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 | EX28112 | |
| Variant / construction | Radial SRB | |
| Bore diameter | d | 630 mm |
| Outside diameter | D | 780 mm |
| Width | B | 112 mm |
| Basic dynamic load rating | C | 2430 kN |
| Basic static load rating | C0 | 5950 kN |
| Mass | ≈m | 120.13 kg |
| Sealing | Open | |
| Cage | Brass cage |
Calculation Factors6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| K Factor | 0.00 | |
| Y1 Factor | 5.57 | |
| Y2 Factor | 8.30 | |
| Y0 Factor | 5.45 | |
| E Factor | 0.12 | |
| Cg Factor | 0.1158 |
Manufacturer Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Brand | Timken | |
| Material Number | 000000000190040294 | |
| World Assembly Part Number | 238/630YMBW20 | |
| Inner Ring Part Number | 630ASDY38 | |
| Outer Ring Part Number | 630ESDC38W20 | |
| Drawing Number | M947220 | |
| Upc | 0087796363724 | |
| 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 | 24.8032 in Bore | 30.7087 in OD | 4.4094 in Width | Open | Cylindrical Bore | Brass Cage | C3 Clearance | Bearing contains application features | |
| Number Of Rows | 2 | |
| Tapered Bore | N |
Technical Data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Overall Width | 0.000 mm | |
| Radial Rating | 2,430,000 N | |
| Axial Rating | 0 N | |
| Dynamic Rating C1 | 2,430,000 N | |
| Dynamic Rating C90 | 0 N | |
| Dynamic Axial Rating Ca90 | 0 N | |
| Dynamic Axial Rating Ca1 | 0 N | |
| Static Radial Rating C0 | 5,950,000 N | |
| Extended Dynamic Rating Ce | 0 N | |
| Static Axial Rating C0A | 0 N |
