Technical data
Product specifications
Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.
Core specifications16 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Series | 2308 | |
| Bore diameter | d | 40 mm |
| Outside diameter | D | 90 mm |
| Width | B | 33 mm |
| Basic dynamic load rating | C | 30 kN |
| Basic static load rating | C0 | 9.7 kN |
| Fatigue load limit | Pu | 0.61 kN |
| Limiting speed | nG | 5100 r/min |
| Mass | ≈m | 0.96 kg |
| Precision class | PN — Normal (ISO 492:2023) | |
| Internal clearance | CN (Group N) — Normal internal clearance | |
| Sealing | 2RS — Contact seal on both sides | |
| Cage | TVH — Solid cage made of glass-fiber reinforced polyamide PA66 | |
| Lubricant | GA13 — Ball bearing and insert bearing grease | |
| Minimum operating temperature | Tmin | -20 °C |
| Maximum operating temperature | Tmax | 100 °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 characteristics6 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore type | Z | Cylindrical |
| Type of Seal | 2RS | Contact seal on both sides |
| Cage | TVH | Solid cage made of glass-fiber reinforced polyamide PA66 |
| Tolerance class | PN | Normal (ISO 492:2023) |
| Radial internal clearance | CN (Group N) | Normal internal clearance |
| Lubricant | GA13 | Ball bearing and insert bearing grease |
Main Dimensions & Performance Data8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore diameter | d | 40 mm1.575 in |
| Outside diameter | D | 90 mm3.543 in |
| Width | B | 33 mm1.299 in |
| Basic dynamic load rating, radial | Cr | 30,000 N6,744.604 lbf |
| Basic static load rating, radial | C0r | 9,700 N2,180.755 lbf |
| Fatigue load limit, radial | Cur | 610 N137.14 lbf |
| Limiting speed | nG | 5,100 1/min |
| Mass | ≈m | 0.96 kg2.116 lbs |
Mounting dimensions3 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Minimum diameter shaft shoulder | da min | 49 mm1.929 in |
| Maximum diameter of housing shoulder | Da max | 81 mm3.189 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 | 74.714 mm2.941 in |
| Caliber diameter outer ring | D2 | 77.29 mm3.043 in |
| Shoulder diameter inner ring | d1 | 57.7 mm2.272 in |
| Caliber diameter inner ring | d2 | 50.95 mm2.006 in |
Temperature range2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Operating temperature min. | Tmin | -20 °C-4 °F |
| Operating temperature max. | Tmax | 100 °C212 °F |
Calculation factors4 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Y | e | 0.25 |
| Dynamic axial load factor | Y1 | 2.51 |
| Dynamic axial load factor | Y2 | 3.88 |
| Static axial load factor | Y0 | 2.63 |
Capabilities & suitability8 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Radial load capacity | Yes | |
| Axial load capacity in one direction | Yes | |
| Axial load capacity in both directions | Yes | |
| Lifetimelubricationfreedomfrommaintenance | Yes | |
| Suitable for grease lubrication | Yes | |
| Sealedonbothsides | Yes | |
| Staticangularerrorandmisalignment | Yes | |
| Dynamicangularerrorandmisalignment | Yes |
Manufacturer Identity10 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Schaeffler Product Code | 366172 | |
| Brand | FAG | |
| Base Type | 2308 | |
| Old Designation | ["2308.2RS.TV"] | |
| X Life Marking | n.r. | |
| SAP material number | 0167072300000 | |
| Base product | 2305080601 | |
| Bearing X designation | 2308-2RS-TVH | |
| Mounting Manager ID | 2308-2RS-TVH | |
| Grease application ID | 2308-2RS-TVH |
Product Identity2 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Construction | Self-aligning ball bearing 23..-2RS-TVH, seals, plastic cage | |
| Short Description | Self-aligning ball bearing |
Technical Data21 parameters
| Parameter | Symbol | Value |
|---|---|---|
| Bore Diameter (D) | 40 mm | |
| Outside Diameter (D) | 90 mm | |
| Width (B) | 33 mm | |
| Basic Dynamic Load Rating, Radial (Cr) | 30,000 N | |
| Basic Static Load Rating, Radial (C0R) | 9,700 N | |
| Operating Temperature Min. (Tmin) | -20 °C | |
| Limiting Speed (Ng) | 5,100 1/min | |
| Operating Temperature Max. (Tmax) | 100 °C | |
| Fatigue Load Limit, Radial (Cur) | 610 N | |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.25 | |
| Minimum Diameter Shaft Shoulder (Da Min) | 49 mm | |
| Shoulder Diameter Inner Ring (D1) | 57.7 mm | |
| Dynamic Axial Load Factor (Y1) | 2.51 | |
| Maximum Diameter Of Housing Shoulder (Da Max) | 81 mm | |
| Minimum Chamfer Dimension (Rmin) | 1.5 mm | |
| Caliber Diameter Inner Ring (D1) | 50.95 mm | |
| Maximum Fillet Radius (Ra Max) | 1.5 mm | |
| Shoulder Diameter Outer Ring (D1) | 74.714 mm | |
| Dynamic Axial Load Factor (Y2) | 3.88 | |
| Caliber Diameter Outer Ring (D1) | 77.29 mm | |
| Static Axial Load Factor (Y0) | 2.63 |
