Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Cylindrical roller thrust bearings | |
| Bore diameter | d | 240 mm |
| Outside diameter | D | 340 mm |
| Height | H | 78 mm |
| Basic dynamic load rating | C | 1100 kN |
| Basic static load rating | C0 | 4900 kN |
| Fatigue load limit | Pu | 390 kN |
| Reference speed | nref | 400 r/min |
| Limiting speed | nG | 800 r/min |
| Mass | ≈m | 24.1 kg |
| Cage | Machined brass | |
| Bearing material | Bearing steel |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 240.0 mm | |
| Outside diameter | 340.0 mm | |
| Height | 78.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Cylindrical roller thrust bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/cylindrical-roller-thrust-bearings | |
| Structure group ID | BGS_001_002_003 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Abutment diameter shaft | d a | min. 335 mm |
| Abutment diameter housing | D a | max. 261 mm |
| Fillet radius | r a | max. 2.1 mm |
Engineering — Calculation data6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 1100 kN |
| Basic static load rating | C 0 | 4900 kN |
| Fatigue load limit | P u | 390 kN |
| Reference speed | 400 r/min | |
| Limiting speed | 800 r/min | |
| Minimum axial load factor | A | 1.9 |
Engineering — Dimensions7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 240 mm |
| Outside diameter | D | 340 mm |
| Height | H | 78 mm |
| Outside diameter shaft washer | d 1 | 335 mm |
| Bore diameter housing washer | D 1 | 244 mm |
| Height shaft washer | B | 23 mm |
| Chamfer dimension housing washer | r 1,2 | min. 2.1 mm |
Engineering — Included products3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Roller and cage thrust assembly | K 81248 M | |
| Shaft washer | WS 81248 | |
| Housing washer | GS 81248 |
Logistics2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 24.1 kg | |
| UNSPSC code | 31171505 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 1100.0 kN | |
| Basic static load rating | 4900.0 kN | |
| Reference speed | 400.0 r/min | |
| Limiting speed | 800.0 r/min |
Properties8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Axial load capability | Single-direction | |
| Number of rows | 1 | |
| Cage | Machined brass | |
| Tolerance class | Normal | |
| Material, bearing | Bearing steel | |
| Coating | Without | |
| Indicative carbon footprint for new product | 89.1 kg CO 2 e |