INA Slewing Ring Bearing - Slewing Bearing Supplier Industry Co., Ltd

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Our Manufacturer with main products: INA Slewing Ring Bearing, SKF Turntable Series Slewing Bearing, IKO Crossed Roller Bearing

INA Slewing Ring Bearing FAQS

QWhat is about the INA Slewing Bearing design solution?

AThe bearing arrangements of the carousel and containers are based on a four point contact bearing of series VLU 20. The slewing ring is designed such that the three bearing positions in the machine can be fitted with the same bearing. The bearing arrangement: ■ allows the required centre clearance ■ allows high circumferential speeds (3,5 m/s) ■ is easy to fit and cost-effective. The bearings can support axial, radial and tilting moment loads and the bearings on the containers can also support the resulting centrifugal forces. The maximum operating temperature is +140 °C. The particular features of the bearings are: ■ ground raceways ■ guidance of the rolling elements by a brass strip cage ■ optimised surface quality in the bearing gap ■ lubrication with lithium complex grease ■ FPM seals resistant to high temperatures.

QWhat is Slewing Bearing?

ASlewing rings are also known worldwide as premium products in the field of rolling bearing technology. These machine elements have proved themselves many times over; they have high load carrying capacity, a versatile range of applications and are highly cost-effective. Due to their design, a single bearing can reliably support radial, axial and tilting moment loads. It is therefore possible in many cases to replace bearing arrangements comprising a combination of radial and axial bearings by a single bearing. This reduces, in some cases considerably, the costs and work required in the design of the adjacent construction and the fitting of bearings. Slewing rings are sealed on both sides, lubricated with a high quality grease, can be relubricated via lubrication nipples and are particularly easy to fit. The bearing rings are supplied without gear teeth or, in order to achieve simple drive solutions, are available with external or internal gear teeth.

QHow to design slewing bearing?

AFour point contact bearings These slewing rings without preload are robust and proven under very demanding operation; they place only slight demands on the flatness and perpendicularity of the adjacent construction . – they are suitable for applications with low requirements for accuracy and rigidity of the bearing arrangement, for example in simple metalworking machines, wind power equipment and construction machinery ■ crossed roller bearings – these preloaded slewing rings can support higher loads than four point contact bearings. They have proved themselves particularly where bearings are subjected to high radial forces and moderate axial and tilting moment loads – they are suitable for applications with uniform running free from stick-slip, low rotational resistance and high requirements for axial and radial runout accuracy and rigidity, for example in robots, handling systems and machine tools.

QWhat is about slewing bearing material?

AUnder normal circumstances, the turntable bearing sleeve is selected as 50Mn, but sometimes 42CrMo is used to meet the needs of the host in special applications. Scrolls generally use GCr 15SiMn. The type of holder has different structural types such as integral, segmented, and isolated blocks. The integral or segmented retaining device adopts 20 # steel or ZL102 cast aluminum alloy. The isolation block holder uses polyamide 1010 resin, ZL102 cast aluminum alloy or QA110-3-1 .5 aluminum bronze. Sealed material: oil-resistant rubber, fluorinated rubber, oil-resistant butyryl rubber. The structural forms of turntable bearings are commonly used in single row and double row four-point contact ball turntable bearings, double row angle contact push ball turntable bearings, cross cylindrical rollers and cross conical roller turntable bearings, three rows of cylindrical roller turntable bearings, ball columns. Mixed turntable bearings and other different structural forms. The above types of bearings are divided into different structures such as toothless, outer, and inner teeth according to whether they have teeth or not.

INA Slewing Ring Bearing: Circular scraper clarifier central dirve slewing ring bearings VLU200744; VLI200544-N Four point contact bearing (Internal gear teeth); VLA200744-N Flanged Four point contact bearing

SKF Turntable Series Slewing Bearing: RKS.222605101001 slewing bearing external gear teeth SKF; RKS.062.20.0644 slew ring bearing SKF turntable bearing; RKS.062.20.0744 slewing ring bearing

IKO Crossed Roller Bearing: CRBH12025 A Crossed Roller Bearing; CRBH3010AUUC1 Bearing; CRBH 258 A crossed roller bearing

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