Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | 7300 | |
| Variant / construction | Angular Contact Ball | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 120 mm |
| Width | B | 29 mm |
| Basic dynamic load rating | C | 78.7 kN |
| Basic static load rating | C0 | 56.5 kN |
| Mass | ≈m | 1.59 kg |
| Sealing | Open | |
| Cage | Brass cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 0.00 | |
| Y1 Factor | 0.00 | |
| Y2 Factor | 0.00 | |
| Y0 Factor | 0.26 | |
| E Factor | 0.00 | |
| Cg Factor | 0.0494 |
Manufacturer Identity6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000100155268 | |
| World Assembly Part Number | 7311WNSUC1 | |
| Upc | 0087796068605 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:47.063 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | Angular Contact Ball | |
| Construction | Single Row Angular Contact Ball Bearing | Imperial Series | 2.1654 in Bore | 4.7244 in OD | 1.1417 in Width | Open | Cylindrical Bore | Brass Cage | 40° Contact Angle | ISO P0 Tolerance | |
| Number Of Rows | 1 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 0.000 mm | |
| Radial Rating | 87,200 N | |
| Axial Rating | 0 N | |
| Dynamic Rating C1 | 78,700 N | |
| Dynamic Rating C90 | 0 N | |
| Dynamic Axial Rating Ca90 | 0 N | |
| Dynamic Axial Rating Ca1 | 0 N | |
| Static Radial Rating C0 | 56,500 N | |
| Extended Dynamic Rating Ce | 87,200 N | |
| Static Axial Rating C0A | 0 N |