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 | 20311 | |
| Bore diameter | d | 55 mm |
| Outside diameter | D | 120 mm |
| Width | B | 29 mm |
| Basic dynamic load rating | C | 120 kN |
| Basic static load rating | C0 | 138 kN |
| Fatigue load limit | Pu | 12.6 kN |
| Limiting speed | nG | 5400 r/min |
| Mass | ≈m | 1.49 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 | K | Tapered, taper 1:12 |
| Cage | TVP | Plastic cage |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
Main Dimensions & Performance Data8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 55 mm2.165 in |
| Outside diameter | D | 120 mm4.724 in |
| Width | B | 29 mm1.142 in |
| Basic dynamic load rating, radial | Cr | 120,000 N26,978.417 lbf |
| Basic static load rating, radial | C0r | 138,000 N31,025.18 lbf |
| Fatigue load limit, radial | Cur | 12,600 N2,832.734 lbf |
| Limiting speed | nG | 5,400 1/min |
| Mass | ≈m | 1.49 kg3.285 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 66 mm2.598 in |
| Maximum diameter of housing shoulder | Da max | 109 mm4.291 in |
| Maximum recess radius | ra max | 2 mm0.079 in |
| Maximum diameter of shaft shoulder | da max | 72 mm2.835 in |
| Minimum cavity diameter of the sleeve | db min | 60 mm2.362 in |
| Minimum cavity width of the sleeve | Ba min | 6 mm0.236 in |
Dimensions1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 2 mm0.079 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 Identity4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 1717928 | |
| Brand | FAG | |
| Base Type | 20311 | |
| Base product | 2305091290 |
Product Identity1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Short Description | Barrel roller bearing |
Additional information1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Adapter sleeve | H311 |
Technical Data16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 55 mm | |
| Outside Diameter (D) | 120 mm | |
| Width (B) | 29 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 120,000 N | |
| Basic Static Load Rating, Radial (C0R) | 138,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 5,400 1/min | |
| Operating Temperature Max. (Tmax) | 120 °C | |
| Maximum Recess Radius (Ra Max) | 2 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 72 mm | |
| Minimum Cavity Width Of The Sleeve (Ba Min) | 6 mm | |
| Fatigue Load Limit, Radial (Cur) | 12,600 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 66 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 109 mm | |
| Minimum Chamfer Dimension (Rmin) | 2 mm | |
| Minimum Cavity Diameter Of The Sleeve (Db Min) | 60 mm |
