
Precision Engineered by NMS – The Pivot Point of Reliability
Compatible with Metso HP/GP, Sandvik CH/CS Series & E Crushers
Engineering Breakthroughs► Ultra-Low Wear Design
Material Science: Bimetallic composite structure
Outer layer: High-strength forged steel (HB 280-320)
Inner layer: Self-lubricating bronze alloy (CuZn25Al6)
Wear Rate: <0.05mm/1,000 hours in abrasive granite crushing
► Vibration Suppression
Helical Oil Grooves: Patented helix geometry maintains continuous oil film
Damping Capacity: Reduces eccentric shaft vibrations by 65% (ISO 10816-3 verified)
► Precision Alignment
CNC-machined concentricity tolerance: <0.03mm
Pre-embossed installation alignment marks eliminate mounting errors
Max. Load Capacity | 180 MPa | 120 MPa |
Operating Temp. | -30°C to +150°C | -10°C to +100°C |
Re-lubrication Interval | 800 hours | 200 hours |
Impact Absorption | 38 Joules | 22 Joules |
▣ 72% Longer Service Life
Validated in Chilean copper mine: 14 months continuous operation vs. industry average 8 months
▣ 40-Minute Replacement
Split design with tapered locking collars eliminates hydraulic press re
▣ Zero Run-in Damage
Pre-lubricated with EP-2 lithium complex grease (embedded reservoir technology)
Primary & Secondary Crushing Stations
High-tonnage Aggregate Plants
Tramp Iron Recovery Systems
NMS Commitment to Crushing Efficiency
Backed by metallurgical lab reports and FEA simulation data.
Complements NMS Top Shell Assemblies & Mantle/Concave Systems.