Deep Groove Ball bearing is very normal bering, there are R** inch type, 6** metric and extra small series, 6*** metric and extra light sereies, 62** metric and light series, 63** metric and medium series, 68** or 618** metric and extra thin section series, 69** or 619** metric very thin section series, 632** metric and light cartridge series, 633** metruc and medium cartridge series, BL2** metruc and maximum capacity ligh series and BL3** metric maximum capacity and medium series deep grrove ball bearing Type. The item number of deep groove ball bearing usually consist of follows parts: Materies prefix, basic typer & series, bore size, cage type, seal type, internal clearance, noise level, grease tyoe and grease fill. If the parts is blank, it means it is standard.

Take HTF6205T1XZZC3ESRIS for example, HTF is materies prefix, means this bearing is made of high tough material (If it is blank, then the bearing is standard materials); 62 is bearing type and series, means this bearing is metric and light series; 05 is bore size, means this bearing ID is 25mm; T1X is cage type, means this bearing is with Poluamide cage (If it is blank, then the bearing is steel cage); ZZ is seal type, means this bearing is with double shield. C3 is internal Clearance, means this bearing’s clearance is greater than normal (If it is blank, then the bearing is normal clearance.); E is noise level, means this bearing is with electric motor grade. SRI is grease type, means this bearing is with chevron SRI-2 grease. S is Grease fill, means this bearing is with a standard fill. Other information you can see Follows charter.

Different Brand have different number . For examples, metric and extra thin section series, NSK is 68**, while SKF and FAG brand is 618**. The contact seals, NSK is DDU, NTN is LLU, FAG is 2RSR, SKF is 2RS or 2RS1, while TIMKEN is PP. For the difference, kindly check the interchange charter as follows:

This table only provides the normal interchange for your convenient compare. But for special application or special items, you can contact us for detail to avoid any errors or omissions.