KLÜBER to Castrol Industrial Grease Cross-Reference
| KLÜBER Product | Equivalent | Notes |
| Kluberplex BEM 41-132 | Castrol Spheerol EPL 2 | Both lithium, NLGI 2, mineral oil EP greases for general industrial bearings. |
| Staburags NBU 12 | Castrol Molub-Alloy 777-2 ES | Different thickener. NBU 12 has MoS₂ and barium complex water resistance for steel mill duty. |
| ISOFLEX TOPAS NB 52 | Castrol Optitemp 2 LN | Barium complex vs proprietary. ISOFLEX TOPAS rated to 2M DN for ultra-high-speed spindles. |
| Kluberspeed BF 72-22 | Castrol Longtime PD 2 | Both polyurea thickener for electric motor bearings. Verify speed rating and noise characteristics. |
| Klüberfood NH1 94-301 | Castrol Optileb GR FS 2 | Both NSF H1 food-grade. KLÜBER adds ISO 21469 + Kosher/Halal certifications. |
Reference: Published product datasheets. Verify with current datasheets before substitution.
⚠ Important Disclaimer
This cross-reference is provided for informational purposes only. Equivalent does not mean identical. Always verify technical compatibility by consulting both manufacturers' datasheets and obtaining OEM approval before substituting. Contact KOEED for verified KLÜBER product recommendations.
Frequently Asked Questions
Q: Does Castrol have a direct equivalent to ISOFLEX TOPAS NB 52?
Castrol Optitemp 2 LN is positioned as a high-speed spindle grease but uses different thickener technology. ISOFLEX TOPAS NB 52's barium complex thickener enables the 2 million DN speed rating that is the industry benchmark for ultra-high-speed CNC spindles. For spindles above 1 million DN, ISOFLEX TOPAS remains the preferred specification.
Q: What is the most commonly cross-referenced KLÜBER/Castrol product?
Kluberplex BEM 41-132 and Castrol Spheerol EPL 2 are the most commonly cross-referenced products — both are lithium, NLGI 2, mineral oil greases for general industrial bearing applications. They serve as the baseline multi-purpose grease in their respective portfolios.