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 | Super-precision cylindrical roller bearings | |
| Bore diameter | d | 70 mm |
| Outside diameter | D | 110 mm |
| Width | B | 20 mm |
| Basic dynamic load rating | C | 55 kN |
| Basic static load rating | C0 | 72 kN |
| Fatigue load limit | Pu | 7.1 kN |
| Mass | ≈m | 0.549 kg |
| Internal clearance | C1 | |
| Sealing | Without | |
| Cage | Non-metallic | |
| Bearing material | Hybrid (ceramic rollers) | |
| Lubricant | None |
Dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | 70.0 mm | |
| Outside diameter | 110.0 mm | |
| Width | 20.0 mm |
Product identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Official product category | Super-precision cylindrical roller bearings | |
| Official taxonomy path | /products/super-precision-bearings/cylindrical-roller-bearings | |
| Structure group ID | BC1_010 | |
| Available from SKF | Yes | |
| Remanufacturable | No |
Engineering — Abutment dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Abutment diameter shaft | d a | min. 76.5 mm |
| Abutment diameter housing | D a | min. 101 mm |
| Abutment diameter housing | D a | max. 103.5 mm |
| Radius of fillet | r a | max. 1 mm |
Engineering — Calculation data7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | C | 55 kN |
| Basic static load rating | C 0 | 72 kN |
| Fatigue load limit | P u | 7.1 kN |
| Attainable speed for grease lubrication | 15000 r/min | |
| Attainable speed for oil-air lubrication | 20000 r/min | |
| Reference grease quantity | G ref | 7.2 cm³ |
| Static radial stiffness (guideline value) | 1050 N/µm |
Engineering — Dimensions9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 70 mm |
| Outside diameter | D | 110 mm |
| Width | B | 20 mm |
| Shoulder diameter inner ring | d 1 | 85.6 mm |
| Raceway diameter outer ring | E | 100 mm |
| Chamfer dimension | r 1,2 | min. 1.1 mm |
| Chamfer dimension | r 3,4 | min. 0.6 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other (all) | s | max. 3 mm |
| Permissible axial displacement from the normal position of one bearing ring relative to the other (variants with TNHA cage) | s 1 | max. 1.5 mm |
Engineering — Engineering specifications1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Bore type | Tapered 1:12 |
Logistics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Product net weight | 0.549 kg | |
| eClass code | 23-05-09-01 | |
| UNSPSC code | 31171505 |
Performance4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Basic dynamic load rating | 55.0 kN | |
| Basic static load rating | 72.0 kN | |
| Attainable speed for grease lubrication | 15000.0 r/min | |
| Attainable speed for oil-air lubrication | 20000.0 r/min |
Properties16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bearing part | Complete bearing | |
| Number of rows | 1 | |
| Bore type | Tapered 1:12 | |
| Cage | Non-metallic | |
| Design | High-speed | |
| Number of flanges, outer ring | 0 | |
| Number of flanges, inner ring | 2 | |
| Loose flange | None | |
| Radial internal clearance | C1 | |
| Tolerance class | Class SP (SP) | |
| Material, bearing | Hybrid (ceramic rollers) | |
| Coating | Without | |
| Sealing | Without | |
| Lubricant | None | |
| Relubrication feature | Without | |
| Indicative carbon footprint for new product | 2.0 kg CO 2 e |
