Sany Swing Bearing
Classification :
Sany
Keywords :
Sany
Sany Swing Bearing – The Rotational Powerhouse for Your Excavator’s Performance
The Heart of 360° Mobility
The Sany Swing Bearing is the critical rotational interface between your excavator’s undercarriage and upper structure – the engineering backbone that enables smooth, controlled 360° slewing for precise digging, lifting, and material handling . This precision-engineered slewing ring supports the full weight of the cab, boom, and working load, while transmitting axial and radial forces with exceptional stability .
Manufactured from high-quality alloy structural steel (50Mn/42CrMo) with induction-hardened raceways reaching a surface hardness of HRC 58–62, the Sany Swing Bearing delivers outstanding wear resistance under the high rolling contact stresses encountered during heavy-duty excavation . The bearing features a single-row four-point contact ball design, providing load-carrying capacity in both axial and radial directions – ensuring smooth rotation even under heavy off-center loads .
Why This Swing Bearing Matters :
Precision & Control: Enables accurate load positioning and smooth acceleration/deceleration, reducing operator fatigue and improving job site efficiency .
Built to Last: Field data shows genuine Sany slewing bearings deliver an average service life exceeding 10,000 operating hours – three times longer than generic aftermarket assemblies .
Heavy-Duty Load Capacity: Engineered to handle extreme working loads from 1.6-ton mini excavators up to 75-ton large-class machines .
Fleet-Proven Reliability: Standard equipment on Sany STC-series, SAC-series, and excavator models operating in over 100 countries, with documented 37% reduction in unscheduled downtime .
Packaging and shipping
SOMY was founded in 2015 by machinery industryexperts with more than 20 years of work experience.Good cooperation with internationalsuppliers, such as Hitachi, Volvo, Hyundai, Kobelco, Liebherr, Doosan, Atlas Copco, Sandvik, Epiroc, Cummins, SKF Lincoln, Denso, Volvo Penta, Mitsuboshi, Bosch, Nikko, Linde, Nok, CTP, Koyo, NTN, ITR, Donaldson
FACTORY
Product development according to therequirements of OEM products Productdevelopment according to samples ordrawings provided by customers.Joint product design and development incooperation with well-known domesticmanufacturers.
Customer visit
SOMY has forged long-term friendly businessrelationships with customers from all over the world, inparticular from Southeast Asia, Europe, Africa, and theAmericas.
OFFICE SCENE
SOMY has forged long-term friendly businessrelationships with customers from all over the world, inparticular from Southeast Asia, Europe, Africa, and theAmericas.
Customer reviews
Product development according to therequirements of OEM products Productdevelopment according to samples ordrawings provided by customers.
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