Newbee Transmission: Emergency Crane Bearing Replacement for Marine Application
Apr 21,2025
Background
A Zhejiang-based shipowner urgently needed to replace the severely worn slewing bearing (3078mm OD) on their vessel's Tsuji-manufactured marine crane. The 20-year-old double-row ball bearing showed excessive vibration and could no longer operate safely. With a new voyage imminent, the shipowner required complete replacement within 25 days.
Solutions
1. Rapid Response Protocol:
Activated emergency production line within 24 hours of order confirmation
Customized double-row ball slewing bearing matching original Japanese specifications
2. Precision Manufacturing:
Strict quality control on material selection (GCr15 bearing steel) and heat treatment
Achieved ≤0.05mm runout tolerance through CNC grinding optimization
3. Logistics Coordination:
Completed manufacturing in 22 days (3 days ahead of schedule)
Arranged dedicated transport to port for immediate installation
Client Testimonial:
'Newbee Transmission delivered a perfect bearing solution under extreme time pressure, ensuring our vessel's timely departure without safety compromises.' Shipowner's Technical Supervisor
Technical Highlights:
Type: Double-row ball slewing bearing
Dimensions: 3078mm OD (1:1 replacement for Tsuji OEM)
Material: GCr15 bearing steel with surface hardening
Service: 24/7 technical support during installation
Feedback
Performance Metric：Result
Production Time：22 days (vs. 25-day requirement)
Vibration Reduction：100% elimination of operational shaking
Service Life：Projected 15+ years based on accelerated wear testing
