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Home > Products > Crane accessories slewing bearing > RK250-3 RK250 -2 RK250-1 Crane swing gear slew bearing slewing ring
RK250-3 RK250 -2 RK250-1 Crane swing gear slew bearing slewing ring
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Product Description
1,Single row four point contact ball slewing bearing
2,Single row cross roller slewing bearing
3,Double-row ball slewing bearing
4,Three-row roller slewing bearing
5,Roller/Ball Combination Slewing bearing.
Type | Single row four point contact ball slewing bearing |
Rollng elements | Steel ball / Cylinder Roller |
Rollng elements Material | GCr5/GCr15SiMn/Customized |
Bearing Material | 50Mn/42CrMo/42CrMo4V /Customized |
Cage Material | Nylon/ steel /copper |
Structure | 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 |
Certificate | ABS.BV,DNV,ISO9001,GL |
Application area | Ladle turret,Stacker crane,Bucket wheel machine,Solar heliostat Tracking System,port crane, Cabling machine,tower crane , offshore platform,ferris wheel, Palletizing robot,Rotary metallurgical furnace,can packing machine,Wind blade transporter,shield tunneling machine,tube push bench,excavator |
Brand Name | HGB |
Place of Origin | Luoyang Henan |
Warranty | 12 months |
Payment term | T/T is our first choice |
Packing details | 1,Filling with anti-rust oil 2.Corved with Plastic paper 3.Corved with kraft paper 4.Corved with Blue tie 5.Put in wooden box |
Bearing Parts
Steel ball/Roller:carbon-chromium bearing steel GCr15SiMn or GCr15 for rolling Material
Cage: include integral cage, segment cage and spacer-type cage. 20# steel or copper for integral and segment cages, PA 1010 resin or QA110-3-105 albronze for spacer-type cages.
Seals:uses NBR or VITON, few felted wool.
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 be bear axial force, overturning moment and large radial force at the same time,and widely used in lifting transportation, construction machinery.
Three row roller slewing bearing
Three row roller 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 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 four point composed of two seat rings. has compact structure, light weight, and four-point contact between steel ball and arc raceway. It can bear axial force, radial force and overturning moment at the same time. The construction machinery of rotary conveyor, welding manipulator, small and medium-sized crane and excavator can be selected.
Wide production workshop and strong production team as a support,ensure the products can be produced by required quality and quantity. andThereby increase the customer benefits.
The above is our production equipment with advanced technology , the stable and longevity bearing produce from these equipment .
We specialize in the production of manufacturing slewing ring bearings or turntable Bearings.The Independent R&D and sales team in HGB , also do our best for special needs;We offer high-precision and high-quality slewing bearings, which are widly used in many fields,such as hoisting and conveying machinery, construction engineering machinery, harbour machinery, wind power generation, and so on.
1.Q: Are you trading company or manufacturer ?
A: We are professional slewing bearing manufacturer with 20 years' experience.
2.Q: How long is your delivery time?
A: Generally it is 4-5 days if the goods are in stock. or it is 45 days if the goods are not in
stock, Also it is according to quantity.
3.Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample, it is extra.
4.Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, balance before shipment.
5.Q: Can you provide special customization according to the working conditions?
A: Sure, we can design and produce the slewing bearings for different working conditions.
6.Q: How about your guarantee?
A: We provide lifelong after-sales technical service.
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