Engineered for Metallurgical Cranes, Port Machinery & Heavy-Duty Applications – 30+ Years of Precision Manufacturing
When your crane operations demand reliability under extreme stress, LUOYANG INNO's crane slew rings deliver unmatched performance. Designed for small to medium-sized cranes handling 500+ tons, our slew rings combine 50Mn steel durability with precision-ground raceways to withstand heavy shocks, high heat, and harsh outdoor environments. With 1,000+ standard sizes in stock and rapid custom manufacturing, we keep your projects moving.


| Parameter | Details |
|---|---|
| Diameter Range | 500mm – 5000mm |
| Load Capacity | Up to 800 tons (custom designs) |
| Materials | 50Mn/42CrMo steel, GCr15SiMn rollers |
| Precision Grade | P4 (ISO 492) |
| Noise Level | ≤35dB at full load |
1. Raw Material Checks: Ultrasonic testing for internal flaws.
2. In-Process Controls: Laser scans verify raceway dimensions (±0.01mm).
3. Final Validation: 12-hour load testing under simulated operating conditions.
Result: 99.9% ex-factory qualification rate with traceable batch documentation.

Need urgent replacements? Our 24/7 team provides technical drawings within 4 hours.
Q: How do your slew rings handle 150°C environments?
A: We use 42CrMo alloy steel hardened to HRC 55–60, paired with heat-stable fluororubber seals.
Q: Can you customize mounting patterns for existing cranes?
A: Yes! Share your bolt hole template – we'll match it precisely in CAD within 24 hours.
Q: What certifications do your products have?
A: All products meet ISO 9001, CE, and OSHA standards. DNV GL-certified options available.
Ready to Upgrade Your Crane's Performance?
📩 Email sales@inno-bearing.com for:
LUOYANG INNO BEARING CO., LTD – Your Partner in Heavy-Duty Crane Slew Ring Solutions Since 1993.
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