Single-row Angular Contact Ball bearing families only have Light, Medium and Heavy type. It starts with 72**, 73** and 74**.. All of them are metric type.

The item number of Single-row Angular Contact Ball bearings normally consist of follows parts: Materies prefix, basic typer & series, bore size, contact angle, cage material, and other features. If the parts is blank, it means it is standard.

Take HTF7210BYG for example, HTF is materies prefix, means this bearing is made of High tough materieal (If it is blank, then the bearing is standard materials); 72 is bearing type and series, means this bearing is metric,angular contact, light series; 10 is bore size, means this bearing ID is 50mm; B is contact angel, means this bearing is with 40°contact angle (C means angel is 15°, while A is 30°contact angle); Y is cage material, means it is with pressed brass (M is machines brass and land riding, while W is steel)..

Other information you can see Follows charter.

For this Angular Contact bearing, Different Brands have same parts number. But the suffix and prefix are quite different. For examples, 40°contact angel, NSK SKF, and FAG is B, while TIMKEN is WN. Polyamide cage, NSK is ‘TY’, SKF is ‘P’, TIMKEN is ‘PRC’, FAG is ‘TVP’, NTN is ‘T2’. For other 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.