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 | LM921800 | |
| Variant / construction | TS - Tapered Single | |
| Bore diameter | d | 101.6 mm |
| Outside diameter | D | 177.8 mm |
| Width | B | 34.925 mm |
| Basic dynamic load rating | C | 170 kN |
| Basic static load rating | C0 | 219 kN |
| Mass | ≈m | 3.09 kg |
| Precision class | ABMA Class 2 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 0.50 | |
| Y1 Factor | 0.51 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 0.28 | |
| E Factor | 1.17 | |
| Cg Factor | 0.1153 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000100372607 | |
| World Assembly Part Number | LM921845_LM921810 | |
| Inner Ring Part Number | LM921845 | |
| Outer Ring Part Number | LM921810 | |
| Drawing Number | B-73332 | |
| Upc | 0013992333636 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:46.32 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TS - Tapered Single | |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 4.0000 in Bore | 7.0000 in OD | 1.3750 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class 2 | |
| Number Of Rows | 1 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 44.250 mm | |
| Radial Rating | 44,200 N | |
| Axial Rating | 88,600 N | |
| Dynamic Rating C1 | 170,000 N | |
| Dynamic Rating C90 | 44,200 N | |
| Dynamic Axial Rating Ca90 | 88,600 N | |
| Dynamic Axial Rating Ca1 | 342,000 N | |
| Static Radial Rating C0 | 219,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 747,000 N |
