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SDQ-816 Four Point Contact Ball Slewing Bearing for Medical Equipment or Other Turntable

SDQ-816 Four Point Contact Ball Slewing Bearing for Medical Equipment or Other Turntable photo-1
SDQ-816 Four Point Contact Ball Slewing Bearing for Medical Equipment or Other Turntable photo-2
SDQ-816 Four Point Contact Ball Slewing Bearing for Medical Equipment or Other Turntable photo-3
SDQ-816 Four Point Contact Ball Slewing Bearing for Medical Equipment or Other Turntable photo-4
US$ 1 - 999 MOQ: 1 Piece
Key Specifications
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Brand Name:
Jiayu
Place of Origin:
China
Model Number:
SDQ816
Payment & Shipping
Payment Methods:
Port of Shipment:
Shanghai
Delivery Detail:
Delivery time depends on order quantity.
Brand Name Jiayu
Place of Origin China
Model Number SDQ816
Feature Four Point Contact
Seals Type both sides
Outside Diameter 816,
Bore Size 670,
Gear Options External Gear Only

Design feature

The internal configuration is a deep-groove gothic arch raceway, which provides four points of contact with the balls, enabling the bearing to simultaneously hold radial, axial, and moment loads. The use of spacer balls alternated with load balls allows for lower rotational torque and superior performance in applications involving oscillatory movement.

Four point contact slewing bearings are offered in form of with external gear.The gears are involute stub designs with 20° pressure angles, manufactured to AGMA Class Q5 quality and 0.005 to 0.015 inches allowance for backlash.Four point contact ball slewing bearings are manufanctured from 200–1200 mm OD.

Basic Parameters

Axial clearance:0.06~0.16

Basic radial dynamic load ratingCr=101KN

Basic radial static load rating:Cor=742KN

Outer Diameter:816mm

Inner Diameter:670mm

Height:42mm

Rotary centering diameter:735mm

Module:m=3

Teeth number:z=270

Pressure angle20°

Trans-number of teethK=31

Variation coefficientX=0

Common normal length281.465

Quality Control

Bearing forgings are quenched and tempered in order to achieve the specified hardness.The hardness is up to 220~269HB while tooth form hardness is the same.

To avoid flaws, all forgings are inspected by the means of ultrasonic examination.

During processing, every step are checked and recorded in detail.

The inner and outer rings are phosphate treatment so that it is corrosion-resistance.

Package and shipment

Cases and pallets for slewing bearing is suitable for long distance.

Applications

Four point contact ball slewing ring bearing solutions have been used successfully in a variety of light- to medium-duty applications including:

Small cranes, booms, and lifts

Industrial positioners and rotary tables

Chute swivels

Stretch wrapping machines

Bottle filling machines


Product Tags: Slewing bearing , Slewing ring , precision slewing bearing , four point contact ball bearing , high precision bearing , ball bearing

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