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 | NU3044 | |
| Bore diameter | d | 220 mm |
| Outside diameter | D | 340 mm |
| Width | B | 90 mm |
| Basic dynamic load rating | C | 960 kN |
| Basic static load rating | C0 | 1730 kN |
| Fatigue load limit | Pu | 209 kN |
| Reference speed | nref | 1250 r/min |
| Limiting speed | nG | 3150 r/min |
| Mass | ≈m | 30.46 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Internal clearance | CN (Group N) — Normal internal clearance | |
| 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 | Standard | |
| Cage | M1 | Two Piece Brass Cage Roller Guided |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
| 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 | 340 mm13.386 in |
| Width | B | 90 mm3.543 in |
| Basic dynamic load rating, radial | Cr | 960,000 N215,827.338 lbf |
| Basic static load rating, radial | C0r | 1,730,000 N388,938.849 lbf |
| Fatigue load limit, radial | Cur | 209,000 N46,987.41 lbf |
| Limiting speed | nG | 3,150 1/min |
| Reference speed | nϑr | 1,250 1/min |
| Mass | ≈m | 30.46 kg67.153 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 232 mm9.134 in |
| Maximum diameter of shaft shoulder | da max | 246 mm9.685 in |
| Minimum shaft shoulder | db min | 254 mm10 in |
| Maximum diameter of housing shoulder | Da max | 328 mm12.913 in |
| Maximum recess radius | ra max | 2.5 mm0.098 in |
| Maximum recess radius | ra1 max | 2.5 mm0.098 in |
Dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 3 mm0.118 in |
| Minimum chamfer dimension | r1 min | 3 mm0.118 in |
| Axial displacement | s | 8.8 mm0.346 in |
| Raceway diameter outer ring | E | 310 mm12.205 in |
| Raceway diameter inner ring | F | 250 mm9.843 in |
| Minimum rib diameter outer ring | D1 min | 298.9 mm11.768 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 150 °C302 °F |
Capabilities & suitability4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Suitable for grease lubrication | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes |
Manufacturer Identity6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 369136 | |
| Brand | FAG | |
| Base Type | NU3044 | |
| Old Designation | ["NU3044M1"] | |
| SAP material number | 0192469780000 | |
| Base product | 2305090102 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Cylindrical roller bearing NU..-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) | 340 mm | |
| Total Width (B) | 90 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 960,000 N | |
| Basic Static Load Rating, Radial (C0R) | 1,730,000 N | |
| Raceway Diameter Inner Ring (F) | 250 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 232 mm | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Limiting Speed (Limiting Spe) | 3,150 1/min | |
| Reference Speed (Nϑr) | 1,250 1/min | |
| Maximum Recess Radius (Ra Max) | 2.5 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 328 mm | |
| Minimum Chamfer Dimension (R1 Min) | 3 mm | |
| Axial Displacement (S) | 8.8 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 298.9 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 246 mm | |
| Maximum Recess Radius (Ra1 Max) | 2.5 mm | |
| Minimum Chamfer Dimension (Rmin) | 3 mm | |
| Raceway Diameter Outer Ring (E) | 310 mm | |
| Minimum Shaft Shoulder (Db Min) | 254 mm | |
| Fatigue Load Limit, Radial (Cur) | 209,000 N |
