Propeller Hub Lubrication:
- Type: Grease or oil-based lubricant
- Viscosity: ISO VG 68 to 220 (depending on application)
- Grade: NLGI 2 or equivalent
- Operating Temperature: -20°C to 120°C
- Material Compatibility: Bronze, steel, composite seals
- Buoyancy: Neutral (non-floating)
- Water Resistance: High (marine-grade)
Propeller Hub Services:
- Hub Size Range: 300mm to 2000mm (diameter)
- Material: Cast steel, stainless steel, or aluminum alloy
- Seal Type: Lip seals or mechanical seals
- Lubrication Interval: 500–2000 operating hours
- Buoyancy: Neutral (depends on hub design)
- Maintenance: Inspection, regreasing, seal replacement