China OEM Double Row Ball Slewing Bearing Kud01440-030za15-900-000 Worm Gear for Ship Crane


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China OEM Double Row Ball Slewing Bearing KUD01440-030ZA15-900-000 Worm Gear for Ship Crane

This product is a standard double row ball slewing bearing with the following features:
– High Speed
– Cold-Resistant
– Corrosion-Resistant
– Heat-Resistant
– Sealed On Both Sides
– Single-Row Rolling-Element Number
– Straight Raceway Roller Type
– Material: 50mn/42CrMo

Customization is available for this product.

Product Description

China OEM Double Row Ball Slewing Bearing KUD01440-030ZA15-900-000 Worm Gear For Ship Crane. Four-point contact ball slewing turntable bearings consist of two ring seats. Compact structure, light weight, steel ball and arc track contact at four points, can bear axial force, radial force and overturning moment at the same time, has strong dynamic load.

Single row cross roller slewing bearing composed of two or three rings. Compact structure, light weight, high manufacturing accuracy, small assembly gap, and high requirement for installation accuracy. Rollers are 1:1 cross-arranged. Can bear axial force, overturning moment, and large radial force at the same time, and widely used in lifting transportation, construction machinery, and precision products.

Double row ball slewing bearings can support high static loads with simple structures. They are mainly used in situations with variation load position and direction and continuous rotation. Main applications of this kind of bearings are deck hoisting, mining, and material handling, etc.

Three-row roller slewing bearing able to bear all kinds of loads at the same time. It is the largest one of the four structural products with large axle and radial dimensions and firm structure. Especially suitable for heavy machinery requiring a larger diameter, such as bucket wheel stacker and reclaimer, wheel crane, marine crane, port crane, ladle turret, large tonnage truck crane, heavy machinery, and so on.

– Single row four-point contact ball slewing bearing
– Single row crossed cylindrical roller slewing bearings
– Double row ball slewing bearings
– Double row Roller/ball combination slewing bearing
– Three-Row Roller Slew Ring Bearing

Rolling elements:
– Steel ball / Cylinder Roller

Rolling elements Material:
– GCr5/GCr15SiMn/Customized

Bearing Material:
– 50Mn/42CrMo/42CrMo4V /Customized

Cage Material:
– Nylon/ steel /copper

– Taper pin
– Mounting holes
– Inner ring
– Grease fitting
– Load plug
– Seals
– Roller
– Spacer balls or separators

Outer diameter:
– 50-10000mm

Bore size:
– 50-10000mm

Mounting hole:
– Through hole/Tapped hole

Raceway hardness:
– 55-62HRC

Inner and outer ring modulation hardness:
– 229-269HB/Customized

Gear type:
– No gear
– Internal gear
– External gear.

Embellish grease:
– EP2 lithium lubricating grease