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Help Center260DBS205y External Gear Slewing Ring Bearing for Construction Machinery
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Specifications
260DBS205y External gear slewing ring bearing1.Gcr15 material
2.Support high loads
3.Suitable for heavy machinery
260DBS205y External gear slewing ring bearing for construction machinery
Design features of 260DBS205y External gear slewing ring bearing
The internal configuration is a deep-groove gothic arch raceway, which provides four points of contact with the balls, enabling the bearing to simultaneously carry 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. Integral face riding bearing seals are provided to assist in the exclusion of contaminants.
slewing rings are offered in nongeared, internally geared, and externally geared configurations for maximum design flexibility. The gears are Involute Stub designs with 20° pressure angles, manufactured to AGMA Class Q5 quality and .005 to .015 inches allowance for backlash. RK series turntable bearings range in size from 20–47 inches OD (500–1200 mm).
Availability of 260DBS205y External gear slewing ring bearing
slewing rings are generally available from stock, and mating pinions for the geared versions are also generally available.
Applicationsof 260DBS205y External gear slewing ring bearing
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
- Conveyors and related material handling equipment
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Rotating displays
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The slewing bearing drives in heavy machinery enable higher torque, speed reduction and rotational functions. Applications include solar trackers, digger derricks, truck cranes, wind turbines, utility equipment, hydraulic equipment attachments and tire handlers. Their range of applications make slewing ring bearings an integral part of particular industries, including aerospace, automotive, forestry, manufacturing, medical, military, nautical, power, robotics and surveillance.
Here's a look slewing bearings in a few different industries:
Slew Bearings for Truck Cranes
Cranes are uniquely constructed, which means the slewing ring bearing is an essential element of its design. Quality and precision during the manufacturing process are vital to make sure the crane will run after it's been dismantled and reassembled.Slew Ring Bearings for Medical Industry
Slewing rings in a medical environment need to be highly precise and expertly constructed when it comes to the rings and rolling elements. Slewing bearings must also have some type of sealing solution to prevent leakage in a sterile environment.Slew Bearings for Forestry Industry
The components of forestry equipment must be strong and durable. The rugged environments they operate in require a design and holding capacity that can withstand the elements. That means that theirslew bearings must be able to operate in conjunction with the high rotating speed of the de-barkers and in cold temperatures.
Number Helix
Angle βHelix
DirectionModulus mn Number
of TeethPressure
Angle αTooth Height
Coefficient ha*7" 5° right 3.15 73 20 1 9" 6° right 5/3.75 61 20 1 12" 6° right 5/3.75 78 20 1 14" 6° right 5/3.75 85 20 1 17" 6° right 5/3.75 102 20 1 21" 4.5° right 5/3.75 125 20 1 25" 5.75° right 5/3.75 150 20 1 Number Helix
Angle βWeight
(kg)Dimensions Axial Load Tilting
Moment7" 5° 7.7 98-236mm 133.2KN 13556N.m 9" 6° 16 145-314mm 337.44KN 33900N.m 12" 6° 21 229-400mm 475.08KN 54240N.m 14" 6° 25 265-435mm 555KN 67800N.m 17" 6° 45 324-520mm 976.81KN 135600N.m 21" 4.5° 87 432-634mm 1598.45KN 203400N.m 25" 5.75° 100 512-761mm 2360KN 271164N.m Product List:
1.four-point contact ball slewing bearing
2.three-row roller slewing ring
3.crossed cylindrical roller slewing ring
4. or ball thrust bearing
5.double-row ball slewing bearing
6.Taper roller bearings
7.spherical plain bearings
8.OEM Bearings
9.Made-to-order bearings
Model numbers of DBS type slewing ring bearings
Model Size YRT50 50 x 126 x 30 YRT260 260 x 385 x 55 RKS.060.20.0544 544 x 616 x 472 720DBS210Y 720 x 976 x 85 470DBS108y 470 x 640 x 50 RKS.160.14.0744 744 x 674 x 790 RKS.921150303001 233 x 403.5 x 55 RKS.160.16.1754 1646 x 1862 x 1754 RKS.162.14.0744 649.2 x 816 x 742 011.45.1250 1390 x 1110 x 110 -
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