Crossed Roller Slewing Bearings Without Gear Rks. 21 1091

1. Introduction of LDB excavator slewing bearings
LDB is a professional manufacturer in slewing ring bearings since 1999. 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.
Excavator slewing bearing is a special slewing ring bearing as per its applications. And it is a very important part for excavators, we can supply excavator slewing bearings for both second-hand excavators for maintenance and new excavators.

We offer a recommended range of  products balls and crossed rollers designs in size range from 400 mm to 1900 mm.

Easy to select; From stock; Interchangeable; Cost effective solution; Compete with market leaders; Reference range for new products

Ball Design is a simple design for low demanding applications and allows

A better static capacity for oscillating movements
A better resistance to structure deformations(clearance)
A lower friction rate

Crossed roller design is intended for the most demanding applications and allows

A better dynamic capacity and a long service life
A better stiffness due to the preload
A better resistance to false brinelling and vibrations

L-shape range:

L-shape bearings only to be used in compression. 
Steel: high quality steel, XC 45 improved
Lubrication: L'Shape slewing bearings are pre-lubricated with a lithium soap, EP additives and a consistency of 2.
Bolting class: 10.9 recommended
Grease nipples: four equally grease nipples
High quality raceways hardening


LDB company also provide slewing bearing for excavators: 

 

Sanitary Filter

Sanitary Filter,Stainless Steel Tube Filter,Stainless Steel Filter,Sanitary Air Filter

Wenzhou Qili Fluid Equipment Co., Ltd. , https://www.qlssvalve.com