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DBS Internal Gear

The inner ring with toothed steps and a four-point contact structure is specifically designed for use in small and medium-sized cranes. This configuration ensures efficient load distribution and precise positioning, crucial for the reliable operation of crane machinery. The toothed steps on the inner ring facilitate smooth engagement and torque transmission, allowing for controlled movement and stability during crane operations.The four-point contact structure enhances the bearing's ability to withstand axial and radial loads simultaneously, optimizing performance in dynamic and heavy-duty applications. This design is tailored to meet the operational demands of crane systems, providing robustness and durability under varying load conditions.

Стандарт

GB,ASTM/AISI,ГОСТ,BS,JIS,NF,DIN/VDEh,DIN/VDEh

Внутренний диаметр

120mm-8000mm

Наружный диаметр

280mm-8000mm

Вес

20kg-8000kg

Structures

Outer Ring, Inner Ring, Spacer, Rolling element, Seal

Бренд

QIBR/OEM/Neutral

Упаковка

Standard Export Package

Материал

42CrMo, 50Mn, or Stainless Steel

Применения

Hoisting machinery, construction machinery, material handling machinery, mining machinery, metallurgical machinery, medical instruments,ships and warships, radar,wind turbine

QIBR Model Selection

Filters

Внутренний диаметр (Di)

Наружный Диаметр (Da)

Общая высота (H)

Вес

Тип шестерни

NO.	Product Number	Внутренний диаметр (Di)	Наружный Диаметр (Da)	Общая высота (H)	Вес	Тип шестерни
1	470DBS108y	470 mm	640 mm	50 mm	40 kg	Internal Gear
2	470DBS113y	470 mm	645 mm	55 mm	46 kg	Internal Gear
3	428DBS141t	428 mm	660 mm	70 mm	79 kg	Internal Gear
4	504DBS102y	504 mm	720 mm	80 mm	93 kg	Internal Gear
5	496DBS142t	496.4 mm	730 mm	79.5 mm	100 kg	Internal Gear
6	601DBS146y	601 mm	805 mm	63 mm	78 kg	Internal Gear
7	546DBS146y	546 mm	808 mm	83 mm	129 kg	Internal Gear
8	585DBS102y	585 mm	810 mm	85 mm	107 kg	Internal Gear
9	594DBS143y	594 mm	815 mm	83 mm	105 kg	Internal Gear
10	682DBS102y	682 mm	950 mm	92 mm	179 kg	Internal Gear
11	784DBS102y	784 mm	973 mm	82 mm	104 kg	Internal Gear
12	792DBS101y	792 mm	1055 mm	115 mm	243 kg	Internal Gear
13	872DBS118y	872 mm	1093 mm	90 mm	159 kg	Internal Gear
14	882DBS103y	882 mm	1106 mm	70 mm	130 kg	Internal Gear
15	874DBS102y	874 mm	1110 mm	95 mm	201 kg	Internal Gear
16	872DBS147y	872 mm	1112 mm	75 mm	158 kg	Internal Gear
17	960DBS145y	960 mm	1163 mm	94 mm	150 kg	Internal Gear
18	922DBS108y	922 mm	1188 mm	83 mm	207 kg	Internal Gear
19	963DBS106y	963 mm	1195 mm	8 mm	186 kg	Internal Gear
20	1014DB1S101y	1014 mm	1300 mm	100 mm	300 kg	Internal Gear
21	1080DBS113y	1080 mm	1300 mm	110 mm	240 kg	Internal Gear
22	1083DBS104y	1083 mm	1302 mm	104.5 mm	240 kg	Internal Gear
23	1083DBS101y	1083 mm	1327 mm	110 mm	260 kg	Internal Gear
24	1092DBS101y	1092 mm	1358 mm	125 mm	325 kg	Internal Gear
25	1078DBS101y	1078 mm	1377 mm	130 mm	385 kg	Internal Gear
26	1074DBS101y	1074 mm	1400 mm	96 mm	360 kg	Internal Gear
27	1080DBS149y	1080 mm	1400 mm	110 mm	395 kg	Internal Gear
28	1130DBS146y	1130 mm	1400 mm	95 mm	290 kg	Internal Gear
29	1190DBS102y	1190 mm	1464 mm	135 mm	372 kg	Internal Gear
30	1157DBS101y	1157 mm	1505 mm	130 mm	582 kg	Internal Gear
31	1235DBS102y	1235 mm	1526 mm	122 mm	410 kg	Internal Gear
32	1260DBS101y	1260 mm	1546 mm	145 mm	457 kg	Internal Gear
33	1235DBS152y	1235 mm	1550 mm	147 mm	545 kg	Internal Gear
34	1200DBS141t	1200 mm	1550 mm	120 mm	515 kg	Internal Gear
35	1248DBS104y	1248 mm	1610 mm	124 mm	570 kg	Internal Gear
36	1214DBS110t	1214 mm	1645 mm	175 mm	1015 kg	Internal Gear
37	1429DBS142t	1429.6 mm	1750 mm	120 mm	530 kg	Internal Gear
38	2006DBS101t	2006 mm	2485 mm	150 mm	1390 kg	Internal Gear
39	2310DBS102t	2310 mm	2790 mm	190 mm	1930 kg	Internal Gear
40	2693DBS101t	2693 mm	3280 mm	185 mm	2830 kg	Internal Gear

Features and advantages of QIBR four-point contact ball slewing bearing DBS Internal Gear Series:

The Internal Gear series has several prominent features and advantages, playing a critical role in various fields, mainly reflected in the following aspects:

1. High Transmission Efficiency

The internal gear design of the QIBR turntable bearing DBS Internal Gear series provides a connection to the external drive system, enabling the turntable bearing to achieve rotational motion through gear transmission. The internal gear ring meshes with the external gear or motor gear, helping to drive the rotation bearing, making it suitable for applications requiring precise positioning and control.

2. Good Stability and Long Service Life

Due to the uniform distribution of Gear series has higher operational stability, reducing system vibration and noise, and improving the smoothness and reliability of operations. Optimized contact angles and load distribution can reduce internal wear of the bearing, thus extending its service life.

3. Customization Services

The Q Gear series can provide customization services, designing bearings according to specific needs to meet the special requirements and operating conditions of different industries.

Performance enhancement and solutions of QIBR four-point contact ball slewing bearing DBS Internal Gear series:

Improving Material Performance of bearing

Special cage materials and other materials can be used in the Q Gear series to improve the bearing's load-bearing capacity and service life.

Enhancing Rotational Precision

The production of the Internal Gear series employs advanced processing equipment and techniques, such as machining centers and precision heat treatment, to improve the geometric accuracy of the inner and outer rings, reduce processing errors, and thereby enhance the rotational precision and stability of the bearing.

Reducing Maintenance and Replacement Requirements

The Q Gear series is designed with seals and lubrication holes. Seals prevent contaminants from entering the bearing interior and reduce lubricant leakage; lubrication holes facilitate grease injection, extending the service life and reducing maintenance and replacement costs.

Personalized Design

Custom size solutions can be provided for the Internal Gear series to meet special applications, enriching the bearing standards and offering effective guidance to manufacturers to satisfy user-specific needs.

In summary, through measures such as optimizing materials, manufacturing precision, and personalized design, the performance series can be significantly improved to meet increasingly stringent application demands.

Main application areas of QIBR four-point contact ball slewing bearing DBS Internal Gear series

Lifting Equipment

The QIBR can simultaneously bear large radial loads, axial loads, and overturning moments, used in the rotating parts of cranes to help achieve smooth lifting and rotating operations.

Wind Power Generation

is used in the rotary connection between the tower and nacelle of wind turbines, helping to achieve smooth rotation of the nacelle to align with the wind direction.

Radar System

QIBR four-point contact ball slewing bearing DBS Internal Gear series is used in the rotating part of the radar antenna to ensure accurate monitoring and tracking

Large Exhibitions and Display Installations

QIBR four-point contact ball slewing bearings DBS Internal Gear series is used for display platforms and rotating structures, providing smooth rotation and support capabilities.