Kluber Lubrication ISOFLEX-TOPAS NB52 (370GM-CART)

Additional Product Information

Overview

ISOFLEX TOPAS NB 52 and NB 152 are high-performance synthetic rolling and plain bearing greases. Widely used in aviation MRO and machinery maintenance, these greases provide exceptional load-carrying capacity, corrosion protection, and temperature resilience. Teams rely on them for long-lasting, reliable lubrication under challenging operational conditions, including exposure to water and extreme temperatures.

Key Technical Specs for ISOFLEX TOPAS NB 52 & NB 152

• Type: Synthetic hydrocarbon oil with barium complex soap thickener
• Size/Volume: Aerosol 400 ml, Can 1 kg, Cartridge 400 g, Bucket 25 kg, Klübermatic cartridges 120–125 ml
• Color: Beige
• Viscosity / Consistency: NB 52 – worked penetration 265–295 x 0.1 mm; NB 152 – worked penetration 265–295 x 0.1 mm
• Service Temperature: NB 52 –50?°C to 120?°C (short peaks up to 150?°C); NB 152 –40?°C to 150?°C
• Corrosion Resistance: Excellent (DIN 51802/51811 tests)
• Oxidation Stability: NB 52 – ≤0.3 bar drop; NB 152 – ≤0.1 bar drop after 100 h at 99?°C
• Water Resistance: DIN 51807 pt. 01, 3 h/90?°C, ≤1–90 rating
• Typical Uses: Rolling and plain bearings, precision gears, electric contacts, plastic/metal friction points

Approvals & Specifications

• ELINCS-registered barium complex soap
• Approved by GASG (Global Automotive Stakeholders Group)

Typical Aircraft MRO / AOG Applications

• High-speed rolling and plain bearings
• Precision gear lubrication in actuators and control systems
• Fan and pump bearing lubrication
• Wheel bearings for high-performance aircraft and ground support equipment
• Plastic/metal and plastic/plastic friction points

Compatibility & Safety Notes

• NB 152 compatible with many plastics
• Use standard PPE for handling greases
• Avoid exposure to direct sunlight and temperatures above 50?°C
• Apply with spatula, brush, grease gun, cartridge, or Klübermatic dispenser

Packaging & Procurement

• Available in aerosol cans, 1 kg and 25 kg containers, 400 g cartridges, and Klübermatic cartridges (120–125 ml)
• Easy to handle, store, and dispense
• Long shelf life under recommended storage conditions

Why ISOFLEX TOPAS NB 52 & NB 152 is Chosen for AOG / MRO

• Extends component and bearing life
• Resistant to water, corrosion, and ambient media
• Reliable performance across a wide temperature range
• Versatile for bearings, gears, and plastic friction points
• Supports fast, efficient maintenance and repair operations

Practical Suggestions for Your Team (AOG Mindset)

• Stock both NB 52 and NB 152 for temperature-specific applications
• Use Klübermatic automatic dispensers for high-precision dosing
• Train maintenance teams on substrate compatibility and application techniques
• Ensure PPE use and safe storage for long-term reliability

Manufacture / Aviation Spec Codes

• Manufacturer: Klüber Lubrication
• Product ID: NB 52 – 004131, NB 152 – 004145, NB 52 Spray – 081326
• MIL/OEM/Export Codes: GASG approved, ELINCS-registered barium complex soap

Alternative Names & Descriptions

• NB 52 synthetic bearing grease
• NB 152 plastic-compatible synthetic grease
• Klüber ISOFLEX TOPAS NB series
• ISOFLEX rolling bearing grease
• ISOFLEX plain bearing lubrication grease