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 | 120 mm |
| Outside diameter | D | 155 mm |
| Height | H | 25 mm |
| Basic dynamic load rating | C | 170 kN |
| Basic static load rating | C0 | 735 kN |
| Fatigue load limit | Pu | 68 kN |
| Reference speed | nref | 1100 r/min |
| Limiting speed | nG | 2200 r/min |
| Mass | ≈m | 1.09 kg |
| Cage | Non-metallic | |
| Bearing material | Bearing steel |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 120.0 mm | |
| Outside diameter | 155.0 mm | |
| Height | 25.0 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. 151 mm |
| Abutment diameter housing | D a | max. 124 mm |
| Fillet radius | r a | max. 1 mm |
Engineering — Calculation data6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 170 kN |
| Basic static load rating | C 0 | 735 kN |
| Fatigue load limit | P u | 68 kN |
| Reference speed | 1100 r/min | |
| Limiting speed | 2200 r/min | |
| Minimum axial load factor | A | 0.04 |
Engineering — Dimensions7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 120 mm |
| Outside diameter | D | 155 mm |
| Height | H | 25 mm |
| Outside diameter shaft washer | d 1 | 155 mm |
| Bore diameter housing washer | D 1 | 122 mm |
| Height shaft washer | B | 7 mm |
| Chamfer dimension housing washer | r 1,2 | min. 1 mm |
Engineering — Included products3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Roller and cage thrust assembly | K 81124 TN | |
| Shaft washer | WS 81124 | |
| Housing washer | GS 81124 |
Logistics2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 1.09 kg | |
| UNSPSC code | 31171505 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 170.0 kN | |
| Basic static load rating | 735.0 kN | |
| Reference speed | 1100.0 r/min | |
| Limiting speed | 2200.0 r/min |
Properties8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Axial load capability | Single-direction | |
| Number of rows | 1 | |
| Cage | Non-metallic | |
| Tolerance class | Normal | |
| Material, bearing | Bearing steel | |
| Coating | Without | |
| Indicative carbon footprint for new product | 4.0 kg CO 2 e |