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 | NSS-998272 | |
| Variant / construction | Radial SRB | |
| Bore diameter | d | 1180 mm |
| Outside diameter | D | 1540 mm |
| Width | B | 272 mm |
| Basic dynamic load rating | C | 12700 kN |
| Basic static load rating | C0 | 31000 kN |
| Mass | ≈m | 1286.99 kg |
| Sealing | Open | |
| Cage | Brass cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 0.00 | |
| Y1 Factor | 4.51 | |
| Y2 Factor | 6.71 | |
| Y0 Factor | 4.41 | |
| E Factor | 0.15 | |
| Cg Factor | 0.1671 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000190073937 | |
| World Assembly Part Number | 239/1180KYMBW33W45A | |
| Inner Ring Part Number | 1180ASDY39K | |
| Outer Ring Part Number | 1180ESDC39W33W45 | |
| Drawing Number | M949264 | |
| Upc | 0085706324872 | |
| Official Source System | CORE BP - DS DF | |
| Official Last Run | 2026-08-23T20:02:47.483 |
Product Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type Description | Radial SRB | |
| Construction | Spherical Roller Bearing | Imperial Series | 46.4567 in Bore | 60.6299 in OD | 10.7087 in Width | Open | Tapered Bore | Brass Cage | C3 Clearance | Bearing contains application features | |
| Number Of Rows | 2 | |
| Tapered Bore | Y |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 0.000 mm | |
| Radial Rating | 12,700,000 N | |
| Axial Rating | 0 N | |
| Dynamic Rating C1 | 12,700,000 N | |
| Dynamic Rating C90 | 0 N | |
| Dynamic Axial Rating Ca90 | 0 N | |
| Dynamic Axial Rating Ca1 | 0 N | |
| Static Radial Rating C0 | 31,000,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 0 N |