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 | NU306 | |
| Bore diameter | d | 30 mm |
| Outside diameter | D | 72 mm |
| Width | B | 19 mm |
| Basic dynamic load rating | C | 61 kN |
| Basic static load rating | C0 | 48 kN |
| Fatigue load limit | Pu | 6.2 kN |
| Reference speed | nref | 8900 r/min |
| Limiting speed | nG | 14200 r/min |
| Mass | ≈m | 0.369 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Internal clearance | C4 (Group 4) — Internal clearance larger than C3 | |
| Cage | TVP2 — Solid Window Cage made from PA66 | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Product characteristics5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design | E | Increased Capacity Design |
| Cage | TVP2 | Solid Window Cage made from PA66 |
| Radial internal clearance | C4 (Group 4) | Internal clearance larger than C3 |
| 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 | 30 mm1.181 in |
| Outside diameter | D | 72 mm2.835 in |
| Width | B | 19 mm0.748 in |
| Basic dynamic load rating, radial | Cr | 61,000 N13,714.029 lbf |
| Basic static load rating, radial | C0r | 48,000 N10,791.367 lbf |
| Fatigue load limit, radial | Cur | 6,200 N1,393.885 lbf |
| Limiting speed | nG | 14,200 1/min |
| Reference speed | nϑr | 8,900 1/min |
| Mass | ≈m | 369 g13.016 oz |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 37 mm1.457 in |
| Maximum diameter of shaft shoulder | da max | 40 mm1.575 in |
| Minimum shaft shoulder | db min | 44 mm1.732 in |
| Maximum diameter of housing shoulder | Da max | 65 mm2.559 in |
| Maximum recess radius | ra max | 1 mm0.039 in |
| Maximum recess radius | ra1 max | 1 mm0.039 in |
Dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 1.1 mm0.043 in |
| Minimum chamfer dimension | r1 min | 1.1 mm0.043 in |
| Axial displacement | s | 1.2 mm0.047 in |
| Raceway diameter outer ring | E | 62.5 mm2.461 in |
| Raceway diameter inner ring | F | 40.5 mm1.594 in |
| Minimum rib diameter outer ring | D1 min | 59.2 mm2.331 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 120 °C248 °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 Identity9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 370817 | |
| Brand | FAG | |
| Base Type | NU306 | |
| X Life Marking | XL | |
| SAP material number | 0167397280040 | |
| Base product | 2305090102 | |
| Bearing X designation | NU306-E-XL-TVP2-C4 | |
| Mounting Manager ID | NU306-E-XL-TVP2-C4 | |
| Grease application ID | NU306-E-XL-TVP2-C4 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Cylindrical roller bearing NU..-E-XL-TVP2, 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) | 30 mm | |
| Outside Diamater (D) | 72 mm | |
| Total Width (B) | 19 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 61,000 N | |
| Basic Static Load Rating, Radial (C0R) | 48,000 N | |
| Raceway Diameter Inner Ring (F) | 40.5 mm | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Minimum Diameter Shaft Shoulder (Da) | 37 mm | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Limiting Speed (Limiting Spe) | 14,200 1/min | |
| Reference Speed (Nϑr) | 8,900 1/min | |
| Maximum Recess Radius (Ra Max) | 1 mm | |
| Maximum Diameter Of Housing Shoulder (Da) | 65 mm | |
| Minimum Chamfer Dimension (R1 Min) | 1.1 mm | |
| Axial Displacement (S) | 1.2 mm | |
| Minimum Rib Diameter Outer Ring (D1 Min) | 59.2 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 40 mm | |
| Maximum Recess Radius (Ra1 Max) | 1 mm | |
| Minimum Chamfer Dimension (Rmin) | 1.1 mm | |
| Raceway Diameter Outer Ring (E) | 62.5 mm | |
| Minimum Shaft Shoulder (Db Min) | 44 mm | |
| Fatigue Load Limit, Radial (Cur) | 6,200 N |
