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133

The internally toothed three-row roller slewing bearing is well-suited for a wide range of heavy machinery applications including bucket wheel excavators, wheeled cranes, marine cranes, port cranes, molten steel running tables, and large-tonnage truck cranes. This bearing type excels in handling significant axial and radial loads while providing precise rotational control, essential for equipment operating under demanding conditions. Its robust design and internal gearing enable efficient power transmission and reliable performance in industries where durability and operational efficiency are paramount.

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)

Диаметр наконечника (da)

Тип шестерни

NO.	Product Number	Внутренний диаметр (d)	Наружный диаметр (D)	Общая высота (H)	Глубина (L)	Диаметр наконечника (da)	Тип шестерни
1	133.25.500	366 mm	634 mm	148 mm	32 mm	337 mm	Internal Gear
2	133.25.560	426 mm	694 mm	148 mm	32 mm	397 mm	Internal Gear
3	133.25.630	496 mm	764 mm	148 mm	32 mm	458.4 mm	Internal Gear
4	133.25.710	576 mm	844 mm	148 mm	32 mm	536.4 mm	Internal Gear
5	133.32.800	636 mm	964 mm	182 mm	40 mm	595.2 mm	Internal Gear
6	133.32.900	736 mm	1064 mm	182 mm	40 mm	691.2 mm	Internal Gear
7	133.32.1000	836 mm	1164 mm	182 mm	40 mm	784 mm	Internal Gear
8	133.32.1120	956 mm	1284 mm	182 mm	40 mm	904 mm	Internal Gear
9	133.40.1250	1055 mm	1445 mm	220 mm	48 mm	988.8 mm	Internal Gear
10	133.40.1400	1205 mm	1595 mm	220 mm	48 mm	1144.8 mm	Internal Gear
11	133.40.1600	1405 mm	1795 mm	220 mm	48 mm	1335.6 mm	Internal Gear
12	133.40.1800	1605 mm	1995 mm	220 mm	48 mm	1531.6 mm	Internal Gear
13	133.45.2000	1779 mm	2221 mm	231 mm	60 mm	1702.4 mm	Internal Gear
14	133.45.2240	2019 mm	2461 mm	231 mm	60 mm	1926.4 mm	Internal Gear
15	133.45.2500	2279 mm	2721 mm	231 mm	60 mm	2185.2 mm	Internal Gear
16	133.45.2800	2579 mm	3021 mm	231 mm	60 mm	2491.2 mm	Internal Gear
17	133.50.3150	2868 mm	3432 mm	270 mm	84 mm	2768 mm	Internal Gear
18	133.50.3550	3268 mm	3832 mm	270 mm	84 mm	3168 mm	Internal Gear
19	133.50.4000	3718 mm	4282 mm	270 mm	84 mm	3616.8 mm	Internal Gear
20	133.50.4500	4218 mm	4782 mm	270 mm	84 mm	4122.8 mm	Internal Gear

Features and advantages of QIBR three-row cylindrical roller slewing bearing 133 series

QIBR three-row cylindrical roller slewing bearing 133 series has many significant features and advantages, mainly reflected in the following aspects:

1.QIBR three-row cylindrical roller slewing bearing 133 series has high load-bearing capacity

The design of QIBR three-row cylindrical roller slewing bearing 133 series allows the bearing to carry radial and axial loads in multiple directions at the same time, and is suitable for withstanding heavy loads and impact loads.

2. QIBR three-row cylindrical roller slewing bearing 133 series has good stability and long life.

QIBR three-row cylindrical roller slewing bearing 133 series uses three rows of rollers to bear the load. The bearing has higher working stability, improves the reliability of the equipment and extends the working life.

3.QIBR three-row cylindrical roller slewing bearing 133 series has efficient transmission capability

The design of internal teeth for QIBR three-row cylindrical roller slewing bearing 133 series allows direct connection with the gear drive system, thereby achieving efficient power transmission. This eliminates additional transmission components such as chains or belts, reducing mechanical wear and maintenance requirements.

4.The customized services of QIBR three-row cylindrical roller slewing bearing 133 series

QIBR three-row cylindrical roller slewing bearing 133 series can provide customized services and can design bearings according to specific needs to meet the special requirements and operating conditions of different industries.

The performance improvement and solution of QIBR three-row cylindrical roller slewing bearing 133 series

1. Improve material performance of the bearing

QIBR three-row cylindrical roller slewing bearing 133 series can adopt materials such as high-temperature resistant isolation blocks to improve the bearing capacity and service life of the bearing.

2. Improve rotation accuracy of the bearing

The production of QIBR three-row cylindrical roller slewing bearing 133 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 three-row cylindrical roller slewing bearing 133 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. Lubrication management

QIBR three-row cylindrical roller slewing bearing 133 series uses high-quality grease to improve temperature resistance and corrosion resistance, and ensure stability under different load and environmental conditions. Establish a lubrication plan. It is usually recommended to lubricate every 250 hours, and adjust the lubrication cycle appropriately according to the operating intensity.

In short, by optimizing materials, manufacturing accuracy, lubrication management and other measures, the performance of QIBR three-row cylindrical roller slewing bearing 133 series can be significantly improved to meet the increasingly demanding application requirements.

Main application areas of QIBR three-row cylindrical roller slewing bearings 133 series

Building and construction

QIBR three-row cylindrical roller slewing bearings 133 series is used in cranes, excavators and other construction equipment to provide stable rotation support.

Manufacturing

QIBR three-row cylindrical roller slewing bearings 133 series is used to support heavy loads and high-precision rotational motion in production lines and mechanical equipment.

Energy and mining

QIBR three-row cylindrical roller slewing bearings 133 series is used in wind turbines, solar tracking systems and mining machinery to withstand complex loads.

Transportation and logistics

QIBR three-row cylindrical roller slewing bearings 133 series is used in forklifts and handling equipment to ensure smooth operation and efficient load transfer.

Ladle turret

QIBR three-row cylindrical roller slewing bearings 133 series is used in ladle turret equipment to withstand huge radial, axial loads and overturning moments.