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 | L21500 | |
| Variant / construction | TS - Tapered Single | |
| Bore diameter | d | 15.875 mm |
| Outside diameter | D | 34.988 mm |
| Width | B | 10.998 mm |
| Basic dynamic load rating | C | 14.3 kN |
| Basic static load rating | C0 | 13.9 kN |
| Mass | ≈m | 0.06 kg |
| Precision class | ABMA Class 2 | |
| Sealing | Open | |
| Cage | Steel cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 1.83 | |
| Y1 Factor | 1.88 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 1.04 | |
| E Factor | 0.32 | |
| Cg Factor | 0.0348 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000100044923 | |
| World Assembly Part Number | L21549_L21511 | |
| Inner Ring Part Number | L21549 | |
| Outer Ring Part Number | L21511 | |
| Drawing Number | A-23801 | |
| Upc | 0053893758381 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:47.08 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | TS - Tapered Single | |
| Construction | Single Row Tapered Roller Bearing Assembly | Imperial Series | 0.6250 in Bore | 1.3775 in OD | 0.4330 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 | 12.998 mm | |
| Radial Rating | 3,720 N | |
| Axial Rating | 2,030 N | |
| Dynamic Rating C1 | 14,300 N | |
| Dynamic Rating C90 | 3,720 N | |
| Dynamic Axial Rating Ca90 | 2,030 N | |
| Dynamic Axial Rating Ca1 | 7,830 N | |
| Static Radial Rating C0 | 13,900 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 12,900 N |
