Rks. 161.14.0544 Lifting Cross Roller Swing Bearing Slew Bearing 640.3*474*56mm

Product Description

Rks.161.14.0544 Lifting Cross Roller Swing Bearing Slew Bearing 640.3*474*56mm
 

Product Description

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.
 

Technical Specifications
• Bearing Type: Single-row crossed roller bearing with integral external gear
• Gear Configuration: Spur gear with 20° pressure angle (standard)
• Load Capacity:

• Dynamic axial load: Up to 600 kN (size dependent)

• Moment stiffness: 15-30 kNm/mrad
  • Accuracy Class: ABEC 3/P4 standard
  • Gear Specifications:

• Module range: 4-12 mm

• Tooth hardness: 58-62 HRC (case hardened)

• Gear accuracy: DIN 6-7 standard

Design Features

1. Integrated Gear-Bearing System:

   • Monolithic construction with gear teeth machined on outer ring

   • Precision ground tooth profile for smooth power transmission

   • Eliminates alignment issues in gear meshing

2. Crossed Roller Arrangement:

   • Alternating 90° roller orientation

   • Precisely controlled roller spacing

   • Optimized contact geometry for load distribution

3. Advanced Surface Treatments:

   • Raceway superfinishing (Ra ≤ 0.05μm)

   • Optional gear tooth coatings (DLC, WS2 available)

   • Corrosion-resistant variants (Dacromet, Zn-Ni)

Performance Characteristics
• Rotational Accuracy: <0.03mm TIR (Total Indicator Reading)
• Friction Performance:

• Starting torque: 1-5 Nm (size dependent)

• Running friction coefficient: 0.001-0.002
  • Stiffness Properties:

• Axial stiffness: 800-2500 N/μm

• Radial stiffness: 500-2000 N/μm

Material Specifications
• Base Material: SAE 52100 equivalent steel
• Gear Tooth Material: Case-hardened bearing steel (58-62 HRC)
• Special Options:

• Stainless steel variants (440C)

• Custom material solutions

Configuration Options
• Sealing Solutions:

• Triple-lip contact seals (standard)

• Labyrinth seals (high-speed versions)
  • Lubrication Systems:

• Grease lubrication (standard)

• Oil circulation options

• Centralized lubrication provisions

Technical Benefits
• System Integration Advantages:

• 30% space reduction compared to separate bearing/gear assemblies

• Simplified mounting and alignment
  • Load Capacity Improvements:

• 40% higher moment capacity than standard designs

• Uniform load distribution across rollers
  • Maintenance Features:

• 50% fewer lubrication points

• Easy inspection access to gear teeth

Application Examples
• Heavy-duty industrial applications:

• Rotary transfer machines

• Large indexing tables
  • Precision equipment:

• Radar antenna drives

• Telescope positioning systems
  • Special applications:

• Offshore equipment positioning

Engineering Data Available
• Complete load rating tables
• Gear tooth strength calculations
• Fatigue life estimations
• Mounting surface specifications
 

Drawings&Parameters

Main dimensions                    Fixing holes								Gear teeth				Tooth force		Mass		Basic load rating				curves*
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	r	aceways r)	bolt (b)	Designation
mm	mm	mm	mm	mm		mm	mm		mm			kN	kN	Kg			kN	kN
5,033	414	344	455	M12	20	368	14	24	495	5	99	17	31	32	G		229	520	1r		1b	RKS.161.14.0414
6,403	544	474	585	M12	28	498	14	32	630	6	105	23	42	44	G		270	680	2r		2b	RKS.161.14.0544
7,423	644	574	685	M12	32	598	14	36	732	6	122	23	42	52	G		290	800	3r		3b	RKS.161.14.0644
8,381	744	674	785	M12	36	698	14	40	828	6	138	23	42	59	G		315	930	4r		4b	RKS.161.14.0744
9,501	844	774	885	M12	36	798	14	40	936	8	117	32	57	71	G		340	1050	5r		5b	RKS.161.14.0844
10,461	944	874	985	M12	40	898	14	44	1032	8	129	32	57	77	G		360	1170	6r		6b	RKS.161.14.0944
11,981	1094	1024	1135	M12	44	1048	14	48	1184	8	148	32	57	91	G		390	1360	7r		7b	RKS.161.14.1094
1338	1204	1119	1257	16	45	1151	16	45	1310	10	131	49	88	154	H		386	1836	8r		8b	RKS.161.16.1204
1448	1314	1229	1367	16	50	1261	16	50	1420	10	142	49	88	168	H		419	1995	9r		9b	RKS.161.16.1314
1558	1424	1339	1477	16	54	1371	16	54	1530	10	153	49	88	182	H		494	2352	10r		10b	RKS.161.16.1424
1668	1534	1449	1587	16	60	1481	16	60	1640	10	164	49	88	195	H		611	2912	11r		11b	RKS.161.16.1534
1791	1644	1536	1708	22	54	1580	22	54	1760	10	176	49	88	242	H		658	3133	12r		12b	RKS.161.16.1644
1901	1754	1646	1818	22	60	1690	22	60	1870	10	187	49	88	258	H		1049	3354	13r		13b	RKS.161.16.1754
20,734	1904	1796	1968	22	64	1840	22	64	2030	14	145	69	124	306	H		854	4066	14r		14b	RKS.161.20.1904

Related Slewing Bearing

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.

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

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 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.