Description
Tower Crane Parts RCV Slewing Block
Model No.:B-70406-46
RCV Slewing Block B-70406-46 is a core rotary component for tower cranes. Made of premium alloy steel with fine machining, it boasts high toughness, great wear resistance and stable bearing capacity. It matches perfectly with slewing mechanism, enables smooth and low-noise rotation, and works steadily under heavy load. Durable and reliable, it is ideal replacement spare part for tower crane repair.
Product Applications
- Specialized for tower crane RCV slewing system assembly.
- Applied in crane rotary driving mechanism.
- Ensure stable and flexible rotating operation.
- Bear heavy load and reduce running friction.
- Suitable for various construction tower cranes.
- Perfect replacement for damaged original slewing blocks.
Product Details Display

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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