Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Variant / construction | Tapered roller bearings | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 115 mm |
| Width | B | 73 mm |
| Basic dynamic load rating | C | 266 kN |
| Basic static load rating | C0 | 325 kN |
| Fatigue load limit | Pu | 39 kN |
| Reference speed | nref | 3400 r/min |
| Limiting speed | nG | 5600 r/min |
| Mass | ≈m | 3.5 kg |
| Sealing | Without | |
| Cage | Sheet metal | |
| Bearing material | Bearing steel | |
| Lubricant | None |
Dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 55.0 mm | |
| Outside diameter | 115.0 mm | |
| Width, total | 73.0 mm | |
| Width, inner ring | 70.0 mm | |
| Width, outer ring | 62.5 mm | |
| Contact angle | 30.0 ° |
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_012 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Diameter of shaft abutment | d a | max. 66 mm |
| Diameter of shaft abutment | d b | min. 67.5 mm |
| Diameter of housing abutment | D a | min. 86 mm |
| Diameter of housing abutment | D a | max. 104 mm |
| Diameter of housing abutment | D b | min. 109 mm |
| Minimum width of space required in housing on large side face | C a | min. 4 mm |
| Minimum width of space required in housing on small side face | C b | min. 10.5 mm |
| Radius of fillet | r a | max. 3 mm |
| Radius of housing fillet | r b | max. 3 mm |
Engineering — Calculation data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| SKF performance class | SKF Explorer | |
| Basic dynamic load rating | C | 266 kN |
| Basic static load rating | C 0 | 325 kN |
| Fatigue load limit | P u | 39 kN |
| Reference speed | 3400 r/min | |
| Limiting speed | 5600 r/min | |
| Limiting value | e | 0.88 |
| Calculation factor | Y | 0.68 |
| Calculation factor | Y 0 | 0.4 |
Engineering — Dimensions9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 55 mm |
| Outside diameter | D | 115 mm |
| Total width | T | 73 mm |
| Shoulder diameter of inner ring | d 1 | ≈ 89.5 mm |
| Width of inner rings | B | 70 mm |
| Width of outer rings | C | 62.5 mm |
| Chamfer dimension | r 1,2 | min. 3 mm |
| Chamfer dimension | r 3,4 | min. 3 mm |
| Distance between pressure points | a | 39 mm |
Logistics2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 3.5 kg | |
| eClass code | 23-05-09-10 |
Performance5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 266.0 kN | |
| Basic static load rating | 325.0 kN | |
| Reference speed | 3400.0 r/min | |
| Limiting speed | 5600.0 r/min | |
| SKF performance class | SKF Explorer |
Properties13 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 | Tandem (T) | |
| Number of bearings in matched set | 2 | |
| Material, bearing | Bearing steel | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 13.0 kg CO 2 e |