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MTE-324T Slewing Ring Bearing Turntable Bearing for Hoists

Part Number MTE-324T
Moment Load Rating (Crm) 102400ft-lbs | 457.143KN
Bearing Types Slewing Ring Bearing

MTE-324T Slewing Ring Bearing Turntable Bearing for Hoists

MT Series slewing ring bearings have a rectangular cross-section and range in size from 4 – 47 inches OD (100 – 1200 mm). They provide optimal economy and capacity for a given envelope dimension.

Design Features

The internal configuration consists of deep groove gothic arch raceways and maximum ball complement. This results in a four-point contact design which provides exceptional moment, thrust, and radial load capacities. Integral face riding seals for the larger sizes and non-contact shields for the smaller assist in the exclusion of contaminants. These features make them an ideal choice for a 

wide range of applications from light to heavy duty.

MT Series bearings are offered in non-geared (MTO) and externally geared (MTE) configurations. The gears are Fellows Stub Involute up to the MTE-324 size and Stub Involute for larger sizes, all manufactured to AGMA Class Q6 quality. Contact Kaydon for tooth backlash allowance.

Part numbers ending in a “T” suffix have threaded mounting holes. Thread depths are a minimum of 1.5 times the nominal hole size diameter indicated.Part numbers ending in an "X" suffix provide additional load capacity.


MT Series bearings have been used successfully in a wide range of applications from light to heavy duty.

The smaller sizes are well suited for:

❚ Manipulators❚ Jib cranes❚ Lift-assist devices❚ Work positioners

Larger sizes are well suited for:

❚ Truck-mounted cranes❚ Aerial lifts❚ Hoists❚ Small wind turbines❚ Non-precision positioning tables




Part NumberMTE-324T
Moment Load Rating (Crm)102400ft-lbs | 457.143KN
Bearing TypesSlewing Ring Bearing
Outline Dimensions and Weight
Outside Diameter of Outer Ring (Do)20.486" | 520.34mm
Inside Diameter of Inner Ring (di)12.750" | 323.85mm
Height of Overall Bearing Assembly (H)2.062" | 52.37mm
Height of Inner Ring (Hi)/Height of Outer Ring (Ho)2.022" | 51.36mm
Approximate Weight (lbs)98lbs | 44.452KG
Mounting Holes
Bolt Circle in Outer Ring (Lo)18.875" | 479.43mm
Number Holes in Outer Ring (no)20
Size of Hole in Outer Ring (Bo)5/8-11
Bolt Circle in Inner Ring (Li)14.375" | 365.13mm
Number Holes in Inner Ring (ni)20
Size of Hole in Inner Ring (Bi)5/8-11
Gear Data
Pressure Angle of Gear Teeth (α)20 º
Tooth formFS
Pitch diameter of gear(D2)20.2" | 513.08mm
Diametral pitch(Pd)5/7
Number of gear teeth(z2)101
Face width of gear teethαb2)2.022"
Mating Pinions39201001