Description
Tower Crane Slewing Ring Bearing Ring Gear M-83662-38 Replacement Spare Part
M‑83662‑38 Tower Crane Slewing Ring Bearing with Ring Gear, core replacement spare part for tower crane rotary system. This heavy‑duty slewing bearing is fitted with integrated ring gear, undertaking axial, radial and overturning moment loads while transferring torque to realize tower crane rotation. Manufactured in compliance with OEM requirements, made of high‑strength alloy steel with precision heat‑treated raceway and gear teeth. It offers high load‑bearing capacity, great wear resistance and reliable sealing, suitable for harsh outdoor construction‑site conditions, enabling quick on‑site swap during tower crane overhaul and maintenance.
Product Applications
- Direct replacement for damaged M‑83662‑38 tower crane slewing ring assembly
- Overhaul and repair of tower crane rotation & transmission mechanism
- Spare‑parts stocking for tower crane service teams and machinery rental firms
- Mechanical maintenance for tower cranes in high‑rise building construction
Packing details

Our Advantages
- Professional supplier of tower crane spare parts
- Competitive pricing
- Stable supply and fast delivery
- Strict quality inspection before shipment
- Export experience to global markets
FAQ
Q1: Are you a manufacturer or a trading company?
A1: We are a manufacturer specializing in tower crane steel components. Additionally, we act as an integrated supplier for other construction machinery and spare parts to provide a one-stop sourcing solution for our clients.
Q2: What is your standard delivery time?
A2: For items in stock, we can ship within 1-2 business days. For bulk orders or customized products, the lead time is typically 15-25 days, depending on the order volume.
Q3: How do you ensure product quality?
A3: Quality is our priority. We implement strict pre-shipment inspections for every order. Furthermore, we offer a 1-year warranty to ensure our clients’ peace of mind.
Q4: What are your packaging standards?
A4: We use standard export seaworthy packaging, including robust wooden cases and reinforced cartons. They are specifically designed to withstand the rigors of long-distance international shipping.
Q5: Which shipping methods do you support?
A5: We support multiple shipping channels, including Sea Freight (LCL/FCL), Air Freight, and International Express (DHL/FedEx/UPS), to meet different urgency and budget requirements.
Q6: What happens if the goods are damaged during transit?
A6: While our robust packaging prevents most damage, if any issues occur, we will take immediate action. We will negotiate compensation or provide a reshipment/replacement service based on the specific situation.







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