Products

Air Conditioner Bearing

Air Conditioner Bearings are components used in air conditioning systems to support the rotation of motors, fans, compressors, and related mechanical parts. They reduce friction between moving elements and help maintain stable rotational performance under continuous operating conditions.

These bearings are typically used in HVAC systems where long operating cycles, variable temperatures, and humidity changes are common. Depending on application requirements, materials such as chrome steel, stainless steel, or ceramic can be selected to match different environmental conditions.

Service Life

The service life of air conditioner bearings depends on operating conditions, load level, lubrication quality, and maintenance frequency. Under normal conditions with proper lubrication, typical service life ranges from 8 to 15 years. In environments with high humidity, poor ventilation, or overload conditions, service life may be significantly reduced.

Regular inspection and preventive maintenance are recommended to avoid unexpected system failure.

Failure Indicators

Common signs of bearing wear or damage in air conditioning systems include abnormal noise (such as humming, squeaking, or grinding), vibration, reduced cooling efficiency, motor overheating, or lubricant leakage near the bearing housing.

When these symptoms occur, the system should be inspected and damaged components replaced to avoid secondary damage to motors or compressors.

Production Workshop

The following video shows BMT bearing production workshop operations, including machining, assembly, and quality control processes.

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30BG05S5G Air Conditioner Bearing

30BG05S5G Air Conditioner Bearing

BMT Bearing manufactures and supplies high-performance 30BG05S5G Air Conditioner Bearings for automotive air conditioning compressor systems. Designed for high-speed rotation, low noise operation, and long service life, this bearing helps ensure stable compressor performance under demanding operating conditions. Produced under ISO 9001 and IATF 16949 certified quality management systems, each bearing undergoes strict inspection and testing to meet OEM-level quality requirements. With more than 20 years of manufacturing experience, BMT Bearing provides reliable supply solutions for compressor manufacturers, aftermarket distributors, and industrial customers worldwide.
Part number Reference code DIMENSIONS (mm)
d D B/C
83A693 30BG04S8G/30BD04S8G-2DS 30 47 18
83A693A 30 47 21/18
30BG04S8G 30 47 18
30BG04S13 30 47 22
101.007 30 52 20
30BGS10G 30BG05S2DS/30BD5222 30 52 22
30BG05S5G 30BD40T12DDUCG21/30BD40DF 30 55 23
30BGS1 30 62 27
32BG04S3G 32BG4718BU 32 47 18
32 52 23
32BG05S1 32 55 23
35BGS05S7G 35 50 20
35BD5220DF(101.011) 35 52 20
35BD5222DFX7(101.006) 35 52 22
35DG05S6G 35BG05S6G 35 52 23
35BD219DUK 35BD5020T12DDU / 35BG05S10G / DAC3555RD3H 35 55 20
35 62 21
35BD6224DV(101.008) 35 62 24
35BD210DDV 35 62 28
38BG05S2DS 38BG05S6G 38 54 17
40BGS40G 40BD5524 40 55 24
40BG05S1G 40BG05S1DS 40 57 20/24
40BD219V 40BD45 / DF0882LB / 40BG05S2G 40 57 24
40BD49V 40BGS8G-2DS/907257 40 62 20.6
40BGS12G-2DS 40 62 20.625/24
40BGS12DS 40 62 20.6/24
40BGS11DS 40BGS11G-2DS 40 62 24
40BGS39G 40 66 24
40BD6830DUK 40 68 30
DF0819 6557684
5908 40 62 24
5908 2RS
320-2001 32 52 18/20
336-2001 30 46 18/16
907257A 40 62 20.625
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