• Castrol Spheerol BNS 2 (HTG 2), 15KG

The Symbol : 1522F5

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746.00
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Castrol Spheerol BNS 2
high-temperature bentonite-thickened grease

Castrol Spheerol BNS 2 is a high-performance, non-melting grease based on a bentonite thickener and a thermally stable mineral base oil. It is specially designed for lubricating plain and rolling bearings operating under high thermal loads. The product provides excellent oxidation stability, water resistance, and corrosion protection, making it ideal for extreme industrial environments.

Applications:

Castrol Spheerol BNS 2 is recommended for:

  • soot blower bearings,
  • carriage bearings in quenching furnaces,
  • tunnel kiln dryer bearings,
  • equipment in asphalt mixing plants,
  • crane mechanisms in foundries and steel plants.

Operating temperature range: from -20°C to +150°C, with short-term peaks up to +220°C. Depending on the application, more frequent relubrication may be required.

Advantages and benefits:

  • Excellent oxidation resistance: ensures long service life in high-temperature conditions.
  • Superior corrosion protection: effective even in humid and aggressive environments.
  • Wear reduction: extends the service life of moving parts.
  • Wide operating temperature range: suitable for various demanding applications.
  • Smooth consistency: easy to apply and distribute across surfaces.

Classification according to standards:

  • DIN 51818: NLGI 2
  • ISO 6743-9: not specified (special high-temperature grease)

Approvals and recommendations:
Recommended for use in applications requiring resistance to heat, oxidation, and water washout. Mixing with other greases should be avoided unless approved by technical support.

Technical data:

Property Unit Method Value
Thickener - - Bentonite
NLGI grade - ISO 2137 2
Texture - Visual Smooth
Color - Visual Brown
Dropping point °C IP 396 ≥ 300
Base oil viscosity at 40°C mm²/s ASTM D445 180–220
Worked penetration (60 strokes) 0.1 mm ASTM D217 265–295
Change after 100,000 strokes 0.1 mm ASTM D217 ≤ 60
Oil separation (168h / 40°C) % wt IP 121 ≤ 5
Corrosion protection (SKF Emcor) rating IP 220 0/0
Oxidation stability (100h / 100°C) bar ASTM D942 ≤ 0.4
Copper corrosion (24h / 100°C) rating ASTM D4048 1b
Water resistance (3h / 90°C) rating DIN 51807/1 1-90
Four-ball weld load kg DIN 51806 ≥ 200
Flow pressure at -20°C hPa DIN 51805 < 1400

Downloads:
Product data sheets

Smary:
Smary bentonitowe
Package::
8-15L/KG
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