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 |
|---|---|---|
| Series | C3056 | |
| Bore diameter | d | 280 mm |
| Outside diameter | D | 420 mm |
| Width | B | 106 mm |
| Basic dynamic load rating | C | 1870 kN |
| Basic static load rating | C0 | 3100 kN |
| Fatigue load limit | Pu | 290 kN |
| Reference speed | nref | 770 r/min |
| Limiting speed | nG | 1530 r/min |
| Mass | ≈m | 48.5 kg |
| Cage | M — Solid brass cage, ball guided | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 200 °C |
Product characteristics2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore type | K | Tapered, taper 1:12 |
| Cage | M | Solid brass cage, ball guided |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 280 mm11.024 in |
| Outside diameter | D | 420 mm16.535 in |
| Width | B | 106 mm4.173 in |
| Basic dynamic load rating, radial | Cr | 1,870,000 N420,413.669 lbf |
| Basic static load rating, radial | C0r | 3,100,000 N696,942.446 lbf |
| Fatigue load limit, radial | Cur | 290,000 N65,197.842 lbf |
| Reference speed | nϑr | 770 1/min |
| Limiting speed | nG | 1,530 1/min |
| Mass | ≈m | 48.5 kg106.924 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 295 mm11.614 in |
| Maximum diameter shaft shoulder | da max | 348 mm13.701 in |
| Minimum diameter of housing shoulder | Da min | 374 mm14.724 in |
| Maximum diameter of housing shoulder | Da max | 405 mm15.945 in |
| Maximum fillet radius | ra max | 3 mm0.118 in |
| Minimum depth of free space Ca | Ca | 2.1 mm0.083 in |
Dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 4 mm0.157 in |
| Shoulder diameter of IR | d2 | 328.5 mm12.933 in |
| Shoulder diameter outer ring | D1 | 388.5 mm15.295 in |
| Axial displacement | S1 | 21.3 mm0.839 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 200 °C392 °F |
Calculation factors2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating clearance factor kδ | kδ | 0.917 |
| Tilting factor kφ | kφ | 12.647 |
Capabilities & suitability6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Suitable for grease lubrication | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes | |
| Staticangularerrorandmisalignment | Yes | |
| Dynamicangularerrorandmisalignment | Yes |
Manufacturer Identity6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 3424006 | |
| Brand | FAG | |
| Base Type | C3056 | |
| X Life Marking | XL | |
| SAP material number | 3043352070040 | |
| Base product | 2305091390 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Toroidal roller bearing C30..-XL-K-M | |
| Short Description | Toroidal roller bearing |
Technical Data22 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 280 mm | |
| Outside Diameter (D) | 420 mm | |
| Width (B) | 106 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 1,870,000 N | |
| Basic Static Load Rating, Radial (C0R) | 3,100,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 1,530 1/min | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Reference Speed (Nϑr) | 770 1/min | |
| Minimum Diameter Of Housing Shoulder (Da Min) | 374 mm | |
| Axial Displacement (S1) | 21.3 mm | |
| Minimum Depth Of Free Space Ca (Ca) | 2.1 mm | |
| Operating Clearance Factor Kδ (Kδ) | 0.917 | |
| Shoulder Diameter Of Ir (D2) | 328.5 mm | |
| Tilting Factor Kφ (Kφ) | 12.647 | |
| Fatigue Load Limit, Radial (Cur) | 290,000 N | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 348 mm | |
| Minimum Diameter Shaft Shoulder (Da Min) | 295 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 405 mm | |
| Minimum Chamfer Dimension (Rmin) | 4 mm | |
| Maximum Fillet Radius (Ra Max) | 3 mm | |
| Shoulder Diameter Outer Ring (D1) | 388.5 mm |