KD600 Series 061 Standard bearings with external gear

KD600 Series 061 Standard bearings with external gear

KD600 Series 061 Standard bearings with external gear

The LYMC Bearing 061 series is a single-row, four-point contact ball slewing bearing featuring an external gear on the outer ring. This series is part of LYMC's established product portfolio and is designed for light to medium-duty applications requiring combined load support in a compact, cost-effective configuration.



Typical Applications：

Construction machinery such as cranes and excavators

Aerial work platforms and man lifts

Solar tracking systems

Radar and antenna positioning systems

Materials handling equipment
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  • KD600 Series 061 Standard bearings with external gear
  • KD600 Series 061 Standard bearings with external gear
InquiryTypeBrandWeightOutside DiaInner DiaTotal HeightExternal Bolt Circle DiaInternal Bolt Circle DiaNumber Of Bolt Holes Per Hole CircleBolt Hole DiaMNumber Of Grease NipplesDiameterDiameterRing HeightRing HeightDistance At Bottom Outer Ring/Inner RingDistance At Bottom Outer Ring/Inner RingGear P.C.D.ModuleNumber Of TeethX.MK.MTooth WidthPermissible Tangentialforces, NormalPermissible tangentialforces, Maximum
[KG]Da [mm]Di [mm]H [mm]La [mm]Li [mm]n B [mm][mm]n₁ O[mm]U[mm]H₁[mm]H₂[mm]Hu[mm]Ho[mm]d[mm]M[mm]Z[mm][mm]b[mm][kN][kN]

The 061 series bearing consists of an inner ring, an outer ring with integral external teeth, and a single row of steel balls with spacers. The raceways are machined so that each ball maintains contact with the raceways at four distinct points, enabling the bearing to simultaneously support axial loads (in both directions), radial loads, and tilting moments within a single row of rolling elements.

The external gear is machined directly on the outer ring, allowing direct pinion drive coupling without the need for a separate gear ring. This simplifies the transmission system and reduces overall component count. Both rings are provided with mounting holes for straightforward bolted installation.

The series follows Rothe Erde's naming convention where the first three digits indicate the bearing type. The 061 series is available in two main sub-series based on the number of mounting holes: the 061.40.** series with forty mounting holes and the 061.60.** series with sixty mounting holes. Each sub-series covers a range of gear diameters to suit various application requirements.

Performance Highlights

  • Combined load capability: Handles axial, radial, and moment loads simultaneously

  • Compact and lightweight: Single-row design saves space and reduces structural weight

  • Smooth rotation: Optimized raceway geometry provides stable operation under load

  • Easy integration: External gear and mounting holes simplify system assembly

  • Proven design: Based on decades of engineering experience in slewing bearing technology


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