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 | C3148 | |
| Bore diameter | d | 240 mm |
| Outside diameter | D | 400 mm |
| Width | B | 128 mm |
| Basic dynamic load rating | C | 2380 kN |
| Basic static load rating | C0 | 3500 kN |
| Fatigue load limit | Pu | 370 kN |
| Reference speed | nref | 870 r/min |
| Limiting speed | nG | 1690 r/min |
| Mass | ≈m | 64.9 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 | Z | Cylindrical |
| Cage | M | Solid brass cage, ball guided |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 240 mm9.449 in |
| Outside diameter | D | 400 mm15.748 in |
| Width | B | 128 mm5.039 in |
| Basic dynamic load rating, radial | Cr | 2,380,000 N535,071.942 lbf |
| Basic static load rating, radial | C0r | 3,500,000 N786,870.504 lbf |
| Fatigue load limit, radial | Cur | 370,000 N83,183.453 lbf |
| Reference speed | nϑr | 870 1/min |
| Limiting speed | nG | 1,690 1/min |
| Mass | ≈m | 64.9 kg143.08 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 257 mm10.118 in |
| Maximum diameter shaft shoulder | da max | 307 mm12.087 in |
| Minimum diameter of housing shoulder | Da min | 337 mm13.268 in |
| Maximum diameter of housing shoulder | Da max | 383 mm15.079 in |
| Maximum fillet radius | ra max | 3 mm0.118 in |
| Minimum depth of free space Ca | Ca | 1.64 mm0.065 in |
Dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 4 mm0.157 in |
| Shoulder diameter of IR | d2 | 281.2 mm11.071 in |
| Shoulder diameter outer ring | D1 | 356.8 mm14.047 in |
| Axial displacement | S1 | 20.4 mm0.803 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 | 0.742 |
| Tilting factor kφ | kφ | 14.548 |
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 Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 2253254 | |
| Brand | FAG | |
| Base Type | C3148 | |
| X Life Marking | XL | |
| SAP material number | 0938174440000 | |
| Base product | 2305091390 | |
| Bearing X designation | C3148-XL-M | |
| Mounting Manager ID | C3148-XL-M | |
| Grease application ID | C3148-XL-M |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | 토로이달 롤러 베어링 C31..-XL-M | |
| Short Description | Toroidal roller bearing |
Technical Data22 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 240 mm | |
| Outside Diameter (D) | 400 mm | |
| Width (B) | 128 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 2,380,000 N | |
| Basic Static Load Rating, Radial (C0R) | 3,500,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 1,690 1/min | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Reference Speed (Nϑr) | 870 1/min | |
| Minimum Diameter Of Housing Shoulder (Da Min) | 337 mm | |
| Axial Displacement (S1) | 20.4 mm | |
| Minimum Depth Of Free Space Ca (Ca) | 1.64 mm | |
| Operating Clearance Factor Kδ (Kδ) | 0.742 | |
| Shoulder Diameter Of Ir (D2) | 281.2 mm | |
| Tilting Factor Kφ (Kφ) | 14.548 | |
| Fatigue Load Limit, Radial (Cur) | 370,000 N | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 307 mm | |
| Minimum Diameter Shaft Shoulder (Da Min) | 257 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 383 mm | |
| Minimum Chamfer Dimension (Rmin) | 4 mm | |
| Maximum Fillet Radius (Ra Max) | 3 mm | |
| Shoulder Diameter Outer Ring (D1) | 356.8 mm |
