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| Parameter | FAG32938190 × 260 × 45 mm | TIMKEN32938190 × 260 × 45 mm | KOYO32938JR190 × 260 × 45 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | FAG | TIMKEN | KOYO |
| Designation | 32938 | 32938 | 32938JR |
| Product family | — | TS - Tapered Single | Single-row / Metric series |
| Detailed type | Tapered roller bearings | Tapered roller bearings | Tapered roller bearings |
| Series | — | 32938 | — |
| Bore diameterd | 190 mm | 190 mm | 190 mm |
| Outside diameterD | 260 mm | 260 mm | 260 mm |
| WidthB | 45 mm | 45 mm | 45 mm |
| Basic dynamic load ratingC | 370 kN | 398 kN | 459 kN |
| Basic static load ratingC0 | 750 kN | 833 kN | 789 kN |
| Fatigue load limitPu | 90 kN | — | 88.6 kN |
| Reference speednref | 1560 r/min | — | — |
| Limiting speednG | 2490 r/min | — | 1200 r/min |
| Mass≈m | 6.8 kg | 6.9 kg | 6.89 kg |
| Precision class | P6X — Class 6X (ISO 492:2023) | ABMA Class K | — |
| Sealing | — | Open | — |
| Cage | Standard — Sheet steel cage, window cage, roller-guided | Steel cage | — |
| Minimum operating temperatureTmin | -30 °C | — | — |
| Maximum operating temperatureTmax | 200 °C | — | — |
| Additional information | |||
| Comparative designation to ISO 10317 and ISO 355 | T4DC190 | — | — |
| Calculation Factors | |||
| K Factor | — | 1.22 | — |
| Y1 Factor | — | 1.26 | — |
| Y2 Factor | — | 0.00 | — |
| Y0 Factor | — | 0.69 | — |
| E Factor | — | 0.48 | — |
| Cg Factor | — | 0.1291 | — |
| Calculation factors | |||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | 0.48 | — | — |
| Dynamic axial load factorY | 1.26 | — | — |
| Static axial load factorY0 | 0.69 | — | — |
| Capabilities & suitability | |||
| Radial load capacity | Yes | — | — |
| Axial load capacity in one direction | Yes | — | — |
| Suitable for grease lubrication | Yes | — | — |
| Suitable for oil lubrication | Yes | — | — |
| Unsealed design | Yes | — | — |
| Classification | |||
| Official Category Path | — | — | Tapered roller bearings - Single-row - Metric series |
| Official Classification 1 | — | — | Tapered roller bearings / Single-row / Metric series |
| Dimensions | |||
| Minimum chamfer dimension of inner ring back facer1, 2 min | 2.5 mm | — | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.098 in | — | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 2 mm | — | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 0.079 in | — | — |
| Distance between the apexes of the pressure conesa | 55 mm | — | — |
| Distance between the apexes of the pressure conesa | 2.165 in | — | — |
| Guidance rib diameter of inner ringd1 | 227 mm | — | — |
| Guidance rib diameter of inner ringd1 | 8.937 in | — | — |
| Main Dimensions & Performance Data | |||
| Width, inner ringB | 45 mm | — | — |
| Width, inner ringB | 1.772 in | — | — |
| Width, outer ringC | 34 mm | — | — |
| Width, outer ringC | 1.339 in | — | — |
| Width, totalT | 45 mm | — | — |
| Width, totalT | 1.772 in | — | — |
| Basic dynamic load rating, radialCr | 370,000 N | — | — |
| Basic dynamic load rating, radialCr | 83,183.453 lbf | — | — |
| Basic static load rating, radialC0r | 750,000 N | — | — |
| Basic static load rating, radialC0r | 168,615.108 lbf | — | — |
| Fatigue load limit, radialCur | 90,000 N | — | — |
| Fatigue load limit, radialCur | 20,233.813 lbf | — | — |
| Thermal speed ratingnϑr | 1,560 1/min | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | 383762 | — | — |
| Material Number | — | 000000000190032757 | — |
| Official Class Key | — | — | 050-010-010 |
| Base Type | 32938 | — | — |
| World Assembly Part Number | — | X32938M_Y32938M | — |
| Gpsd Group | F04 | — | — |
| Inner Ring Part Number | — | X32938M | — |
| Product Line Id | 64 | — | — |
| Outer Ring Part Number | — | Y32938M | — |
| X Life Marking | n.r. | — | — |
| Drawing Number | — | C-89172 | — |
| Upc | — | 0053893072401 | — |
| Official Source System | — | CORE BP - DS DF | — |
| Official Last Run | — | 2026-08-23T20:02:48.493 | — |
| SAP material number | 0167132730000 | — | — |
| Base product | 2305091001 | — | — |
| Bearing X designation | 32938 | — | — |
| Mounting Manager ID | 32938 | — | — |
| Grease application ID | 32938 | — | — |
| Mounting dimensions | |||
| Maximum diameter of shaft shoulderda max | 204 mm | — | — |
| Maximum diameter of shaft shoulderda max | 8.031 in | — | — |
| Minimum diameter of shaft shoulderdb min | 200 mm | — | — |
| Minimum diameter of shaft shoulderdb min | 7.874 in | — | — |
| Minimum diameter of housing shoulderDa min | 235 mm | — | — |
| Minimum diameter of housing shoulderDa min | 9.252 in | — | — |
| Maximum diameter of housing shoulderDa max | 249 mm | — | — |
| Maximum diameter of housing shoulderDa max | 9.803 in | — | — |
| Minimum diameter of housing shoulderDb min | 251 mm | — | — |
| Minimum diameter of housing shoulderDb min | 9.882 in | — | — |
| Minimum axial spaceCa min | 8 mm | — | — |
| Minimum axial spaceCa min | 0.315 in | — | — |
| Minimum axial spaceCb min | 11 mm | — | — |
| Minimum axial spaceCb min | 0.433 in | — | — |
| Maximum fillet radius of shaftra max | 2.5 mm | — | — |
| Maximum fillet radius of shaftra max | 0.098 in | — | — |
| Maximum fillet radius of housingrb max | 2 mm | — | — |
| Maximum fillet radius of housingrb max | 0.079 in | — | — |
| Product characteristics | |||
| Tolerance classP6X | Class 6X (ISO 492:2023) | — | — |
| Heat treatment | Standard | — | — |
| Internal design | Standard | — | — |
| Quality level | Standard | — | — |
| Number of rows1 | Single-row design | — | — |
| Product Identity | |||
| Construction | Tapered roller bearings 329, main dimensions acc. to DIN 720, separable | Single Row Tapered Roller Bearing Assembly | Imperial Series | 7.4803 in Bore | 10.2362 in OD | 1.7720 in Width | Open | Cylindrical Bore | Steel Cage | Precision ABMA Class K | — |
| Short Description | Tapered roller bearing | — | — |
| Type Description | — | TS - Tapered Single | — |
| Number Of Rows | — | 1 | — |
| Tapered Bore | — | N | — |
| Technical Data | |||
| d | — | — | 260 mm |
| T | — | — | 45 mm |
| B | — | — | 45 mm |
| Bore Diameter (D) | 190 mm | — | — |
| C | — | — | 34 mm |
| Outside Diameter (D) | 260 mm | — | — |
| Overall Width | — | 52.100 mm | — |
| R(Min.) | — | — | 2.5 mm |
| Width (B) | 45 mm | — | — |
| Radial Rating | — | 103,000 N | — |
| R1(Min.) | — | — | 2 mm |
| Basic Dynamic Load Rating, Radial (Cr) | 370,000 N | — | — |
| Axial Rating | — | 84,300 N | — |
| Basic Load Ratings : Cr | — | — | 459 kN |
| Basic Static Load Rating, Radial (C0R) | 750,000 N | — | — |
| Dynamic Rating C1 | — | 398,000 N | — |
| Basic Load Ratings : C0R | — | — | 789 kN |
| Operating Temperature Min. (Tmin) | -30 °C | — | — |
| Dynamic Rating C90 | — | 103,000 N | — |
| Fatigue Load Limit : Cu | — | — | 88.6 kN |
| Limiting Speed (Ng) | 2,490 1/min | — | — |
| Dynamic Axial Rating Ca90 | — | 84,300 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 1200 min-1 |
| Operating Temperature Max. (Tmax) | 200 °C | — | — |
| Dynamic Axial Rating Ca1 | — | 325,000 N | — |
| Limiting Speeds(Oil Lub.) | — | — | 1600 min-1 |
| Reference Speed (Nϑr) | 1,560 1/min | — | — |
| Static Radial Rating C0 | — | 833,000 N | — |
| Load Center Spread : A | — | — | 55.0 mm |
| Maximum Fillet Radius Of Housing (Rb Max) | 2 mm | — | — |
| Extended Dynamic Rating Ce | — | 0 N | — |
| Constant E | — | — | 0.48 |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 2 mm | — | — |
| Static Axial Rating C0A | — | 1,160,000 N | — |
| Axial Load Factors : Y1 | — | — | 1.26 |
| Minimum Diameter Of Housing Shoulder (Da Min) | 235 mm | — | — |
| Axial Load Factors : Y0 | — | — | 0.69 |
| Minimum Diameter Of Housing Shoulder (Db Min) | 251 mm | — | — |
| Da(Min.) | — | — | 235 mm |
| Width, Outer Ring (C) | 34 mm | — | — |
| Db(Max.) | — | — | 204 mm |
| Fatigue Load Limit, Radial (Cur) | 90,000 N | — | — |
| Da(Max.) | — | — | 250 mm |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.48 | — | — |
| Db(Min.) | — | — | 252 mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 204 mm | — | — |
| Sa(Min.) | — | — | 8 mm |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 200 mm | — | — |
| Sb(Min.) | — | — | 11 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | 249 mm | — | — |
| Ra(Max.) | — | — | 2 mm |
| Dynamic Axial Load Factor (Y) | 1.26 | — | — |
| Rb(Max.) | — | — | 2 mm |
| Maximum Fillet Radius (Ra Max) | 2.5 mm | — | — |
| Mass(Refer.) | — | — | 6.89 kg |
| Minimum Axial Space (Cb Min) | 11 mm | — | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 2.5 mm | — | — |
| Guidance Rib Diameter Of Inner Ring (D1) | 227 mm | — | — |
| Minimum Axial Space (Ca Min) | 8 mm | — | — |
| Width, Inner Ring (B) | 45 mm | — | — |
| Static Axial Load Factor (Y0) | 0.69 | — | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 55 mm | — | — |
| Temperature range | |||
| Operating temperature min.Tmin | -30 °C | — | — |
| Operating temperature min.Tmin | -22 °F | — | — |
| Operating temperature max.Tmax | 200 °C | — | — |
| Operating temperature max.Tmax | 392 °F | — | — |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.