Kaydon Bearings - Heavy Duty Turntable Bearings

Kaydon Bearings KH series heavy duty turntable bearings are designed to provide precise positioning and stopping, with consistent repeatability, in applications where rotation is constant, intermittent or oscillating. They are the ideal bearing for advanced rotary index tables or any design where the bearing will mesh with other precision mechanical components.

Heavy Duty Turntable Bearings Summary Information

KH Series heavy duty turntable bearings are designed to provide precise positioning and stopping, with consistent repeatability, in applications where rotation is constant, intermittent or oscillating. They are the ideal bearing for advanced rotary index tables or any design where the bearing will interface with other precision mechanical components.

The KH Series bearing's unique 4-point contact ball geometry enables one bearing to handle simultaneous radial, axial and moment loading. An internal diametral preload provides greater stiffness and minimum free play. And unlike conventional air bearings, Kaydon KH Series heavy duty turntable bearings will not lock up in the presence of off-center loads. Available in 3 popular pitch diameters, in geared and non-geared versions, Series KH heavy duty turntable bearings feature a low profile to permit larger work areas above the index table.

Tight deflection and tilt tolerances give KH Series bearings their precision

KH Series heavy duty turntable bearings are often used in applications where the position of a rotating part relative to the stationary structure is critical. The axis of rotation can be displaced from its true position in three ways-radially, axially, and angularly. These deviations are referred to as radial deflection, axial deflection, and tilt (angular rotation).

The three tables on our heavy duty turntable pdf catalog page show stiffness of standard KH Series bearings. If your application requires increased stiffness, Kaydon Bearings can often supply a stiffer bearing in the same envelope dimensions. For additional information, please contact us.

Materials of construction and technical data for heavy duty turntable bearings

• Rolling elements:
  Chrome steel hardened to Rockwell C 60 minimum.
• Ball paths (raceways):
  Selectively hardened for maximum obtainable bearing capacity. Fourpoint internal design permits acceptance of combination axial, radial, and moment loads.
• Geared and ungeared rings:
  Rolled high carbon steel forgings quenched and tempered to 262 BHN minimum
• Gears:
  Involute Stub, 20° pressure angle, AGMA quality 8
• Seals:
  Nitrile rubber seals provide positive contact for retention of lubrication and exclusion of contaminants Lubrication–Multi-purpose lithiumbased, NLGI No. 1 E.P. grease