LubeAxis Research
Share
Alternative qualification guideHigh Temperature Grease AlternativesReplacement guide

OKS 404 High Performance Gear Grease Replacement Guide

OKS 404 alternative and replacement guide for high performance gear grease selection. Key checks include -30°C to 150°C and semi-synthetic oil chemistry.

Request a Technical Match for OKS 404Upload TDS / SDS if available
Continuous lubrication
Documented
-30°C to 150°C

Verified from source documents for working lubrication data.

View source document
Base oil technology
Documented
semi-synthetic oil

Source documents confirm this chemistry for match screening.

View source document
Thickener base
Documented
lithium complex

Source documents confirm this thickener base for compatibility review.

View source document
Updated
7/3/2026

Final product selection should be confirmed against current TDS, SDS, and operating conditions before quotation.

What is OKS 404?

OKS 404 is a grease used for bearings, splined shafts, and knockout spindles. 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 -30°C to 150°C, base oil technology is semi-synthetic oil, the required thickener base is lithium complex, the NLGI grade is 2. 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 OKS 404 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 OKS 404

Product type
Grease
Common applications
Bearings, splined shafts, knockout spindles, sliding surfaces, and high-temperature lubrication
Typical industries
Plant and machine engineering, Rubber and plastic processing, Paper and packaging industry, Shipbuilding and marine technology, and Chemical industry
Lubrication temperature
-30°C to 150°C
Base oil technology
semi-synthetic oil
Thickener base
lithium complex
Consistency requirement
2

Key performance characteristics

  • Wide range of applications
  • Supports sealing of bearings
  • Good corrosion protection
  • Resistant to ageing and oxidation
  • Good resistance to pressure and water
  • Semi-synthetic oil base oil technology
  • Lithium complex thickener base
Priority replacement guides

Compare related replacement guides

View full guide library

These pages are already receiving Google Search impressions. Use them to compare similar industrial lubricant replacement requests before adding new pages.

OKS 230 alternative and replacement guide

Review title, TDS/SDS checks, application fit, and replacement request details.

OKS 403 alternative and replacement guide

Review title, TDS/SDS checks, application fit, and replacement request details.

OKS 432 alternative and replacement guide

Review title, TDS/SDS checks, application fit, and replacement request details.

OKS 481 alternative and replacement guide

Review title, TDS/SDS checks, application fit, and replacement request details.

Bel-Ray Molylube 5% Moly Extreme Pressure Grease LC alternative and replacement guide

Review title, TDS/SDS checks, application fit, and replacement request details.

Bel-Ray PDS Molylube Multipurpose EP Grease alternative and replacement guide

Review title, TDS/SDS checks, application fit, and replacement request details.

Brand library

OKS models in this library

Use this brand index to move from OKS 404 to other OKS models that already have published technical guides.

Share OKS requirement
OKS48 related models
OKS 475published guideOKS Product Information OKS 410 pdf-File (322 KB)published guideOKS 400 MoS Multipurpose High Performance Greasepublished guideOKS 464published guideOKS 479published guideOKS 255published guideOKS 241published guideOKS 476published guideOKS Product Information OKS 1105 pdf-File (200 KB)published guideOKS 402published guideOKS 4240published guideOKS 1140published guideOKS 472published guideOKS 1144published guideOKS 428published guideOKS 4200published guideOKS 404 High Performance and High Temperature Greasepublished guideOKS 270published guideOKS 422 Universal Grease for Long-Term Lubricationpublished guideOKS 235 Aluminium Pastepublished guideOKS Product Information OKS 424 pdf-File (323 KB)published guideOKS 2501published guideOKS 422published guideOKS 480published guideOKS 210 Protective Film for Metalspublished guideOKS 1111published guideOKS Product Information OKS 3601 pdf-File (241 KB)published guideOKS Product Information OKS 470 pdf-File (265 KB)published guideOKS 277published guideOKS 265published guideOKS 245published guideOKS High-Pressure Grease, water-resistant, for Food Processing Technology, Spray OKS 481published guideOKS Product Information OKS 469 pdf-File (375 KB)published guideOKS 1133published guideOKS 403published guideOKS 424published guideOKS 250published guideOKS 2351published guideOKS 418published guideOKS 420published guideOKS 280 White High Temperature Pastepublished guideOKS White Universal High-Performance Grease, Spray OKS 471published guideOKS 260 White Assembly Pastepublished guideOKS 252published guideOKS 4100published guideOKS 4220published guideOKS 471published guideOKS 416published guide

Why users look for OKS 404 alternatives

  • Supply chain gaps
  • Performance verification
  • Local supply gaps
  • Lead-time reduction
  • Private-label match evaluation
  • Maintenance standardization
  • Local stock or distributor coverage for OKS 404 is limited.

Technical comparison

Lubrication temperature
OKS 404
-30°C to 150°C
Required match profile
-30°C to 150°C
Base oil
OKS 404
semi-synthetic oil
Required match profile
semi-synthetic oil
NLGI grade
OKS 404
2
Required match profile
2
Thickener
OKS 404
lithium complex
Required match profile
lithium complex
Main application
OKS 404
Bearings
Required match profile
Bearings
Industry fit
OKS 404
Plant and machine engineering
Required match profile
Plant and machine engineering

Why temperature matching matters

OKS 404 is being evaluated against a -30°C to 150°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 semi-synthetic oil. 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 lithium complex. The required NLGI grade is 2. 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.

Share operating conditions for review

Typical applications

Bearings

OKS 404 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 -30°C to 150°C.

Splined shafts

OKS 404 can be assessed for splined shafts where the operating temperature, contact materials, load, contamination exposure, and lubrication interval are known. Because the base oil technology is semi-synthetic oil, chemistry matching should be part of the approval step.

Knockout spindles

OKS 404 can be assessed for knockout spindles where the operating temperature, contact materials, load, contamination exposure, and lubrication interval are known. Because the base oil technology is semi-synthetic oil, chemistry matching should be part of the approval step.

Sliding surfaces

OKS 404 may be used on sliding interfaces that need controlled friction, wear protection, and stable lubricant film formation. A replacement should preserve the same contact behavior and should be reviewed for surface material compatibility before broad rollout.

High-temperature lubrication

OKS 404 can be assessed for high-temperature lubrication where the operating temperature, contact materials, load, contamination exposure, and lubrication interval are known. Because the base oil technology is semi-synthetic oil, chemistry matching should be part of the approval step.

Equipment context

  • bearings
  • sliding surfaces
  • bearings friction surfaces

Industry use cases

Plant and machine engineering: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from OKS 404. The more critical the equipment, the more important it is to verify the current TDS, SDS, and operating conditions before approving any proposed match.

Rubber and plastic processing: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from OKS 404. The more critical the equipment, the more important it is to verify the current TDS, SDS, and operating conditions before approving any proposed match.

Paper and packaging industry: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from OKS 404. The more critical the equipment, the more important it is to verify the current TDS, SDS, and operating conditions before approving any proposed match.

Shipbuilding and marine technology: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from OKS 404. The more critical the equipment, the more important it is to verify the current TDS, SDS, and operating conditions before approving any proposed match.

Chemical industry: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from OKS 404. The more critical the equipment, the more important it is to verify the current TDS, SDS, and operating conditions before approving any proposed match.

Glass and foundry industry: demand planning should focus on temperature exposure, load, contamination, downtime cost, and whether the plant can run a controlled trial before switching from OKS 404. 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 temperature range.
  • 2Validate NLGI grade.
  • 3Validate base oil viscosity.
  • 4Validate base oil chemistry.
  • 5Validate thickener compatibility.
  • 6Validate operating duty cycle.
  • 7Verify the actual lubrication temperature range and relubrication interval.
  • 8Confirm base oil, thickener, NLGI grade, and drop point against the current TDS.

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 OKS 404, 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 OKS 404. 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 OKS 404 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 OKS 404 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: -30°C to 150°C.
  • Base oil technology is semi-synthetic oil, so our review should include chemistry evidence.
  • The required thickener base is lithium complex, which should be checked for compatibility and mechanical stability.
  • The application context includes bearings, splined shafts, and knockout spindles.
  • Actual suitability should be confirmed against manufacturer documentation and operating conditions after the requirement is submitted.
Temperature range
Required

Any proposed match should be checked against the lubrication-temperature requirement of -30°C to 150°C and actual peak temperature.

Base oil
Required

The proposed match should preserve the semi-synthetic oil chemistry unless engineering approves a change.

Thickener
Required

The lithium complex thickener base should be checked for compatibility, retention, and mechanical stability.

Application
Required

Application context includes bearings, splined shafts, and knockout spindles.

Validation required
Yes

Run document review and first-use monitoring before plant-wide changeover.

FAQ

Can OKS 404 be replaced?

OKS 404 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 OKS 404?

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 OKS 404 be used in bearings?

OKS 404 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 OKS 404?

Check the latest TDS, SDS, manufacturer product page, OEM maintenance guidance, and any site-specific lubrication standard before replacing OKS 404. 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 OKS 404?

The biggest risk is approving a substitute without validating the actual duty cycle against the -30°C to 150°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

Product data / Lubrication temperature

OKS 404: -30 °C to 150 °C

Search × OKS 404 – High-Performance and High-Temperature Grease Semi-synthetic lithium complex soap grease with a wide range of applications in a wide range of temperatures.

View source document
Product data / Thickener

OKS 404: lithium complex

Search × OKS 404 – High-Performance and High-Temperature Grease Semi-synthetic lithium complex soap grease with a wide range of applications in a wide range of temperatures.

View source document
Product data / Base oil

OKS 404: semi-synthetic oil

Find a dealer Areas of application Lubrication of friction, rolling and pivoting bearings, splined shafts, knockout spindles and sliding surfaces of all kinds under heavy loads and a broad temperature range, as well as all sliding speeds...

View source document
Product data / NLGI grade

OKS 404: 2

Find a dealer Areas of application Lubrication of friction, rolling and pivoting bearings, splined shafts, knockout spindles and sliding surfaces of all kinds under heavy loads and a broad temperature range, as well as all sliding speeds...

View source document
Replacement relation / Alternative relation

OKS 404: OKS 404 -> documented match profile

Both are high-temperature greases with similar operating ranges and NLGI grade.

View source document

Related high temperature grease alternatives guides

View all high temperature grease alternatives guides

OKS White Allround Paste, metal-free OKS 250 alternative and replacement guide

Compare source documents, technical fit, applications, and replacement checks for this related guide.

OKS 2351 alternative and replacement guide

Compare source documents, technical fit, applications, and replacement checks for this related guide.

OKS 252 alternative and replacement guide

Compare source documents, technical fit, applications, and replacement checks for this related guide.

OKS 210 alternative and replacement guide

Compare source documents, technical fit, applications, and replacement checks for this related guide.

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.

Share requirement