Compact Four-Point Contact Ball Slewing Bearings Delivered to India for Cranes

At LTZC, we supply reliable slewing bearing solutions to customers across heavy industries worldwide. We are pleased to share a recent delivery: 2 sets of Model 5903-B52K1 four-point contact ball slewing bearings have been delivered to a customer in India for crane applications. Compact and lightweight by design, the bearings passed the customer’s on-site inspection.

Project Overview

• Product: Four-Point Contact Ball Slewing Bearing

• Model: 5903-B52K1

• Export Destination: India

• Application: Crane

• Quantity: 2 Sets

• Quality System: Manufactured under ISO 9001 quality management system

• Customer Acceptance: Passed on-site inspection

Why Choose Four-Point Contact Ball Slewing Bearing for Cranes?

Cranes place demanding requirements on their slewing support. The bearing must carry combined loads while keeping the rotating structure as light and compact as possible. The 5903-B52K1 addresses these needs in several ways:

• Compact Structure: The bearing has a compact profile, which makes it easier to integrate into crane designs where installation space is limited.

• Lightweight Design: A lighter bearing helps reduce the weight of the crane’s rotating structure and supports efficient overall machine design.

• Combined Load Capability: The four-point contact ball design allows a single bearing to support axial load, radial load and tilting moment at the same time, making it a practical choice for crane slewing systems.

• Smooth Rotation: Ball raceway contact gives stable, smooth slewing, which helps with precise crane movement.

LTZC can also adjust dimensions, mounting holes and gear configuration to suit specific working conditions. See our customized bearings service for details.

Quality Inspection and On-Site Customer Acceptance

Quality is verified before every shipment leaves our factory. Each set of 5903-B52K1 bearings was supplied with its own product quality certificate, showing the model, product number and inspection information, so the customer can identify and trace every bearing on receipt.

LTZC manufactures under an ISO 9001 quality management system, and these bearings were inspected on-site by the customer in India and passed acceptance. For more on our quality control, visit Quality & Certifications.

Secure Packaging for International Delivery

Slewing bearings are precision components, and long-distance transport exposes them to moisture, vibration and handling impact. To make sure the bearings arrive in good condition, this shipment was packed as follows:

• Protective Wrapping: Each bearing was wrapped in protective film, with the quality certificate attached to the outside so it is visible at the point of inspection.

• Plywood Crate Packaging: The bearings were placed in a sturdy plywood crate with metal corner fittings for structural strength during lifting and stacking.

• Strapping and Documentation: Green strapping bands secured the crate, and shipping documents were attached for smooth handling and receipt.

Why Choose LTZC Slewing Bearing Manufacturer?

Luoyang Heavy-duty Bearing Co., Ltd. (LTZC) was founded in 1992 and has more than 30 years of experience in the R&D and manufacturing of large bearings. From a 20,000 square meter production base, we supply slewing bearings, slewing drives, gear parts and thin section bearings to customers in construction machinery, mining, wind energy, marine and many other industries.

As a professional manufacturer, LTZC offers both OEM and ODM services, working from your drawings or developing a solution from your operating conditions. Our India office is also available to support customers in the region.

Contact our expert team today or request a quote to discuss your slewing bearing requirements with our engineers.

FAQ

Q1: What is a four-point contact ball slewing bearing?

A: It is a slewing bearing in which the balls contact the raceway at four points. This allows a single bearing to carry axial load, radial load and tilting moment together, which suits cranes and other rotating equipment.

Q2: Why is the 5903-B52K1 suitable for cranes?

A: The 5903-B52K1 has a compact and lightweight structure. It helps keep the crane’s rotating structure light while providing stable slewing support, and it fits well where installation space is limited.

Q3: How does LTZC ensure the quality of exported slewing bearings?

A: LTZC manufactures under an ISO 9001 quality management system. Each bearing is inspected before leaving the factory and supplied with a product quality certificate for traceability.

Q4: How are slewing bearings packed for international delivery?

A: Bearings are wrapped in protective film and packed in strong plywood crates with metal corner fittings and strapping, protecting them from moisture, vibration and handling impact during transport.

Q5: Can LTZC customize slewing bearings for crane manufacturers?

A: Yes. LTZC provides OEM and ODM services, including custom dimensions, mounting holes and gear configurations, based on your drawings or operating requirements.