1. Introduction of LYHY single row four point contact ball slewing bearing
LYHY is a professional manufacturer in slewing ring bearings since 1993. We can also design and make other standard and non-standard ball bearings, roller bearings and precision bearings as per customer's different technical requirements.
Slewing bearing is also called slewing ring, slewing ring bearing, turntable bearing, and rotary bearing.
The single row ball slewing ring bearing is composed of 2 seat-rings. The balls contact with the circular race at four points, via which the axial force, radial force and resultant moment may be born simultaneously.

2. Structure of LYHY slewing bearings
Slewing ring bearings have different types as per different structures:
Single row ball slewing bearings
Double row ball slewing bearings
Crossed roller slewing bearings
Triple row roller slewing bearings
Flange slewing bearings



2. Detailed specifications for the offshore crane slewing bearing: Model: 013.60.2240, 013.60.2500, 013.60.2800
Type: Single row four point contact ball slewing bearing
Bore diameter: 1984/2232/2520mm
Outside diameter: 2418/2678/2978mm
Height: 144mm
Material: 42CrMo
Precision: P0.
Cage/retainer: Nylon
Gear type: Internal gear slewing bearing
Application: Boom crane/offshore crane
Exported 30pcs to Asia customer

3. Why choose LYHY slewing bearings
A pioneer in slewing bearing field, rich experience, can do design, produce, mounting guide
Small order accepted
SO certified company
Variorum models
7*24hours hotline to help you with your cranes
Strict quality control system to ensure quality for slewing bearing



4. Application: For harbour and shipyard crane
Mine machine, port hoisting machine, port oil transfer equipment, onshore and offshore crane, excavator, concrete machine, paper machine, plastic and rubber machine, weave machine, steel plant, electronic power plant, wind power generator, other construction and industry machines or equipments.

5. Packaging Details for large diameter slewing bearing with pinion
1. Bearing surface is covered with the anti-rust oil first; And then wrapped with the plastic film;
2. And then packed with Kraft paper and professional belts;
3. At last, with wooden box totally at the outer packing to invoid the rust or the moist;
4. We can depend on the customers demand to be packed;


Basic Info.
Model NO.: Internal Gear
Export Markets: Global
Additional Info.
Packing: Plywood Case
Standard: Non-standard
Origin: China
Production Capacity: 5000 PCS/Year



--We respected for our quality and cost effective
--We provide custom bearing designs that meet specific customer requirements
--Timely reply. Quotes are turned around in 24 to 48 hours

If you need more information about our product, pls feel free to contact us.
We will get back to you ASAP.

1. Product Series
Single-row Four-point Contact Slewing Bearing
Single-row Crossed Roller Slewing bearing
Double-row Four-point Contact Slewing bearing
Three-row Roller Slewing Bearing
Light type slewing bearing
2. Size range
Outside Diameter: 300mm--6000mm
3. Material: 42 CrMo, 50Mn
4. Minimum order: 1 piece
5. Package: Moisture-proof, Antirust and Oil-proof packing with plywood box
6. Feature: Low noise and low vibration
7. Certificates: ISO9001: 2008.
8. Durability: Perfect
9. Delivery time: 30days -- 45 days
10. Payment terms: L/C, T/T
11. Shipment terms: FOB, CIF, CFR
12. Supply Ability: 5000pcs per year
13. Inner structure: Roller & Ball
14. Custom design: Available