Designation system - NTN
Manufacturer
Suffix
Prefix
Found: 368
| Suffix/Prefix | Manufacturer | Description | Example | Refers to |
|---|---|---|---|---|
| ZZ | NTN | Dust metal shield at both end. | 6007 ZZ | All types of bearing |
| ZA | NTN | Removable steel shield. | 6203 ZA | Ball bearings |
| ZA1 | NTN | Removable stainless steel shield. | RA2 ZA1 | Ball bearings |
| Z2 | NTN | Plummer block with felt seal. | SN513L5 Z2 | Bearing units |
| Z | NTN | Plummer block with Z type rubber seal. | Bearing units | |
| Z1 | NTN | Dust stainless steel shield at one end. | 6205 Z1 | Ball bearings |
| Z | NTN | Dust metal shield at one end. | 6007 Z | All types of bearing |
| XU | NTN | X + Through hardening steel SUJ2 & interchangeability (for metric items only). | 4T-32919 XU | Tapered roller bearings |
| Xn | NTN | Chamfer modification (X1, X2, …Xn). | 6010 X2 C3 | Ball bearings, Needle roller bearings |
| Xn | NTN | Special corner radii (n = number). (X1, X2, …Xn). | 4T-32222UP X2 | Tapered roller bearings |