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 | NU3068 | |
| Bore diameter | d | 340 mm |
| Outside diameter | D | 520 mm |
| Width | B | 133 mm |
| Basic dynamic load rating | C | 2140 kN |
| Basic static load rating | C0 | 4150 kN |
| Fatigue load limit | Pu | 455 kN |
| Reference speed | nref | 650 r/min |
| Limiting speed | nG | 2010 r/min |
| Mass | ≈m | 104.3 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 | Standard | |
| 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 | 340 mm13.386 in |
| Outside diameter | D | 520 mm20.472 in |
| Width | B | 133 mm5.236 in |
| Basic dynamic load rating, radial | Cr | 2,140,000 N481,115.108 lbf |
| Basic static load rating, radial | C0r | 4,150,000 N933,003.597 lbf |
| Fatigue load limit, radial | Cur | 455,000 N102,293.165 lbf |
| Limiting speed | nG | 2,010 1/min |
| Reference speed | nϑr | 650 1/min |
| Mass | ≈m | 104.3 kg229.942 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 357 mm14.055 in |
| Maximum diameter of shaft shoulder | da max | 380 mm14.961 in |
| Minimum shaft shoulder | db min | 390 mm15.354 in |
| Maximum diameter of housing shoulder | Da max | 503 mm19.803 in |
| Maximum recess radius | ra max | 4 mm0.157 in |
| Maximum recess radius | ra1 max | 4 mm0.157 in |
Dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 5 mm0.197 in |
| Minimum chamfer dimension | r1 min | 5 mm0.197 in |
| Axial displacement | s | 12 mm0.472 in |
| Raceway diameter outer ring | E | 475 mm18.701 in |
| Raceway diameter inner ring | F | 385 mm15.157 in |
| Minimum rib diameter outer ring | D1 min | 458.2 mm18.039 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 Identity5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 1632533 | |
| Brand | FAG | |
| Base Type | NU3068 | |
| SAP material number | 0192472570030 | |
| 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) | 340 mm | |
| Outside Diamater (D) | 520 mm | |
| Total Width (B) | 133 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 2,140,000 N | |
| Basic Static Load Rating, Radial (C0R) | 4,150,000 N | |
| Raceway Diameter Inner Ring (F) | 385 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 357 mm | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Limiting Speed (Limiting Spe) | 2,010 1/min | |
| Reference Speed (Nϑr) | 650 1/min | |
| Maximum Recess Radius (Ra Max) | 4 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 503 mm | |
| Minimum Chamfer Dimension (R1 Min) | 5 mm | |
| Axial Displacement (S) | 12 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 458.2 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 380 mm | |
| Maximum Recess Radius (Ra1 Max) | 4 mm | |
| Minimum Chamfer Dimension (Rmin) | 5 mm | |
| Raceway Diameter Outer Ring (E) | 475 mm | |
| Minimum Shaft Shoulder (Db Min) | 390 mm | |
| Fatigue Load Limit, Radial (Cur) | 455,000 N |
