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 | QJ312 | |
| Bore diameter | d | 60 mm |
| Outside diameter | D | 130 mm |
| Width | B | 31 mm |
| Basic dynamic load rating | C | 152 kN |
| Basic static load rating | C0 | 126 kN |
| Fatigue load limit | Pu | 9.2 kN |
| Reference speed | nref | 4700 r/min |
| Limiting speed | nG | 10400 r/min |
| Mass | ≈m | 2.1 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 characteristics5 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Design, bearing outer ring | N2 | Two retaining grooves in the outer ring on one side |
| 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 | C3 | Group 3 (C3), bigger than CN |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 60 mm2.362 in |
| Outside diameter | D | 130 mm5.118 in |
| Width | B | 31 mm1.22 in |
| Basic dynamic load rating, radial | Cr | 152,000 N34,172.662 lbf |
| Basic static load rating, radial | C0r | 126,000 N28,327.338 lbf |
| Fatigue load limit, radial | Cur | 9,200 N2,068.345 lbf |
| Limiting speed | nG | 10,400 1/min |
| Reference speed | nϑr | 4,700 1/min |
| Mass | ≈m | 2.1 kg4.63 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 72 mm2.835 in |
| Maximum diameter of housing shoulder | Da max | 118 mm4.646 in |
| Maximum fillet radius | ra max | 2.1 mm0.083 in |
Dimensions9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 2.1 mm0.083 in |
| Shoulder diameter outer ring | D1 | 106.9 mm4.209 in |
| Shoulder diameter inner ring | d1 | 84.24 mm3.317 in |
| Distance between the apexes of the pressure cones | a | 66.5 mm2.618 in |
| Hight retaining slot | an | 8.1 mm0.319 in |
| Width retaining slot | bn | 6.5 mm0.256 in |
| Radius retaining slot | rn | 1 mm0.039 in |
| Angle retaining slot | 45 ° | |
| 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 | 366865 | |
| Brand | FAG | |
| Base Type | QJ312 | |
| Old Designation | ["QJ312-N2-MPA-C3"] | |
| X Life Marking | XL | |
| SAP material number | 0384024240030 | |
| Base product | 230508AD41 | |
| Bearing X designation | QJ312-XL-N2-MPA-C3 | |
| Mounting Manager ID | QJ312-XL-N2-MPA-C3 | |
| Grease application ID | QJ312-XL-N2-MPA-C3 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Four point contact bearing QJ3..-XL-N2-MPA, X-life, holding grooves, solid brass cage | |
| Short Description | Four-point contact bearing |
Technical Data22 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 60 mm | |
| Outside Diameter (D) | 130 mm | |
| Width (B) | 31 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 152,000 N | |
| Basic Static Load Rating, Radial (C0R) | 126,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 10,400 1/min | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Reference Speed (Nϑr) | 4,700 1/min | |
| Angle Retaining Slot (Angle Retain) | 45 ° | |
| Hight Retaining Slot (An) | 8.1 mm | |
| Radius Retaining Slot (Rn) | 1 mm | |
| Fatigue Load Limit, Radial (Cur) | 9,200 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 72 mm | |
| Shoulder Diameter Inner Ring (D1) | 84.24 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 118 mm | |
| Minimum Chamfer Dimension (Rmin) | 2.1 mm | |
| Maximum Fillet Radius (Ra Max) | 2.1 mm | |
| Shoulder Diameter Outer Ring (D1) | 106.9 mm | |
| Contact Angle (Α) | 35 ° | |
| Distance Between The Apexes Of The Pressure Cones (A) | 66.5 mm | |
| Width Retaining Slot (Bn) | 6.5 mm |
