Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications14 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | QJ307 | |
| Bore diameter | d | 35 mm |
| Outside diameter | D | 80 mm |
| Width | B | 21 mm |
| Basic dynamic load rating | C | 61 kN |
| Basic static load rating | C0 | 46.5 kN |
| Fatigue load limit | Pu | 3.2 kN |
| Reference speed | nref | 7200 r/min |
| Limiting speed | nG | 17900 r/min |
| Mass | ≈m | 0.56 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Cage | MPA — Solid brass cage, outer ring guided | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 150 °C |
Product characteristics4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Tolerance class | PN | Normal (ISO 492:2023) |
| Cage | MPA | Solid brass cage, outer ring guided |
| Dimensional / heat stabilization | S0 | Rings dimensional stabilized up to 150° |
| Axial internal clearance | C2 | Group 2 (C2), smaller than CN |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 35 mm1.378 in |
| Outside diameter | D | 80 mm3.15 in |
| Width | B | 21 mm0.827 in |
| Basic dynamic load rating, radial | Cr | 61,000 N13,714.029 lbf |
| Basic static load rating, radial | C0r | 46,500 N10,454.137 lbf |
| Fatigue load limit, radial | Cur | 3,200 N719.424 lbf |
| Limiting speed | nG | 17,900 1/min |
| Reference speed | nϑr | 7,200 1/min |
| Mass | ≈m | 0.56 kg1.235 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 44 mm1.732 in |
| Maximum diameter of housing shoulder | Da max | 71 mm2.795 in |
| Maximum fillet radius | ra max | 1.5 mm0.059 in |
Dimensions5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 1.5 mm0.059 in |
| Shoulder diameter outer ring | D1 | 64.75 mm2.549 in |
| Shoulder diameter inner ring | d1 | 50.75 mm1.998 in |
| Distance between the apexes of the pressure cones | a | 40.3 mm1.587 in |
| Contact angle | α | 35 ° |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 150 °C302 °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 | |
| Suitable for grease lubrication | Yes | |
| Suitable for oil lubrication | Yes | |
| Unsealed design | Yes |
Manufacturer Identity10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 366814 | |
| Brand | FAG | |
| Base Type | QJ307 | |
| Old Designation | ["QJ307-MPA-C2"] | |
| X Life Marking | XL | |
| SAP material number | 0167424780020 | |
| Base product | 230508AD41 | |
| Bearing X designation | QJ307-XL-MPA-C2 | |
| Mounting Manager ID | QJ307-XL-MPA-C2 | |
| Grease application ID | QJ307-XL-MPA-C2 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Four point contact bearing QJ3..-XL-MPA, X-life, solid brass cage | |
| Short Description | Four-point contact bearing |
Technical Data18 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 35 mm | |
| Outside Diameter (D) | 80 mm | |
| Width (B) | 21 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 61,000 N | |
| Basic Static Load Rating, Radial (C0R) | 46,500 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 17,900 1/min | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Reference Speed (Nϑr) | 7,200 1/min | |
| Fatigue Load Limit, Radial (Cur) | 3,200 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 44 mm | |
| Shoulder Diameter Inner Ring (D1) | 50.75 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 71 mm | |
| Minimum Chamfer Dimension (Rmin) | 1.5 mm | |
| Maximum Fillet Radius (Ra Max) | 1.5 mm | |
| Shoulder Diameter Outer Ring (D1) | 64.75 mm | |
| Contact Angle (Α) | 35 ° | |
| Distance Between The Apexes Of The Pressure Cones (A) | 40.3 mm |
