Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications15 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | NU244 | |
| Bore diameter | d | 220 mm |
| Outside diameter | D | 400 mm |
| Width | B | 65 mm |
| Basic dynamic load rating | C | 950 kN |
| Basic static load rating | C0 | 1330 kN |
| Fatigue load limit | Pu | 106 kN |
| Reference speed | nref | 1380 r/min |
| Limiting speed | nG | 2600 r/min |
| Mass | ≈m | 38.2 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Internal clearance | C3 (Group 3) — Internal clearance larger than CN | |
| Cage | M1 — Two Piece Brass Cage Roller Guided | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 150 °C |
Product characteristics5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | E | Increased Capacity Design |
| Cage | M1 | Two Piece Brass Cage Roller Guided |
| Radial internal clearance | C3 (Group 3) | Internal clearance larger than CN |
| Tolerance class | PN | Normal (ISO 492:2023) |
| Number of rows | 1 | Single-row design |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 220 mm8.661 in |
| Outside diameter | D | 400 mm15.748 in |
| Width | B | 65 mm2.559 in |
| Basic dynamic load rating, radial | Cr | 950,000 N213,579.137 lbf |
| Basic static load rating, radial | C0r | 1,330,000 N299,010.791 lbf |
| Fatigue load limit, radial | Cur | 106,000 N23,830.935 lbf |
| Limiting speed | nG | 2,600 1/min |
| Reference speed | nϑr | 1,380 1/min |
| Mass | ≈m | 38.2 kg84.216 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 237 mm9.331 in |
| Maximum diameter of shaft shoulder | da max | 265 mm10.433 in |
| Minimum shaft shoulder | db min | 271 mm10.669 in |
| Maximum diameter of housing shoulder | Da max | 383 mm15.079 in |
| Maximum recess radius | ra max | 3 mm0.118 in |
| Maximum recess radius | ra1 max | 3 mm0.118 in |
Dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 4 mm0.157 in |
| Minimum chamfer dimension | r1 min | 4 mm0.157 in |
| Axial displacement | s | 5.5 mm0.217 in |
| Raceway diameter outer ring | E | 358 mm14.094 in |
| Raceway diameter inner ring | F | 268 mm10.551 in |
| Minimum rib diameter outer ring | D1 min | 344.9 mm13.579 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 150 °C302 °F |
Capabilities & suitability5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Suitable for grease lubrication | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes | |
| Largebearing | Yes |
Manufacturer Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 370733 | |
| Brand | FAG | |
| Base Type | NU244 | |
| SAP material number | 0390764230030 | |
| Base product | 2305090102 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Cylindrical roller bearing NU..-E-M1, with cage, single row, non-locating bearing, 2 ribs on outer ring, 0 ribs on inner ring (smooth), type NU, Running accuracy in P6 | |
| Short Description | Cylindrical roller bearing |
Technical Data22 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 220 mm | |
| Outside Diamater (D) | 400 mm | |
| Total Width (B) | 65 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 950,000 N | |
| Basic Static Load Rating, Radial (C0R) | 1,330,000 N | |
| Raceway Diameter Inner Ring (F) | 268 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 237 mm | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Limiting Speed (Limiting Spe) | 2,600 1/min | |
| Reference Speed (Nϑr) | 1,380 1/min | |
| Maximum Recess Radius (Ra Max) | 3 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 383 mm | |
| Minimum Chamfer Dimension (R1 Min) | 4 mm | |
| Axial Displacement (S) | 5.5 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 344.9 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 265 mm | |
| Maximum Recess Radius (Ra1 Max) | 3 mm | |
| Minimum Chamfer Dimension (Rmin) | 4 mm | |
| Raceway Diameter Outer Ring (E) | 358 mm | |
| Minimum Shaft Shoulder (Db Min) | 271 mm | |
| Fatigue Load Limit, Radial (Cur) | 106,000 N |
