Cross-brand designation analysis
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Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
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One base designation across loaded brands
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Dimensions verified
“33115” across 3 loaded brands
At least two brands share the same bore, outside diameter and width. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | FAG3311575 × 125 × 37 mm | TIMKEN3311575 × 125 × 37 mm | KOYO33115JR75 × 125 × 37 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | FAG | TIMKEN | KOYO |
| Designation | 33115 | 33115 | 33115JR |
| Product family | — | TS - Tapered Single | Single-row / Metric series |
| Detailed type | Tapered roller bearings | Tapered roller bearings | Tapered roller bearings |
| Series | — | 33115 | — |
| Bore diameterd | 75 mm | 75 mm | 75 mm |
| Outside diameterD | 125 mm | 125 mm | 125 mm |
| WidthB | 37 mm | 37 mm | 37 mm |
| Basic dynamic load ratingC | 178 kN | 205 kN | 234 kN |
| Basic static load ratingC0 | 275 kN | 287 kN | 280 kN |
| Fatigue load limitPu | 35 kN | — | 43.4 kN |
| Reference speednref | 3300 r/min | — | — |
| Limiting speednG | 5400 r/min | — | 3000 r/min |
| Mass≈m | 1.788 kg | 1.76 kg | 1.84 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 | 120 °C | — | — |
| Additional information | |||
| Comparative designation to ISO 10317 and ISO 355 | T3DE075 | — | — |
| Calculation Factors | |||
| K Factor | — | 1.47 | — |
| Y1 Factor | — | 1.51 | — |
| Y2 Factor | — | 0.00 | — |
| Y0 Factor | — | 0.83 | — |
| E Factor | — | 0.40 | — |
| Cg Factor | — | 0.0851 | — |
| Calculation factors | |||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | 0.4 | — | — |
| Dynamic axial load factorY | 1.51 | — | — |
| Static axial load factorY0 | 0.83 | — | — |
| 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 mm | — | — |
| Minimum chamfer dimension of inner ring back facer1, 2 min | 0.079 in | — | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 1.5 mm | — | — |
| Minimum chamfer dimension of outer ring back facer3, 4 min | 0.059 in | — | — |
| Distance between the apexes of the pressure conesa | 30 mm | — | — |
| Distance between the apexes of the pressure conesa | 1.181 in | — | — |
| Guidance rib diameter of inner ringd1 | 101.9 mm | — | — |
| Guidance rib diameter of inner ringd1 | 4.012 in | — | — |
| Main Dimensions & Performance Data | |||
| Width, inner ringB | 37 mm | — | — |
| Width, inner ringB | 1.457 in | — | — |
| Width, outer ringC | 29 mm | — | — |
| Width, outer ringC | 1.142 in | — | — |
| Width, totalT | 37 mm | — | — |
| Width, totalT | 1.457 in | — | — |
| Basic dynamic load rating, radialCr | 178,000 N | — | — |
| Basic dynamic load rating, radialCr | 40,017.986 lbf | — | — |
| Basic static load rating, radialC0r | 275,000 N | — | — |
| Basic static load rating, radialC0r | 61,825.54 lbf | — | — |
| Fatigue load limit, radialCur | 35,000 N | — | — |
| Fatigue load limit, radialCur | 7,868.705 lbf | — | — |
| Thermal speed ratingnϑr | 3,300 1/min | — | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | 383828 | — | — |
| Material Number | — | 000000000100027763 | — |
| Official Class Key | — | — | 050-010-010 |
| Base Type | 33115 | — | — |
| World Assembly Part Number | — | X33115_Y33115 | — |
| Gpsd Group | F04 | — | — |
| Inner Ring Part Number | — | X33115 | — |
| Product Line Id | 64 | — | — |
| Outer Ring Part Number | — | Y33115 | — |
| X Life Marking | n.r. | — | — |
| Drawing Number | — | A-38603 | — |
| Upc | — | 0053893260006 | — |
| Official Source System | — | CORE BP - DS DF | — |
| Official Last Run | — | 2026-08-23T20:02:47.16 | — |
| SAP material number | 0167137530000 | — | — |
| Base product | 2305091001 | — | — |
| Bearing X designation | 33115 | — | — |
| Mounting Manager ID | 33115 | — | — |
| Grease application ID | 33115 | — | — |
| Mounting dimensions | |||
| Maximum diameter of shaft shoulderda max | 84 mm | — | — |
| Maximum diameter of shaft shoulderda max | 3.307 in | — | — |
| Minimum diameter of shaft shoulderdb min | 84 mm | — | — |
| Minimum diameter of shaft shoulderdb min | 3.307 in | — | — |
| Minimum diameter of housing shoulderDa min | 109 mm | — | — |
| Minimum diameter of housing shoulderDa min | 4.291 in | — | — |
| Maximum diameter of housing shoulderDa max | 116 mm | — | — |
| Maximum diameter of housing shoulderDa max | 4.567 in | — | — |
| Minimum diameter of housing shoulderDb min | 120 mm | — | — |
| Minimum diameter of housing shoulderDb min | 4.724 in | — | — |
| Minimum axial spaceCa min | 6 mm | — | — |
| Minimum axial spaceCa min | 0.236 in | — | — |
| Minimum axial spaceCb min | 8 mm | — | — |
| Minimum axial spaceCb min | 0.315 in | — | — |
| Maximum fillet radius of shaftra max | 2 mm | — | — |
| Maximum fillet radius of shaftra max | 0.079 in | — | — |
| Maximum fillet radius of housingrb max | 1.5 mm | — | — |
| Maximum fillet radius of housingrb max | 0.059 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 331, main dimensions acc. to DIN 720, separable | Single Row Tapered Roller Bearing Assembly | Imperial Series | 2.9528 in Bore | 4.9213 in OD | 1.4567 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 | — | — | 125 mm |
| T | — | — | 37 mm |
| B | — | — | 37 mm |
| Bore Diameter (D) | 75 mm | — | — |
| C | — | — | 29 mm |
| Outside Diameter (D) | 125 mm | — | — |
| Overall Width | — | 42.300 mm | — |
| R(Min.) | — | — | 2 mm |
| Width (B) | 37 mm | — | — |
| Radial Rating | — | 53,000 N | — |
| R1(Min.) | — | — | 1.5 mm |
| Basic Dynamic Load Rating, Radial (Cr) | 178,000 N | — | — |
| Axial Rating | — | 36,100 N | — |
| Basic Load Ratings : Cr | — | — | 234 kN |
| Basic Static Load Rating, Radial (C0R) | 275,000 N | — | — |
| Dynamic Rating C1 | — | 205,000 N | — |
| Basic Load Ratings : C0R | — | — | 280 kN |
| Operating Temperature Min. (Tmin) | -30 °C | — | — |
| Dynamic Rating C90 | — | 53,000 N | — |
| Fatigue Load Limit : Cu | — | — | 43.4 kN |
| Limiting Speed (Ng) | 5,400 1/min | — | — |
| Dynamic Axial Rating Ca90 | — | 36,100 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 3000 min-1 |
| Operating Temperature Max. (Tmax) | 120 °C | — | — |
| Dynamic Axial Rating Ca1 | — | 139,000 N | — |
| Limiting Speeds(Oil Lub.) | — | — | 4000 min-1 |
| Reference Speed (Nϑr) | 3,300 1/min | — | — |
| Static Radial Rating C0 | — | 287,000 N | — |
| Load Center Spread : A | — | — | 29.3 mm |
| Maximum Fillet Radius Of Housing (Rb Max) | 1.5 mm | — | — |
| Extended Dynamic Rating Ce | — | 0 N | — |
| Constant E | — | — | 0.40 |
| Minimum Chamfer Dimension Of Outer Ring Back Face (R3, 4 M) | 1.5 mm | — | — |
| Static Axial Rating C0A | — | 332,000 N | — |
| Axial Load Factors : Y1 | — | — | 1.51 |
| Minimum Diameter Of Housing Shoulder (Da Min) | 109 mm | — | — |
| Axial Load Factors : Y0 | — | — | 0.83 |
| Minimum Diameter Of Housing Shoulder (Db Min) | 120 mm | — | — |
| Da(Min.) | — | — | 109 mm |
| Width, Outer Ring (C) | 29 mm | — | — |
| Db(Max.) | — | — | 84 mm |
| Fatigue Load Limit, Radial (Cur) | 35,000 N | — | — |
| Da(Max.) | — | — | 116.5 mm |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | 0.4 | — | — |
| Db(Min.) | — | — | 120 mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 84 mm | — | — |
| Sa(Min.) | — | — | 6 mm |
| Minimum Diameter Of Shaft Shoulder (Db Min) | 84 mm | — | — |
| Sb(Min.) | — | — | 8 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | 116 mm | — | — |
| Ra(Max.) | — | — | 2 mm |
| Dynamic Axial Load Factor (Y) | 1.51 | — | — |
| Rb(Max.) | — | — | 1.5 mm |
| Maximum Fillet Radius (Ra Max) | 2 mm | — | — |
| Mass(Refer.) | — | — | 1.84 kg |
| Minimum Axial Space (Cb Min) | 8 mm | — | — |
| Minimum Chamfer Dimension Of Inner Ring Back Face (R1, 2 M) | 2 mm | — | — |
| Guidance Rib Diameter Of Inner Ring (D1) | 101.9 mm | — | — |
| Minimum Axial Space (Ca Min) | 6 mm | — | — |
| Width, Inner Ring (B) | 37 mm | — | — |
| Static Axial Load Factor (Y0) | 0.83 | — | — |
| Distance Between The Apexes Of The Pressure Cones (A) | 30 mm | — | — |
| Temperature range | |||
| Operating temperature min.Tmin | -30 °C | — | — |
| Operating temperature min.Tmin | -22 °F | — | — |
| Operating temperature max.Tmax | 120 °C | — | — |
| Operating temperature max.Tmax | 248 °F | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.