Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications13 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Tapered roller bearings | |
| Bore diameter | d | 70 mm |
| Outside diameter | D | 110 mm |
| Width | B | 108.8 mm |
| Basic dynamic load rating | C | 273 kN |
| Basic static load rating | C0 | 400 kN |
| Fatigue load limit | Pu | 45.5 kN |
| Reference speed | nref | 3800 r/min |
| Limiting speed | nG | 5600 r/min |
| Mass | ≈m | 3.06 kg |
| Sealing | Without | |
| Cage | Sheet metal | |
| Lubricant | None |
Dimensions5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 70.0 mm | |
| Outside diameter | 110.0 mm | |
| Width, total | 108.8 mm | |
| Width, inner ring | 108.8 mm | |
| Contact angle | 10.8 ° |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Tapered roller bearings | |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/tapered-roller-bearings/matched-tapered-roller-bearings | |
| Structure group ID | BT2_011 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter of shaft abutment | d b | min. 79.5 mm |
| Diameter of housing abutment | D b | min. 105 mm |
| Minimum width of space required in housing on small side face | C b | min. 5.5 mm |
| Radius of fillet | r a | max. 1.5 mm |
| Radius of fillet | r c | max. 0.6 mm |
Engineering — Calculation data10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| SKF performance class | SKF Explorer | |
| Basic dynamic load rating | C | 273 kN |
| Basic static load rating | C 0 | 400 kN |
| Fatigue load limit | P u | 45.5 kN |
| Reference speed | 3800 r/min | |
| Limiting speed | 5600 r/min | |
| Limiting value | e | 0.28 |
| Calculation factor | Y 1 | 2.4 |
| Calculation factor | Y 2 | 3.6 |
| Calculation factor | Y 0 | 2.5 |
Engineering — Dimensions8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 70 mm |
| Outside diameter | D | 110 mm |
| Total width | T | 108.8 mm |
| Shoulder diameter of inner ring | d 1 | ≈ 88.95 mm |
| Width of spacer ring | l | 46.8 mm |
| Chamfer dimension | r 1,2 | min. 1.5 mm |
| Chamfer dimension | r 5 | min. 0.6 mm |
| Distance between pressure points | a | 91.855 mm |
Logistics2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 3.06 kg | |
| eClass code | 23-05-09-10 |
Performance5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 273.0 kN | |
| Basic static load rating | 400.0 kN | |
| Reference speed | 3800.0 r/min | |
| Limiting speed | 5600.0 r/min | |
| SKF performance class | SKF Explorer |
Properties12 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Number of rows | 2 | |
| Locating feature, bearing outer ring | Without | |
| Bore type | Cylindrical | |
| Cage | Sheet metal | |
| Matched arrangement | Back-to-back (O) | |
| Number of bearings in matched set | 2 | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 11.3 kg CO 2 e |