Cross Roller Slewing Bearings for Tower Crane

Basic Info
  • Model NO.: GRT030

  • Feature: High Speed, Vacuum, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant

  • Rolling-Element Number: Multiple-Column

  • Material: Bearing Steel

  • Quality: 50mn, 42CrMo

  • Outer Dimension: 200-6000mm

  • Customer Design: Available: Available

  • Certificate: ISO9001:2008,Ohsas18001:1999,ISO14001:2008

  • Specification: 200mm-6000mm

  • HS Code: 848340900

  • Standard or Nonstandard: Nonstandard

  • Sealing Gland: Sealed On Both Sides

  • Roller Type: Spherical Raceway

  • Type: External Gear

  • Rolling Body: Roller Bearings

  • Load Direction: Axial

  • OEM: Yes

  • Trademark: FNB

  • Origin: China

Product Description
Details of Slewing Bearings:
Features of Slewing Bearings
Slewing bearing is also called:Slewing ring bearing/Turnable bearing/Slewing ring etc.

Slewing Ring Bearings can accommodate axial, radial and moment loads acting single or in combination and in any direction.

They are not mounted in a housing or on a shaft, but directly to a seating surface.

The inner and outer ring are supplied with mounting holes. Both rings may have integral gears.

They are also referred to as slewing rings and tabletop bearings.

Slewing ring bearing can perform oscillating (slewing) as well as rotating movements. 

They may be used without gears or with internal or external gears.

Structure types of Slewing Bearings
-- Single-row 4-point contact ball series
-- Single-row crossed roller series
-- Double-row ball series
-- Three-row roller series
-- Roller and ball combination series
-- Quenching slewing ring bearing
-- For Non-gear,External Gear,Internal Gear

Application of Slewing Bearings
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 equipment.