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HT10-48N1Z Slewing Ring Bearing Turntable Bearing

Part Number HT10-48N1Z
Bearing Types Slewing Ring Bearing
Outside Diameter of Outer Ring (Do) 54" | 1371.6mm
Inside Diameter of Inner Ring (di) 42.16" | 1070.86mm
Approximate Weight (lbs) 689lbs | 312.524KG

HT10-48N1Z Slewing Ring Bearing Turntable Bearing

HT Series slewing ring bearings are larger versions of the HS Series, with increased ball diameter and cross-sectional area providing substantially more capacity. They range in size from 36 – 66 inches OD (900 – 1700 mm) with a standard cross section.

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 seals are provided to assist in the exclusion of contaminants.

Geared rings have tapped holes, while non-geared rings have through holes.

HT Series bearings are available in internal geared, external geared, and nongeared configurations. The gears are Involute Stub designs with 20° pressure angles, manufactured to AGMA Class Q5 and .015 to .025 inches allowance for backlash.

All models feature two fittings for lubrication, spaced 180 degrees apart. On non-geared and internal geared models, the fittings are located on the outer diameter (Do). On the external-geared models, the fittings are located on the inner diameter (di).

ht internal gear.JPGht external gear.JPG

Availability

HT Series bearings are made to order and can require a longer lead time as forgings are not stocked.

Applications

HT Series bearings have been used successfully in a variety of medium to heavy duty applications including:

❚ Cranes❚ Aerial lifts❚ Digger derricks❚ Chute swivels❚ Lift truck rotators❚ Industrial turntable

Specification

Specifications

Part Number

HT10-48N1Z

Maximum Allowable Gear Tooth Load (Fz)

20548lbs | 91.732KN

Moment Load Rating (Crm)

517900ft-lbs | 2312.054KN

Bearing Types

Slewing Ring Bearing

Outline Dimensions and Weight

Outside Diameter of Outer Ring (Do)

54" | 1371.6mm

Inside Diameter of Inner Ring (di)

42.16" | 1070.86mm

Internal Diameter on Outer Ring (Di)

-

External Diameter on Inner Ring (do)

-

Approximate Weight (lbs)

689lbs | 312.524KG

Mounting Holes

Bolt Circle in Outer Ring (Lo)

51.25" | 1301.75mm

Number Holes in Outer Ring (no)

36

Bolt Circle in Inner Ring (Li)

45.25" | 1149.35mm

Number Holes in Inner Ring (ni)

40

Gear Data

Pressure Angle of Gear Teeth (α)

20°

Pitch Diameter (D2)

42.8"

Diametral Pitch (Pd)

2.5

Number of Teeth (z2)

107