Thickener base
- non-soap
- Consistency requirement
- 1.5
Key performance characteristics
- Extreme pressure protection
- Wide operating temperature range
- Water washing resistance
- Rust and corrosion protection
- Mechanical stability
- Thermal stability
- Low starting resistance at extreme cold
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Why users look for Mobilgrease 28 alternatives
- Shutdown maintenance
- Private-label match evaluation
- Defense specification compliance
- Local supply gaps
- Lead-time reduction
- Maintenance standardization
- Local stock or distributor coverage for Mobilgrease 28 is limited.
Technical comparison
- Mobilgrease 28
- -55°C to +180°C
- Required match profile
- -55°C to +180°C
- Mobilgrease 28
- synthetic hydrocarbon fluid
- Required match profile
- synthetic hydrocarbon fluid
- Mobilgrease 28
- 1.5
- Required match profile
- 1.5
- Mobilgrease 28
- non-soap
- Required match profile
- non-soap
- Mobilgrease 28
- Plain bearings
- Required match profile
- Plain bearings
- Mobilgrease 28
- Military and defense
- Required match profile
- Military and defense
Why temperature matching matters
Mobilgrease 28 is being evaluated against a -55°C to +180°C lubrication-temperature requirement. Before sourcing an alternative, maintenance teams should check continuous temperature, peak temperature, startup conditions, contamination exposure, load, speed, and relubrication interval for the actual lubrication point.
Why lubricant chemistry matters
The base oil technology is synthetic hydrocarbon fluid. Base oil chemistry affects evaporation loss, oxidation resistance, low-temperature behavior, and compatibility with the existing lubricant in the lubrication point. If the site is changing brands, the new product should be reviewed for chemistry compatibility and purge or changeover requirements.
Why thickener and consistency matter
The required thickener base is non-soap. The required NLGI grade is 1.5. Thickener system and consistency influence mechanical stability, water resistance, oil release, and how the lubricant stays in place. A replacement that matches temperature but differs sharply in thickener or consistency may behave differently under vibration, load, or repeated heating cycles.
Typical applications
Plain bearings
Mobilgrease 28 can be evaluated for bearing positions where heat, load, seal material, speed, and relubrication interval are known. When replacing it in a bearing, the alternative should be checked for oil separation, consistency retention, and compatibility with the existing maintenance interval across -55°C to +180°C.
Rolling element bearings
Mobilgrease 28 can be evaluated for bearing positions where heat, load, seal material, speed, and relubrication interval are known. When replacing it in a bearing, the alternative should be checked for oil separation, consistency retention, and compatibility with the existing maintenance interval across -55°C to +180°C.
Splines
Mobilgrease 28 can be assessed for splines where the operating temperature, contact materials, load, contamination exposure, and lubrication interval are known. Because the base oil technology is synthetic hydrocarbon fluid, chemistry matching should be part of the approval step.
Screws
Mobilgrease 28 can be assessed for screws where the operating temperature, contact materials, load, contamination exposure, and lubrication interval are known. Because the base oil technology is synthetic hydrocarbon fluid, chemistry matching should be part of the approval step.
Worm gears
Mobilgrease 28 can be assessed for worm gears where the operating temperature, contact materials, load, contamination exposure, and lubrication interval are known. Because the base oil technology is synthetic hydrocarbon fluid, chemistry matching should be part of the approval step.
Equipment context
- plain bearings
- rolling element bearings
- splines
- screws
- worm gears
Industry use cases
Military and defense: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from Mobilgrease 28. The more critical the equipment, the more important it is to verify the current TDS, SDS, and operating conditions before approving any proposed match.
Industrial machinery: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from Mobilgrease 28. The more critical the equipment, the more important it is to verify the current TDS, SDS, and operating conditions before approving any proposed match.
Aviation ground support: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from Mobilgrease 28. The more critical the equipment, the more important it is to verify the current TDS, SDS, and operating conditions before approving any proposed match.
Heavy industry: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from Mobilgrease 28. The more critical the equipment, the more important it is to verify the current TDS, SDS, and operating conditions before approving any proposed match.
Replacement checklist
- 1Validate NLGI grade compatibility.
- 2Validate temperature range verification.
- 3Validate thickener type compatibility.
- 4Validate base oil viscosity match.
- 5Validate elastomer compatibility.
- 6Validate temperature range.
- 7Validate base oil chemistry.
- 8Validate thickener compatibility.
Validation plan before switching
Confirm the real operating window
Do not approve a proposed match only because the published temperature range looks similar. Record the continuous running temperature, short peak temperature, startup and shutdown conditions, and whether the lubrication point is exposed to washdown, dust, process chemicals, or outdoor weather. This prevents a replacement from passing on paper while failing in the real machine environment.
Check material and lubricant compatibility
Before switching from Mobilgrease 28, compare the current lubricant with the proposed product for base oil, thickener, additives, seal compatibility, and whether old grease must be purged. If mixed greases are likely to remain in bearings, housings, or lubrication lines, a technical reviewer should review compatibility guidance before starting the changeover.
Run a controlled first-use review
For critical equipment, introduce any proposed match through a limited maintenance trial. Track bearing temperature, noise, vibration, leakage, relubrication volume, lubricant condition, and operator feedback over the first service interval. The result gives purchasing and engineering a shared basis for approval instead of relying only on a catalog match.
Procurement review points
- Submit the requirement so a technical reviewer can classify any proposed match as an alternative, equivalent, or functional replacement for Mobilgrease 28. These terms are not identical: an equivalent implies closer technical alignment, while an alternative may still need engineering review.
- Request current TDS and SDS documents, packaging options, lead time, MOQ, shelf life, and country or region availability before changing the approved vendor list.
- If the site uses Mobilgrease 28 in multiple applications, separate the approval by lubrication point. A product that works in one bearing position may not automatically be approved for higher speed, higher load, washdown, or different relubrication intervals.
- Document the reason for change, the approval evidence, the first-use date, and the maintenance result. This makes future procurement audits and repeat orders easier.
Technical match request
This page turns the search for Mobilgrease 28 alternatives into a technical match request that can be evaluated against documents, operating conditions, availability, and private-label sourcing options. A stronger sourcing decision comes from matching the operating temperature, lubricant chemistry, consistency grade, application duty, and maintenance interval before any purchase request is submitted.
What a technical reviewer will match
- The required match profile should preserve the lubrication-temperature requirement: -55°C to +180°C.
- Base oil technology is synthetic hydrocarbon fluid, so our review should include chemistry evidence.
- The required thickener base is non-soap, which should be checked for compatibility and mechanical stability.
- The application context includes plain bearings, rolling element bearings, and splines.
- Actual suitability should be confirmed against manufacturer documentation and operating conditions after the requirement is submitted.
Any proposed match should be checked against the lubrication-temperature requirement of -55°C to +180°C and actual peak temperature.
The proposed match should preserve the synthetic hydrocarbon fluid chemistry unless engineering approves a change.
The non-soap thickener base should be checked for compatibility, retention, and mechanical stability.
Application context includes plain bearings, rolling element bearings, and splines.
Run document review and first-use monitoring before plant-wide changeover.
FAQ
Can Mobilgrease 28 be replaced?
Mobilgrease 28 can be replaced in many maintenance programs, but the replacement should be validated against the same technical envelope rather than approved by name alone. Start with temperature range, base oil chemistry, thickener system, NLGI or consistency data, and the exact application point. Then compare the latest TDS and SDS documents with the operating conditions on site. For critical equipment, use a controlled first-use trial before approving a plant-wide substitution.
What is equivalent to Mobilgrease 28?
This page is designed to define the sourcing requirement rather than claim a fixed equivalent. A true equivalent needs evidence that the operating temperature, lubricant chemistry, thickener system, application duty, and material compatibility are close enough for the actual lubrication point. Share the TDS, SDS, and site duty cycle so a technical reviewer can prepare a documented match request before the approved product list is changed.
Can Mobilgrease 28 be used in bearings?
Mobilgrease 28 may be used in bearing or general lubrication points only when the bearing type, speed, load, temperature, seal material, and relubrication interval match the documented product profile. A proposed replacement should be checked for NLGI grade, thickener compatibility, base oil chemistry, and oil separation behavior before changing the approved lubricant.
What temperature range should an equivalent support?
An equivalent should support the real operating envelope of the lubrication point, not just a headline number. Always compare continuous temperature, peak temperature, ambient conditions, load, speed, contamination exposure, and relubrication interval before approval.
How should replacement products be validated?
Validate replacements with document review first, then a limited trial. Check the TDS, SDS, application point, temperature range, base oil, thickener, NLGI grade, seal compatibility, load, speed, and relubrication interval. After that, run a controlled first-use review on the real equipment and track temperature, noise, vibration, leakage, lubricant condition, and maintenance feedback. If the trial is stable, the proposed match can move from review to approval.
What documents should be checked before replacing Mobilgrease 28?
Check the latest TDS, SDS, manufacturer product page, OEM maintenance guidance, and any site-specific lubrication standard before replacing Mobilgrease 28. PDF source documents are especially important because industrial lubricant specifications are often more complete than product web pages. The review should capture temperature range, base oil, thickener, consistency, drop point if available, material compatibility, safety handling, and any limitations stated by the manufacturer.
What is the biggest risk when switching from Mobilgrease 28?
The biggest risk is approving a substitute without validating the actual duty cycle against the -55°C to +180°C temperature requirement, seal compatibility, contamination exposure, and relubrication interval. A replacement can look similar in a table but behave differently under heat, load, vibration, or mixed-lubricant conditions. For important equipment, the safer path is document review, engineering confirmation, and a monitored first-use trial before plant-wide rollout.
Technical source documents
Verified data points
Mobilgrease 28: -55 °C to +180 °C
It has extreme pressure characteristics, an extremely wide range of operating temperatures and excellent resistance to water washing.
View source documentMobilgrease 28: non-soap
8623(11/2001) Product Data Sheet Mobilgrease 28 Synthetic High Quality Lubricating Grease Product Description Mobilgrease 28 is a completely synthetic grease manufactured from synthetic hydrocarbon fluid and a non- soap thickener.
View source documentMobilgrease 28: 232 °C
Typical Characteristics Mobilgrease 28 Test Method NLGI Grade ASTM D217 1.5 Type of Soap - Non Soap Colour Visual Red Texture Visual Smooth Worked Penetration at 25ºC, worked ASTM D217 305 Drop Point, ºC ASTM D566 232 Base Oil Viscosity,...
View source documentMobilgrease 28: synthetic hydrocarbon fluid
8623(11/2001) Product Data Sheet Mobilgrease 28 Synthetic High Quality Lubricating Grease Product Description Mobilgrease 28 is a completely synthetic grease manufactured from synthetic hydrocarbon fluid and a non- soap thickener.
View source documentMobilgrease 28: 1.5
The consistency is between NLGI 1 and 2.
View source documentMobilgrease 28: Mobil Mobilgrease 28 -> documented match profile
Both are synthetic multi-purpose greases with wide operating temperature ranges, extreme pressure characteristics, and non-soap thickener systems targeting bearing and mechanism lubrication.
View source document- Source document 1ulei-mobil.ro
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Ready for review
Send your operating conditions for a documented match
Include the current product, equipment, temperature range, load, speed, region, and any TDS/SDS files. The request helps classify the demand as an alternative, equivalent, or replacement case before quotation.
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