Self-aligning ball bearing has cylindrical hole and tapered hole two kinds of structure, cage material has steel plate, synthetic resin, etc. It is characterized by the spherical shape of the outer ring raceway, with automatic centering, can compensate for the error caused by different concentricity and shaft deflection, but the relative inclination of the inner and outer ring shall not exceed 3 degrees.   Suffix definitions of Self-aligning ball bearings: C3: radial clearance than ordinary clearance K: 1/12 taper tapered bore K30: 1/30 taper tapered bore M: Ball guided machined brass cage 2RS: with both ends of closures TV: ball guide glass fiber reinforced polyamide (nylon) solid cage1. Your factory how to control the quality? A: All bearing parts before the production and the production process, strict inspection by 100%, including crack detection, roundness, hardness, roughness, and the geometry size, all bearing meet ISO international standard. 2. Can you tell me the bearing material? A: We have chrome steel GCR15, stainless steel, ceramics and other materials. 3. How long is your delivery time? A: If the goods are in stock, usually 5 to 10 days, if the goods are no stock for 15 to 20 days, according to the quantity to determine the time. 4. OEM and custom you can receive? A: Yes, accept OEM, can also be customized according to samples or drawings for you.

Shandong Nice Bearing Manufacture Co. Ltd, established in 1995, is a supplier of bearing, roller bearing ,ball bearing,pillow block bearing, rod ends bearing ,needle roller bearing,screw bearings and slider bearings and slewing support bearings and so on.We have exported more than 100countries like USA, Mexico,Canada, Spain, Russia,Singapore,Thailand, India etc.We are committed to creating a one-stop shopping platform for customers to save time, improve efficiency with the best price and quality to win the trust of customers. Win-win cooperation is our company's business philosophy.