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 | 3306 | |
| Bore diameter | d | 30 mm |
| Outside diameter | D | 72 mm |
| Width | B | 30.2 mm |
| Basic dynamic load rating | C | 43 kN |
| Basic static load rating | C0 | 29.5 kN |
| Fatigue load limit | Pu | 2.05 kN |
| Limiting speed | nG | 7800 r/min |
| Mass | ≈m | 0.56 kg |
| Precision class | P6 — Class 6 (ISO 492:2023) | |
| Sealing | 2HRS — Contact seal on both sides | |
| Cage | JH — Steel sheet metal | |
| Lubricant | GA13 — Ball bearing and insert bearing grease | |
| Minimum operating temperature | Tmin | -20 °C |
| Maximum operating temperature | Tmax | 100 °C |
Precision classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial ball bearing tolerance equivalent | ABEC 3Derived from ISO P6; not a direct ABEC marking | |
| Mapping basis | ISO 492 / ANSI/ABMA 20The original manufacturer tolerance remains the controlling value. |
Product characteristics8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design variant | B | Bearing without filling slot |
| Changed internal design | D | |
| Type of Seal | 2HRS | Contact seal on both sides |
| Cage | JH | Steel sheet metal |
| Tolerance class | P6 | Class 6 (ISO 492:2023) |
| Dimensional / heat stabilization | SN | Rings dimensional stabilized up to 120° |
| Lubricant | GA13 | Ball bearing and insert bearing grease |
| Axial internal clearance | C3 | Group 3 (C3), bigger than CN |
Main Dimensions & Performance Data8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 30 mm1.181 in |
| Outside diameter | D | 72 mm2.835 in |
| Width | B | 30.2 mm1.189 in |
| Basic dynamic load rating, radial | Cr | 43,000 N9,667.266 lbf |
| Basic static load rating, radial | C0r | 29,500 N6,632.194 lbf |
| Fatigue load limit, radial | Cur | 2,050 N460.881 lbf |
| Limiting speed | nG | 7,800 1/min |
| Mass | ≈m | 0.56 kg1.235 lbs |
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 fillet radius | ra max | 1 mm0.039 in |
Dimensions7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 1.1 mm0.043 in |
| Shoulder diameter outer ring | D1 | 60.47 mm2.381 in |
| Caliber diameter outer ring | D2 | 63.46 mm2.498 in |
| Shoulder diameter inner ring | d1 | 46.25 mm1.821 in |
| Caliber diamter inner ring | d2 | 44.35 mm1.746 in |
| Distance between the apexes of the pressure cones | a | 41.9 mm1.65 in |
| Contact angle | α | 30 ° |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -20 °C-4 °F |
| Operating temperature max. | Tmax | 100 °C212 °F |
Capabilities & suitability6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Axial load capacity in one direction | Yes | |
| Axial load capacity in both directions | Yes | |
| Lifetimelubricationfreedomfrommaintenance | Yes | |
| Suitable for grease lubrication | Yes | |
| Sealedonbothsides | Yes |
Manufacturer Identity10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 360874 | |
| Brand | FAG | |
| Base Type | 3306 | |
| Old Designation | ["3306-BD-2HRS-C3"] | |
| X Life Marking | XL | |
| SAP material number | 0822885850030 | |
| Base product | 2305080302 | |
| Bearing X designation | 3306-BD-XL-2HRS-C3 | |
| Mounting Manager ID | 3306-BD-XL-2HRS-C3 | |
| Grease application ID | 3306-BD-XL-2HRS-C3 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Angular contact ball bearing 33..-BD-XL-2HRS, double row, X-life, seals, steel sheet metal cage | |
| Short Description | Angular contact ball bearing |
Technical Data19 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 30 mm | |
| Outside Diameter (D) | 72 mm | |
| Width (B) | 30.2 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 43,000 N | |
| Basic Static Load Rating, Radial (C0R) | 29,500 N | |
| Operating Temperature Min. (Tmin) | -20 °C | |
| Limiting Speed (Ng) | 7,800 1/min | |
| Operating Temperature Max. (Tmax) | 100 °C | |
| Caliber Diameter Outer Ring (D2) | 63.46 mm | |
| Fatigue Load Limit, Radial (Cur) | 2,050 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 37 mm | |
| Shoulder Diameter Inner Ring (D1) | 46.25 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 65 mm | |
| Minimum Chamfer Dimension (Rmin) | 1.1 mm | |
| Caliber Diameter Inner Ring (D1) | 44.35 mm | |
| Maximum Fillet Radius (Ra Max) | 1 mm | |
| Shoulder Diameter Outer Ring (D1) | 60.47 mm | |
| Contact Angle (Α) | 30 ° | |
| Distance Between The Apexes Of The Pressure Cones (A) | 41.9 mm |
