Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications17 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | 6021 | |
| Bore diameter | d | 105 mm |
| Outside diameter | D | 160 mm |
| Width | B | 26 mm |
| Basic dynamic load rating | C | 75 kN |
| Basic static load rating | C0 | 64 kN |
| Fatigue load limit | Pu | 3.55 kN |
| Reference speed | nref | 4950 r/min |
| Limiting speed | nG | 5700 r/min |
| Mass | ≈m | 1.61 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Internal clearance | C3 (Group 3) — Internal clearance larger than CN | |
| Sealing | Z — Non-contact shield on one Side | |
| Cage | JN — Steel sheet metal | |
| Lubricant | Without — Bearing not greased | |
| Minimum operating temperature | Tmin | -30 °C |
| Maximum operating temperature | Tmax | 150 °C |
Precision classification2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial ball bearing tolerance equivalent | ABEC 1Derived from ISO Normal; not a direct ABEC marking | |
| Mapping basis | ISO 492 / ANSI/ABMA 20The original manufacturer tolerance remains the controlling value. |
Product characteristics7 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Type of Seal | Z | Non-contact shield on one Side |
| Cage | JN | Steel sheet metal |
| Tolerance class | PN | Normal (ISO 492:2023) |
| Dimensional / heat stabilization | S0 | Rings dimensional stabilized up to 150° |
| Lubricant | Without | Bearing not greased |
| Radial internal clearance | C3 (Group 3) | Internal clearance larger than CN |
| Bore type | Z | Cylindrical |
Main Dimensions & Performance Data9 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 105 mm4.134 in |
| Outside diameter | D | 160 mm6.299 in |
| Width | B | 26 mm1.024 in |
| Basic dynamic load rating, radial | Cr | 75,000 N16,861.511 lbf |
| Basic static load rating, radial | C0r | 64,000 N14,388.489 lbf |
| Fatigue load limit, radial | Cur | 3,550 N798.112 lbf |
| Limiting speed | nG | 5,700 1/min |
| Reference speed | nϑr | 4,950 1/min |
| Mass | ≈m | 1.61 kg3.549 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 113.8 mm4.48 in |
| Maximum diameter of housing shoulder | Da max | 151.2 mm5.953 in |
| Maximum fillet radius | ra max | 2 mm0.079 in |
Dimensions4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum chamfer dimension | rmin | 2 mm0.079 in |
| Shoulder diameter outer ring | D1 | 142.52 mm5.611 in |
| Caliber diameter outer ring | D2 | 145.28 mm5.72 in |
| Shoulder diameter inner ring | d1 | 121.7 mm4.791 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -30 °C-22 °F |
| Operating temperature max. | Tmax | 150 °C302 °F |
Calculation factors1 parameter
| Parameter | Symbol | Value |
|---|---|---|
| Calculation factor | f0 | 15.7 |
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 | |
| Sealedononeside | Yes |
Manufacturer Identity10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 350045 | |
| Brand | FAG | |
| Base Type | 6021 | |
| Old Designation | ["6021ZR.C3"] | |
| X Life Marking | n.r. | |
| SAP material number | 0384044190030 | |
| Base product | 2305080101 | |
| Bearing X designation | 6021-Z-C3 | |
| Mounting Manager ID | 6021-Z-C3 | |
| Grease application ID | 6021-Z-C3 |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Deep groove ball bearing 60..-Z, single row, shield , steel sheet metal cage | |
| Short Description | Deep groove ball bearing |
Technical Data18 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 105 mm | |
| Outside Diameter (D) | 160 mm | |
| Width (B) | 26 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 75,000 N | |
| Basic Static Load Rating, Radial (C0R) | 64,000 N | |
| Operating Temperature Min. (Tmin) | -30 °C | |
| Limiting Speed (Ng) | 5,700 1/min | |
| Operating Temperature Max. (Tmax) | 150 °C | |
| Reference Speed (Nϑr) | 4,950 1/min | |
| Calculation Factor (F0) | 15.7 | |
| Fatigue Load Limit, Radial (Cur) | 3,550 N | |
| Minimum Diameter Shaft Shoulder (Da Min) | 113.8 mm | |
| Shoulder Diameter Inner Ring (D1) | 121.7 mm | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 151.2 mm | |
| Minimum Chamfer Dimension (Rmin) | 2 mm | |
| Maximum Fillet Radius (Ra Max) | 2 mm | |
| Shoulder Diameter Outer Ring (D1) | 142.52 mm | |
| Caliber Diameter Outer Ring (D1) | 145.28 mm |
