HS Series Slewing Ring Bearings

LILY® stock s 10 models of HS series bearings, with forgings for the rest in inventory. Mating pinions for geared bearings are also generally available.

Product
Number
gear Outline dimensions & weight Moment
rating
Crm
(ft-lbs)
Do
(in)
di
(in)
G
approx.
(lbs)
HS6-16E1Z External gear 19.9 12 85 50500
HS6-16P1Z No gear 20.4 12 103 50500
HS6-16N1Z Internal gear 20.4 12.85 92 50500
HS6-21E1Z External gear 25.15 17 108 72700
HS6-21N1Z Internal gear 25.5 17 137 72700
HS6-21P1Z No gear 25.5 17 137 72700
HS6-25E1Z External gear 29.15 21 137 91800
HS6-25P1Z No gear 29.5 21 162 91800
HS6-25N1Z Internal gear 29.5 21.6 148 91800
HS6-29E1Z External gear 32.9 25 158 111900
HS6-29P1Z No gear 33.4 25 186 111900
HS6-29N1Z Internal gear 33.4 25.6 171 111900
HS6-33E1Z External gear 37.2 28.83 188 128000
HS6-33P1Z No gear 37.4 28.83 216 128000
HS6-33N1Z Internal gear 37.4 29.13 205 128000
HS6-37E1Z External gear 41.2 32.83 207 130900
HS6-37P1Z No gear 41.25 32.83 233 130900
HS6-37N1Z Internal gear 41.25 33.133 226 130900
HS6-43E1Z External gear 46.87 338.75 237 139900
HS6-43P1Z No gear 47.18 38.75 269 139900
HS6-43N1Z Internal gear 47.18 39.13 253 139900

Design Features

The internal configuration consists of a rectangular cross section with deep groove gothic arch raceways and maximum ball complement. This results in a four-point contact design that provides exceptional moment, thrust, and radial load capacities.

The HS and RK series share the same pinion, gear, and race core hardness. However, the HS slewing ring features reduced clearance and rectangular sections that provide additional capacity, greater stiffness, and less movement than the RK series. HS slewing ring bearings range in size from 20" to 47" (500 mm to 1,200 mm) OD with a standard cross section. Configurations include non-geared and internal geared (with fittings on the outer diameter), and external geared (fittings on the inner diameter). The gears are Involute Stub designs with 20º pressure angles, manufactured to AGMA Class Q5 and 0.015" to 0.025" allowance for backlash.

HS slewing ring bearings feature two fittings for lubrication, spaced 180° apart. Geared races have tapped holes, while non-geared races have through holes. All have integral seals designed to protect against contamination.

Applications

    LILY®'s HS slewing ring bearings provide a variety of solutions for medium- to heavy-duty applications including:
  • Cranes
  • Aerial Lifts
  • Digger Derricks
  • Chute Swivels
  • Lift Truck Rotators
  • Industrial Turntables

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