Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications11 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | 32311-B | |
| Variant / construction | TSF - Tapered Single Flanged | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 120 mm |
| Width | B | 18.5 mm |
| Basic dynamic load rating | C | 264 kN |
| Basic static load rating | C0 | 286 kN |
| Mass | ≈m | 2.56 kg |
| Precision class | ABMA Class N | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.07 | |
| Y1 Factor | 1.10 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 0.60 | |
| E Factor | 0.55 | |
| Cg Factor | 0.0794 |
Manufacturer Identity8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000190072945 | |
| World Assembly Part Number | X32311-BG_Y32311-BRG | |
| Inner Ring Part Number | X32311-BG | |
| Outer Ring Part Number | Y32311-BRG | |
| Drawing Number | C-101584 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:46.737 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TSF - Tapered Single Flanged | |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 2.1654 in Bore | 4.7244 in OD | 1.7913 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class N | |
| Number Of Rows | 1 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 46.800 mm | |
| Radial Rating | 68,400 N | |
| Axial Rating | 64,000 N | |
| Dynamic Rating C1 | 264,000 N | |
| Dynamic Rating C90 | 68,400 N | |
| Dynamic Axial Rating Ca90 | 64,000 N | |
| Dynamic Axial Rating Ca1 | 247,000 N | |
| Static Radial Rating C0 | 286,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 455,000 N |
