Q1: What types of bearings do your company mainly produce?

A: We specialize in manufacturing a full range of high-quality bearings, mainly including: deep groove ball bearings, self-aligning ball bearings, cylindrical roller bearings, spherical roller bearings, tapered roller bearings, thrust ball bearings, thrust roller bearings, as well as various non-standard custom bearings. Our products are widely used in automobiles, agricultural machinery, motors, construction machinery, mining equipment and other fields.

Q2: I'm not sure which bearing model my equipment needs. Can you help with the selection?

Q3: Do you provide OEM/ODM customization services? What is the minimum order quantity (MOQ)?

A: Yes, we offer comprehensive OEM/ODM customization services. We can produce according to your drawings or samples. The minimum order quantity (MOQ) depends on the bearing model and its complexity. Standard models usually have a lower MOQ, while the MOQ for custom products needs to be negotiated specifically. Please contact our sales team for a detailed quotation.

Q4: Are your bearings interchangeable with those of brands such as SKF, FAG and NSK?

A: Yes, our standard models are consistent with well-known brands (such as SKF, FAG, NSK, NTN, etc.) in terms of key dimensions, tolerances and load capacity, enabling direct interchangeability. If you are using models of other brands, please let us know, and we can provide the corresponding model comparison chart and technical parameters.

Q5: What precision grades can your bearings reach?

A: The precision grade of our standard products complies with ISO P0 (equivalent to ABEC 1). Meanwhile, we can provide products with P6 (ABEC 3), P5 (ABEC 5) or even higher precision grades according to customer requirements. For specific precision grades, please refer to the technical parameter table on each product page.

Q1: What preparations are required before bearing installation?

Q2: Can a hammer be used to strike the bearing directly during installation?

A: Direct striking is strongly not recommended. Direct hammer blows on the bearing will generate impact force, causing indentations and scratches on the rolling elements and raceways, which leads to noise, vibration and premature failure. A press or special installation tools should be used, and the force must be applied only to the ring that needs to be mated (apply force to the inner ring when installing it, and to the outer ring when installing it).

Q3: Is heating required for bearing installation? How to operate?

A: For large bearings or those with a large interference fit, the heating installation method is usually adopted. Heat the bearing (which must be unlubricated and unsealed) uniformly to no more than 120°C in an oil bath or induction heater, then mount it on the shaft quickly. Note: Bearings pre-filled with grease or with seals/dust covers cannot be heated by this method.

Q4: How to check if the bearing is installed correctly?

A: After installation, manually rotate the shaft or housing first to check if the rotation is smooth and free of jamming or abnormal noise. Then conduct a no-load test run, gradually increasing the speed from a low level while monitoring noise, vibration and temperature rise. Stop the machine immediately for inspection if any abnormality is found.

Q5: Can bearings be cleaned with gasoline or solvents?

A: For open-type bearings, special cleaning agents or kerosene can be used for cleaning. After cleaning, the bearing must be thoroughly dried and an appropriate amount of grease or lubricating oil added immediately. However, bearings with dust covers or seals (such as 2RS, ZZ series) are pre-lubricated and strictly prohibited from being cleaned, otherwise the grease will be washed away, leading to early failure of the bearing. Only wipe the surface clean.

If you have any questions, please contact our technical team, and we can recommend a specific lubrication solution according to your application conditions.

It is recommended to formulate a lubrication plan based on the equipment operation time, and take care to avoid over-lubrication (over-lubrication is just as harmful as under-lubrication).

Once the above phenomena are found, it is recommended to shut down the machine for inspection immediately to avoid causing more extensive equipment damage.