Rks. 062.20.0414 Four Point Contact Ball Inner Gear Slewing Bearing Dia 486*325*56mm

Product Description

RKS.062.20.0414 four point contact ball Inner gear slewing bearing dia 486*325*56mm

Product Description

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.

• Four-Point Contact Design:

  • Supports combined radial, axial, and moment loads simultaneously

  • Optimized load distribution across four contact points

  • 30-40% higher axial load capacity vs. standard bearings
     

• Precision Internal Gear Ring:

  • DIN 6-7 grade gear accuracy

  • Hardened and ground tooth profiles (HRC 58-62)

  • Minimal backlash (<0.05mm) for precise motion control
     

• Advanced Material Technology:

  • 100Cr6 bearing steel with through-hardening (HRC 60±2)

  • Optional corrosion-resistant coatings (Zn-Ni, Dacromet)

  • Custom material solutions available

Performance Advantages

 

1. Space Optimization:

   • Integrated gear-bearing design reduces 30% installation space

   • Eliminates need for separate gear components
      

2. Enhanced Durability:

   • L10 life rating exceeds 50,000 hours under normal loads

   • Special raceway grinding improves fatigue resistance
      

3. Operational Efficiency:

   • Friction coefficient <0.0025 (oil lubrication)

   • Preload-adjustable versions available

   • Low noise operation (<65 dB at 100 RPM)
      

Technical Specifications

Parameter	Specification Range
Bore Diameter	150mm - 3500mm
Gear Module	2 - 12mm
Radial Clearance	C0, C2, C3 (standard)
Operating Temp	-30°C to +150°C
Max Speed	200 RPM (standard)

Configuration Options

• Sealing Solutions:

  • Labyrinth seals

  • Contact seals

  • Custom sealing arrangements
     

• Lubrication Systems:

  • Grease lubrication (standard)

  • Oil circulation systems

  • Centralized lubrication ports
     

Industrial Applications

• Heavy machinery: Rotary furnaces, ladle turrets

• Energy systems: Wind turbine pitch bearings

• Material handling: Slewing cranes, stackers

• Precision equipment: Radar platforms, telescope mounts
   

Technical Documentation Available:

• Load rating tables

• Stiffness matrices

• Mounting procedure guidelines

• Lubrication recommendations
   

  Drawings&Parameters

  

  Main dimensions				Fixing holes					Gear teeth			Tooth force		Mass		Basic load rating  curves*				Designation
  De	Dm	Di	Fe	he	Ne	Fi	hi	Ni	D	m	Z	Norm. Tooth	Max .   Tooth   force		Fig  N°	axial dyn.C	axial stat.Co	raceways ( r)	bolt (b)
  mm	mm	mm	mm	mm		mm	mm		mm			kN	kN	Kg		kN	kN
  5,033	414	342	455	M12	20	368	14	24	495	5	99	17	31	31	A	169	560	1r	1b	RKS.061.20.0414
  6,403	544	472	585	M12	28	498	14	32	630	6	105	23	42	43	A	188	740	2r	2b	RKS.061.20.0544
  7,423	644	572	685	M12	32	598	14	36	732	6	122	23	42	52	A	200	880	3r	3b	RKS.061.20.0644
  8,381	744	672	785	M12	36	698	14	40	828	6	138	23	42	59	A	211	1010	4r	4b	RKS.061.20.0744
  9,501	844	772	885	M12	36	798	14	40	936	8	117	32	57	71	A	222	1150	5r	5b	RKS.061.20.0844
  10,461	944	872	985	M12	40	898	14	44	1032	8	129	32	57	77	A	231	1280	6r	6b	RKS.061.20.0944
  11,981	1094	1022	1135	M12	44	1048	14	48	1184	8	148	32	57	91	A	244	1490	7r	7b	RKS.061.20.1094
  1338	1204	1119	1257	16	45	1151	16	45	1310	10	131	49	88	135	B	371	1943	8r	8b	RKS.061.25.1204
  1448	1314	1229	1367	16	50	1261	16	50	1420	10	142	49	88	147	B	383	2124	9r	9b	RKS.061.25.1314
  1558	1424	1339	1477	16	54	1371	16	54	1530	10	153	49	88	159	B	395	2304	10r	10b	RKS.061.25.1424
  1668	1534	1449	1587	16	60	1481	16	60	1640	10	164	49	88	171	B	406	2485	11r	11b	RKS.061.25.1534
  1791	1644	1536	1708	22	54	1580	22	54	1760	10	176	49	88	211	B	416	2666	12r	12b	RKS.061.25.1644
  1901	1754	1646	1818	22	60	1690	22	60	1870	10	187	49	88	225	B	424	2847	13r	13b	RKS.061.25.1754
  20,734	1904	1796	1968	22	64	1840	2	64	2030	14	145	69	124	270	B	571	4048	14r	14b	RKS.061.30.1904

• 

Related Slewing Bearing

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 and precesion products.

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

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.
 

Type	• 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
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,3.1,3.2
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	LYMC
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

Detailed Photos

Product Process

Packaging & Shipping

Application:

- Excavators - Drilling rigs - Mining Equipments - Cranes   -Offshore Equipments  - Vehicles  - Machine Tools  - Wind Turbines

Company Profile

About Us:
 

Luoyang MC Bearing Technology Co.,Ltd (LYMC),who is manufacture located in bearing zone, focus on Slewing bearing, cross roller bearing and pinion,Dia from 50mm-8000mm, Our team with technical and full experience in the bearing industry.
Professional in researching, developing, producing & marketing high precision bearings for 16 years;
Many series bearings are on stock; Factory directly provide, most competitive price;
Advanced CNC equipment, guarantee product accuracy & stability;
One stop purchasing, product include cross roller bearing, rotary table bearing, robotic bearing, slewing bearing, angular contact ball bearing, large and extra large custom made bearing, diameter from 50~9000mm;
Excellent pre-sale & after sale service. We can go to customers' project site if needed.
Professional technical & exporting team ensure excellent product design, quotation, delivering, documentation & custom clearance.

 

Our Advantages

Our Service:

FAQ:
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.