Outside Diameter 714mm with Low Vibration Tower Crane Roller Slewing Bearing Rks. 162.14.0644

• Customization: Available
• Standard or Nonstandard: Standard
• Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
• Model NO.: RKS. 162.14.0644
• Sealing Gland: Sealed On Both Sides
• Rolling-Element Number: Single-Row
• Roller Type: Straight Raceway
• Material: 50mn/42CrMo
• Type: Internal Gear
• Advantage: Low Noise, Low Vibration,High Precesion
• Seals Type: as Requirement NBR
• MOQ: 1 Set
• Application: Mining, Petroleum, Automatic,Excavator,Crane,
• Certificate: 3.1,3.2,ABS,BV,CCS,Nk
• Delivery Time: 3-40days
• OEM&ODM: Yes
• Precision: P0,P6,P5,P4,P3,P2
• Rolling Element: Gcr5
• Operating Tempereature: -40-+150
• Raceway Hardness: 55~62HRC
• M: 6
• Z: 93
• Weight: 50kg
• Transport Package: Plywood Package
• Specification: RKS. 162.14.0644
• Trademark: LYMC
• Origin: Luoyang
• HS Code: 8482109000
• Production Capacity: 3000PCS Per Year
• Package Size: 76.00cm * 76.00cm * 16.00cm
• Package Gross Weight: 60.000kg

Product Description

Outside Diameter 714mm slewing bearing with low vibration tower crane roller slewing bearing RKS.162.14.0644
 

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.

Main dimensions				Fixing holes					Gear teeth			Tooth force		Mass	Fig  N°	Basic load rating		curves*		Designation
De	Dm	Di	Fe	he	Ne	Fi	hi	Ni	D	m	Z	Norm. Tooth force	Max.    Tooth			axial dyn.C	axial stat.Co	raceways (r)	bolt (b)
mm	mm	mm	mm	mm		mm	mm		mm			kN	kN	Kg		kN	kN
484	414	325	460	14	24	375	M12	24	335	5	67	18	34	31		229	520	1r	1b	RKS.162.14.0414
614	544	444	590	14	32	505	M12	32	456	6	76	25	45	43		270	680	2r	2b	RKS.162.14.0544
714	644	546	690	14	36	605	M12	36	558	6	93	25	45	50		290	800	3r	3b	RKS.162.14.0644
814	744	648	790	14	40	705	M12	40	660	6	110	25	45	58		315	930	4r	4b	RKS.162.14.0744
914	844	736	890	14	40	805	M12	40	752	8	94	33	60	69		340	1050	5r	5b	RKS.162.14.0844
1014	944	840	990	14	44	905	M12	44	856	8	107	33	60	76	I	360	1170	6r	6b	RKS.162.14.0944
1164	1094	984	1140	14	48	1055	M12	48	1000	8	125	33	60	91	I	390	1360	7r	7b	RKS.162.14.1094
1289	1204	1072	1257	16	45	1151	16	45	1080	10	108	59	106	148	J	386	1836	8r	8b	RKS.162.16.1204
1399	1314	1182	1367	16	50	1261	16	50	1190	10	119	59	106	161	J	419	1995	9r	9b	RKS.162.16.1314
1509	1424	1292	1477	16	54	1371	16	54	1300	10	130	59	106	175	J	494	2352	10r	10b	RKS.162.16.1424
1619	1534	1402	1587	16	60	1481	16	60	1410	10	141	59	106	189	J	611	2912	11r	11b	RKS.162.16.1534
1752	1644	1495	1708	22	54	1580	22	54	1500	10	150	59	106	239	J	658	3133	12r	12b	RKS.162.16.1644
1862	1754	1605	1818	22	60	1690	22	60	1610	10	161	59	106	256	J	1049	3354	13r	13b	RKS.162.16.1754
2012	1904	1729	1968	22	64	1840	22	64	1736	14	124	82	147	304	J	854	4066	14r	14b	RKS.162.20.1904

 

Technical Specifications
• Bearing Type: Single-row crossed roller bearing with precision internal gear
• Gear Configuration:

• Internal spur gear with 20° pressure angle (standard)

• Module range: 3-10mm

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

• Dynamic axial load: Up to 550 kN (size dependent)

• Moment stiffness: 12-25 kNm/mrad
  • Accuracy Class: ABEC 3/P4 standard (higher grades available)

Design Features

1. Integrated Gear-Bearing System:

   • Monolithic construction with internal gear teeth

   • Precision ground tooth profile (DIN 6-7 accuracy)

   • Optimized tooth root geometry for strength

2. Crossed Roller Design:

   • Alternating 90° roller arrangement

   • Precisely controlled roller spacing (±0.01mm)

   • Special crowning profile to reduce edge stresses

3. Advanced Surface Engineering:

   • Raceway superfinishing (Ra ≤ 0.05μm)

   • Optional gear tooth coatings (DLC, WS2)

   • Corrosion-resistant treatments available

Performance Characteristics
• Rotational Accuracy: <0.025mm TIR
• Friction Performance:

• Starting torque: 0.8-4 Nm

• Running friction coefficient: 0.0012-0.0025
  • Stiffness Properties:

• Axial stiffness: 700-2200 N/μm

• Radial stiffness: 450-1800 N/μm

Material Specifications
• Base Material: High-carbon chromium steel (100Cr6)
• Gear Material: Case-hardened bearing steel (58-62 HRC)
• Special Options:

• Stainless steel variants

• Custom material solutions

Configuration Options
• Sealing Solutions:

• Labyrinth seals (standard)

• Triple-lip contact seals
  • Lubrication Systems:

• Grease lubrication (standard)

• Oil circulation options

• Centralized lubrication provisions

Technical Advantages

1. Space Efficiency:

   • 35% more compact than separate bearing/gear assemblies

   • Reduced system weight and complexity

2. Load Handling:

   • Simultaneous support for radial, axial and moment loads

   • 45% higher moment capacity than standard designs

3. Precision Performance:

   • Minimal backlash (<0.03mm)

   • Repeatable positioning accuracy

Application Examples
• Precision rotary tables
• Industrial robot joints
• Medical imaging equipment
• Telescope mounting systems
• Radar positioning devices

Engineering Support
Available technical documentation includes:
• Complete load rating tables
• Gear tooth strength calculations
• Mounting surface specifications
• Lubrication recommendations

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.

 

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.

After Sales Service

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.