Rks. 22 1091 Swivel Ring Gear for Crane Four Point Contact Ball Bearing

• Customization: Available
• Standard or Nonstandard: Standard
• Feature: High Speed, Cold-Resistant, Corrosion-Resistant, Heat-Resistant
• Model NO.: RKS. 22 1091
• 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
• Teeth: Internal Gear
• Transport Package: Plywood Package
• Specification: 1198*986*56mm
• Trademark: LYMC
• Origin: Luoyang
• HS Code: 8482109000
• Production Capacity: 3000PCS Per Year
• Package Size: 120.00cm * 120.00cm * 20.00cm
• Package Gross Weight: 85.000kg

Product Description

Hot Selling Bearing Factory Wholesales RKS.22 1091 Swivel Bearing Four Point Contact Ball Bearing 
 

Product Description

Introduction:
Our Four-Point Contact Ball Bearings with Internal Gear and Outer Flange are engineered for applications demanding a highly integrated and compact drive solution. This innovative design combines a high-capacity bearing, a precision internal gear, and an outer mounting flange into a single, robust unit. It is the ideal choice for creating space-efficient systems where the drive pinion can be nested within the bearing's diameter, leading to a streamlined and structurally rigid assembly.

Key Advantages:

• Highly Integrated Design: This single unit seamlessly merges three critical functions:

  • Load Support: The four-point contact ball design handles combined radial, axial, and moment loads.

  • Centralized Drive: The internal gear allows for a compact drive arrangement, with the pinion mounted inside the bearing bore.

  • Easy Mounting: The outer flange enables simple and secure bolting into a housing or framework, simplifying structural integration.

• Optimized Space Utilization & Stiffness: By housing the drive mechanism internally, this design minimizes the overall system footprint. The centralized drive configuration also contributes to enhanced system stiffness and torsional rigidity.

• High Load & Moment Capacity: The bearing effectively manages substantial loads from all directions in a single, compact package, ensuring reliable performance under complex load conditions.

• Streamlined Assembly Process: The integrated unit eliminates the need to align and assemble separate bearings, gears, and mounting components. This reduces assembly time, minimizes errors, and lowers total manufacturing costs.

• Improved Drive Protection: The internal gear is partially shielded within the bearing structure, offering better protection against contaminants and mechanical damage compared to exposed drive systems.

Primary Applications:

• Robotics: Ideal for the base and waist joints of robots, where a compact, high-torque drive is needed and the motor can be centrally located.

• Compact Rotary Tables: Perfect for CNC rotary tables, indexers, and slewing rings where a low-profile, integrated drive is essential for precision machining.

• Advanced Automation: Used in precision rotary stages, tool changers, and assembly robots requiring a rigid and space-saving rotational drive.

• Aerospace & Defense: Applied in radar pedestals, turret systems, and satellite communication antennas where a protected, compact, and high-stiffness drive solution is critical.

• Medical Imaging Equipment: Suitable for the rotating gantries of CT and MRI scanners, where precise, smooth, and compact rotation is paramount.

Main dimensions                   Fixing holes                     Gear teeth          Permissible Mass     Designation
										tangential
De	Di	Bi	Fe	Ne	Fi	Ni	m	Z	D	load maxi
mm	mm	mm	mm		mm				mm	Kn	kg
518	325	454	490	8	375	12	5	67	335	324	31	RKS.220411
648	445	584	620	10	505	16	6	76	456	403	41	RKS.220541
748	546	684	720	12	605	18	6	93	558	403	48	RKS.220641
848	649	784	820	12	705	20	6	110	660	403	55	RKS.220741
948	736	884	920	14	805	20	8	94	752	543	63	RKS.220841
1048	840	984	1020	16	905	22	8	107	856	543	71	RKS.220941
1198	986	134	1170	16	1055	24	8	125	1000	543	80	RKS.221091

 

 

Detailed Photos

 

 

Product Process

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.