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 | 20306 | |
| Bore diameter | d | 30 mm |
| Outside diameter | D | 72 mm |
| Width | B | 19 mm |
| Basic dynamic load rating | C | 48.5 kN |
| Basic static load rating | C0 | 48.5 kN |
| Fatigue load limit | Pu | 4.35 kN |
| Limiting speed | nG | 8800 r/min |
| Mass | ≈m | 0.37 kg |
| Internal clearance | CN (Group N) — Normal internal clearance | |
| Cage | TVP — Plastic cage | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 120 °C |
Product characteristics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore type | Z | Cylindrical |
| Cage | TVP | Plastic cage |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
Main Dimensions & Performance Data8 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 | 48,500 N10,903.777 lbf |
| Basic static load rating, radial | C0r | 48,500 N10,903.777 lbf |
| Fatigue load limit, radial | Cur | 4,350 N977.968 lbf |
| Limiting speed | nG | 8,800 1/min |
| Mass | ≈m | 370 g13.051 oz |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 37 mm1.457 in |
| Maximum diameter of housing shoulder | Da max | 65 mm2.559 in |
| Maximum recess radius | ra max | 1 mm0.039 in |
Dimensions2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 1.1 mm0.043 in |
| Bore diameter outer ring | D1 | 60.7 mm2.39 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 120 °C248 °F |
Capabilities & suitability8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Axial load capacity in one direction | Yes | |
| Axial load capacity in both directions | Yes | |
| Suitable for grease lubrication | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes | |
| Staticangularerrorandmisalignment | Yes | |
| Dynamicangularerrorandmisalignment | Yes |
Manufacturer Identity7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 393166 | |
| Brand | FAG | |
| Base Type | 20306 | |
| Old Designation | ["20306T"] | |
| X Life Marking | n.r. | |
| SAP material number | 0167020770000 | |
| Base product | 2305091290 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Barrel roller bearings 203, main dimensions to DIN 635-1 | |
| Short Description | Barrel roller bearing |
Technical Data14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 30 mm | |
| Outside Diameter (D) | 72 mm | |
| Width (B) | 19 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 48,500 N | |
| Basic Static Load Rating, Radial (C0R) | 48,500 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 8,800 1/min | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Maximum Recess Radius (Ra Max) | 1 mm | |
| Bore Diameter Outer Ring (D1) | 60.7 mm | |
| Fatigue Load Limit, Radial (Cur) | 4,350 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 37 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 65 mm | |
| Minimum Chamfer Dimension (Rmin) | 1.1 mm |
