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 | 20218 | |
| Bore diameter | d | 90 mm |
| Outside diameter | D | 160 mm |
| Width | B | 30 mm |
| Basic dynamic load rating | C | 174 kN |
| Basic static load rating | C0 | 220 kN |
| Fatigue load limit | Pu | 22.5 kN |
| Limiting speed | nG | 4550 r/min |
| Mass | ≈m | 2.63 kg |
| Internal clearance | CN (Group N) — Normal internal clearance | |
| Cage | MB — Solid brass cage | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 200 °C |
Product characteristics3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore type | K | Tapered, taper 1:12 |
| Cage | MB | Solid brass cage |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
Main Dimensions & Performance Data8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 90 mm3.543 in |
| Outside diameter | D | 160 mm6.299 in |
| Width | B | 30 mm1.181 in |
| Basic dynamic load rating, radial | Cr | 174,000 N39,118.705 lbf |
| Basic static load rating, radial | C0r | 220,000 N49,460.432 lbf |
| Fatigue load limit, radial | Cur | 22,500 N5,058.453 lbf |
| Limiting speed | nG | 4,550 1/min |
| Mass | ≈m | 2.63 kg5.798 lbs |
Mounting dimensions6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 101 mm3.976 in |
| Maximum diameter of housing shoulder | Da max | 149 mm5.866 in |
| Maximum recess radius | ra max | 2 mm0.079 in |
| Maximum diameter of shaft shoulder | da max | 108 mm4.252 in |
| Minimum cavity diameter of the sleeve | db min | 95 mm3.74 in |
| Minimum cavity width of the sleeve | Ba min | 6 mm0.236 in |
Dimensions2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 2 mm0.079 in |
| Bore diameter outer ring | D1 | 143.8 mm5.661 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 200 °C392 °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 | 393012 | |
| Brand | FAG | |
| Base Type | 20218 | |
| Old Designation | ["20218K.MB"] | |
| X Life Marking | n.r. | |
| SAP material number | 0384288220000 | |
| Base product | 2305091290 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Barrel roller bearing 202..-K-MB | |
| Short Description | Barrel roller bearing |
Additional information1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Adapter sleeve | H218 |
Technical Data17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 90 mm | |
| Outside Diameter (D) | 160 mm | |
| Width (B) | 30 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 174,000 N | |
| Basic Static Load Rating, Radial (C0R) | 220,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 4,550 1/min | |
| Operating Temperature Max. (Tmax) | 200 °C | |
| Maximum Recess Radius (Ra Max) | 2 mm | |
| Bore Diameter Outer Ring (D1) | 143.8 mm | |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 108 mm | |
| Minimum Cavity Width Of The Sleeve (Ba Min) | 6 mm | |
| Fatigue Load Limit, Radial (Cur) | 22,500 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 101 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 149 mm | |
| Minimum Chamfer Dimension (Rmin) | 2 mm | |
| Minimum Cavity Diameter Of The Sleeve (Db Min) | 95 mm |
