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020

The double row ball slewing bearing features two rows of steel balls with different diameters positioned on the top and bottom. This design optimizes load distribution and enhances the bearing's capacity to withstand axial, radial, and moment loads from various directions. The use of two different ball diameters allows for efficient load sharing and improved stability, ensuring smooth and reliable operation in heavy-duty applications such as cranes, excavators, and industrial machinery. This configuration not only enhances the bearing's performance but also contributes to its longevity and durability under challenging operating 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 (d)

Наружный диаметр (D)

Общая высота (H)

Глубина (L)

Тип шестерни

NO.	Product Number	Внутренний диаметр (d)	Наружный диаметр (D)	Общая высота (H)	Глубина (L)	Тип шестерни
1	020.25.500	384 mm	616 mm	106 mm	32 mm	No Gear
2	020.25.560	444 mm	676 mm	106 mm	32 mm	No Gear
3	020.25.630	514 mm	746 mm	106 mm	32 mm	No Gear
4	020.25.710	594 mm	826 mm	106 mm	32 mm	No Gear
5	020.30.800	658 mm	942 mm	124 mm	40 mm	No Gear
6	020.30.900	758 mm	1042 mm	124 mm	40 mm	No Gear
7	020.30.1000	858 mm	1142 mm	124 mm	40 mm	No Gear
8	020.30.1120	978 mm	1262 mm	124 mm	40 mm	No Gear
9	020.40.1250	1074 mm	1426 mm	160 mm	48 mm	No Gear
10	020.40.1400	1224 mm	1576 mm	160 mm	48 mm	No Gear
11	020.40.1600	1424 mm	1776 mm	160 mm	48 mm	No Gear
12	020.40.1800	1624 mm	1976 mm	160 mm	48 mm	No Gear
13	020.50.2000	1785 mm	2215 mm	190 mm	60 mm	No Gear
14	020.50.2240	2025 mm	2455 mm	190 mm	60 mm	No Gear
15	020.50.2500	2285 mm	2715 mm	190 mm	60 mm	No Gear
16	020.50.2800	2585 mm	3015 mm	190 mm	60 mm	No Gear
17	020.60.3150	2872 mm	3428 mm	226 mm	84 mm	No Gear
18	020.60.3550	3272 mm	3828 mm	226 mm	84 mm	No Gear
19	020.60.4000	3722 mm	4278 mm	226 mm	84 mm	No Gear
20	020.60.4500	4222 mm	4778 mm	226 mm	84 mm	No Gear

Features and advantages of QIBR double-row different-diameter ball slewing bearing 020 series

QIBR double-row different-diameter ball slewing bearing 020 series has many significant features and advantages, playing a key role in various fields, mainly reflected in the following aspects:

1.The compact structure of QIBR double-row different-diameter ball slewing bearing 020 series

The design of the different-diameter ball of QIBR double-row different-diameter ball slewing bearing 020 series makes the bearing structure more compact, saves space, and is suitable for occasions with limited installation space.

2. QIBR double-row different-diameter ball slewing bearing 020 series has good stability and long life

The configuration of the double-row ball of QIBR double-row different-diameter ball slewing bearing 020 series improves the stability of the bearing, reduces system vibration and noise, and improves the smoothness and reliability of operation. The optimized contact angle and load distribution can reduce internal wear of the bearing, thereby extend the service life of the bearing.

3. Customized service of QIBR double-row different-diameter ball slewing bearing 020 series

QIBR double-row different-diameter ball slewing bearing 020 series can provide customized services, and can design bearings according to specific needs to meet the special requirements and usage conditions of different industries.

The performance improvement and solution of QIBR double-row different-diameter ball slewing bearing 020 series

1. Improve material performance of the bearing

QIBR double-row different-diameter ball slewing bearing 020 series can adopt high-temperature sealing strips and other materials to improve the bearing's bearing capacity and service life.

2. Improve rotation accuracy of the bearing

The production of QIBR double-row different-diameter ball slewing bearing 020 series adopts advanced processing equipment and processes, such as machining centers and precision heat treatment, to improve the geometric accuracy of the inner and outer rings, reduce machining errors, and thus improve the bearing's rotation accuracy and stability.

3. Reduce the need for bearing maintenance and replacement

QIBR double-row different-diameter ball slewing bearing 020 series is designed with seals and lubricating oil holes. The seals can prevent contaminants from entering the bearing and reduce grease leakage; the lubricating holes are convenient for grease filling, which prolongs the service life and reduces the cost of maintenance and replacement.

4. Personalized design

For different occasions, QIBR double-row different-diameter ball slewing bearing 020 series can provide personalized size solutions to meet special applications. This not only enriches the standards of bearings, but also provides effective guidance for manufacturers to meet the personalized needs of users.

In summary, by optimizing materials, manufacturing precision, personalized design and other measures, the performance of QIBR double-row different-diameter ball slewing bearing 020 series can be significantly improved to meet increasingly demanding application requirements.'

Main application areas of QIBR double-row different-diameter ball slewing bearing 020 series

Machine tool industry

QIBR double-row different-diameter ball slewing bearing 020 series is used for machining centers, CNC machine tools, etc., to withstand high loads and high precision requirements.

Construction machinery

QIBR double-row different-diameter ball slewing bearing 020 series provides stable rotation support for excavators, cranes and bulldozers.

Wind power generation

QIBR double-row different-diameter ball slewing bearing 020 series is used for the rotating part of the blade to withstand strong wind loads.

Construction equipment

QIBR double-row different-diameter ball slewing bearing 020 series is used for tower cranes, elevators, etc. to ensure the smooth operation and efficient operation of the equipment.