| R163231420 | SNS - slimline, normal, standard height | C1 - Low preload | N - Normal | SS - Standard seal | Without ball chain (standard) |
| R163231323 | SNS - slimline, normal, standard height | C1 - Low preload | H - Highly accurate | LS - Low-friction seal | With ball chain |
| R163231322 | SNS - slimline, normal, standard height | C1 - Low preload | H - Highly accurate | SS - Standard seal | With ball chain |
| R163231321 | SNS - slimline, normal, standard height | C1 - Low preload | H - Highly accurate | LS - Low-friction seal | Without ball chain (standard) |
| R163231320 | SNS - slimline, normal, standard height | C1 - Low preload | H - Highly accurate | SS - Standard seal | Without ball chain (standard) |
| R163239423 | SNS - slimline, normal, standard height | C0 - Without preload (clearance) | N - Normal | LS - Low-friction seal | With ball chain |
| R163239422 | SNS - slimline, normal, standard height | C0 - Without preload (clearance) | N - Normal | SS - Standard seal | With ball chain |
| R163239421 | SNS - slimline, normal, standard height | C0 - Without preload (clearance) | N - Normal | LS - Low-friction seal | Without ball chain (standard) |
| R163239420 | SNS - slimline, normal, standard height | C0 - Without preload (clearance) | N - Normal | SS - Standard seal | Without ball chain (standard) |
| R163239323 | SNS - slimline, normal, standard height | C0 - Without preload (clearance) | H - Highly accurate | LS - Low-friction seal | With ball chain |
| R163239322 | SNS - slimline, normal, standard height | C0 - Without preload (clearance) | H - Highly accurate | SS - Standard seal | With ball chain |
| R163239321 | SNS - slimline, normal, standard height | C0 - Without preload (clearance) | H - Highly accurate | LS - Low-friction seal | Without ball chain (standard) |
| R163239320 | SNS - slimline, normal, standard height | C0 - Without preload (clearance) | H - Highly accurate | SS - Standard seal | Without ball chain (standard) |
| R163131423 | FNS - flange, normal, standard height | C1 - Low preload | N - Normal | LS - Low-friction seal | With ball chain |
| R163131422 | FNS - flange, normal, standard height | C1 - Low preload | N - Normal | SS - Standard seal | With ball chain |
| R163131421 | FNS - flange, normal, standard height | C1 - Low preload | N - Normal | LS - Low-friction seal | Without ball chain (standard) |
| R163131420 | FNS - flange, normal, standard height | C1 - Low preload | N - Normal | SS - Standard seal | Without ball chain (standard) |
| R163131323 | FNS - flange, normal, standard height | C1 - Low preload | H - Highly accurate | LS - Low-friction seal | With ball chain |
| R163131322 | FNS - flange, normal, standard height | C1 - Low preload | H - Highly accurate | SS - Standard seal | With ball chain |
| R163131321 | FNS - flange, normal, standard height | C1 - Low preload | H - Highly accurate | LS - Low-friction seal | Without ball chain (standard) |
| R163131320 | FNS - flange, normal, standard height | C1 - Low preload | H - Highly accurate | SS - Standard seal | Without ball chain (standard) |
| R163139423 | FNS - flange, normal, standard height | C0 - Without preload (clearance) | N - Normal | LS - Low-friction seal | With ball chain |
| R163139422 | FNS - flange, normal, standard height | C0 - Without preload (clearance) | N - Normal | SS - Standard seal | With ball chain |
| R163139421 | FNS - flange, normal, standard height | C0 - Without preload (clearance) | N - Normal | LS - Low-friction seal | Without ball chain (standard) |