Cross-brand designation analysis
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You entered 1303-EM. This table explores the base group 1303; it does not preserve or approve every requested suffix. Search your complete marking first →
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One base designation across loaded brands
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Dimensions verified
“1303” across 4 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 | SKF1303 EM17 × 47 × 14 mm | FAG1303-TVH17 × 47 × 14 mm | NSK130317 × 47 × 14 mm | KOYO130317 × 47 × 14 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | NSK | KOYO |
| Designation | 1303 EM | 1303-TVH | 1303 | 1303 |
| Product family | Self-aligning ball bearings | — | Self-aligning ball bearing | Open type |
| Detailed type | Self-aligning ball bearings | Self-aligning ball bearings | Self-aligning ball bearings | Self-aligning ball bearings |
| Series | — | 1303 | — | — |
| Bore diameterd | 17 mm | 17 mm | 17 mm | 17 mm |
| Outside diameterD | 47 mm | 47 mm | 47 mm | 47 mm |
| WidthB | 14 mm | 14 mm | 14 mm | 14 mm |
| Basic dynamic load ratingC | 12.7 kN | 12.9 kN | 14 kN | 15.7 kN |
| Basic static load ratingC0 | 3.4 kN | 3.2 kN | 3.2 kN | 3.2 kN |
| Fatigue load limitPu | 0.176 kN | 0.202 kN | — | 0.2 kN |
| Reference speednref | 28000 r/min | 13300 r/min | — | — |
| Limiting speednG | 20000 r/min | 17800 r/min | — | 14000 r/min |
| Mass≈m | 0.13 kg | 0.065 kg | 0.13 kg | 0.13 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — |
| Sealing | Without | Without — Not sealed | — | Open |
| Cage | Machined brass | TVH — Solid cage made of glass-fiber reinforced polyamide PA66 | — | — |
| Bearing material | Bearing steel | — | — | — |
| Lubricant | None | Without — Bearing not greased | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — |
| Maximum operating temperatureTmax | — | 120 °C | — | — |
| Boundary dimensions | ||||
| Bearing widthB | — | — | 14 mm | — |
| Minimum bearing chamferr min. | — | — | 1 mm | — |
| Calculation factors | ||||
| Limiting value of Fa/Fr for the applicability of diff. Values of factors X and Ye | — | 0.32 | — | — |
| Dynamic axial load factorY1 | — | 1.94 | — | — |
| Dynamic axial load factorY2 | — | 3.01 | — | — |
| Static axial load factorY0 | — | 2.04 | 2.1 | — |
| Capabilities & suitability | ||||
| 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 | — | — |
| Classification | ||||
| Official Category Path | — | — | — | Self-aligning ball bearings - Open type |
| Official Classification 1 | — | — | — | Self-aligning ball bearings / Open type |
| Construction | ||||
| Bore construction | — | — | Cylindrical bore | — |
| Dimensions | ||||
| Minimum chamfer dimensionrmin | — | 1 mm | — | — |
| Minimum chamfer dimensionrmin | — | 0.039 in | — | — |
| Shoulder diameter outer ringD1 | — | 36.95 mm | — | — |
| Shoulder diameter outer ringD1 | — | 1.455 in | — | — |
| Shoulder diameter inner ringd1 | — | 26.71 mm | — | — |
| Shoulder diameter inner ringd1 | — | 1.052 in | — | — |
| Engineering — Abutment dimensions | ||||
| Abutment diameter shaftd a | min. 22.6 mm | — | — | — |
| Abutment diameter housingD a | max. 41.4 mm | — | — | — |
| Fillet radiusr a | max. 1 mm | — | — | — |
| Engineering — Calculation data | ||||
| Permissible angular misalignmentα | 3 ° | — | — | — |
| Calculation factork r | 0.04 | — | — | — |
| Limiting valuee | 0.3 | — | — | — |
| Calculation factorY 0 | 2.2 | — | — | — |
| Calculation factorY 1 | 2.1 | — | — | — |
| Calculation factorY 2 | 3.3 | — | — | — |
| Engineering — Dimensions | ||||
| Shoulder diameter inner ringd 1 | ≈ 28.88 mm | — | — | — |
| Shoulder diameter outer ringD 1 | ≈ 40 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 1 mm | — | — | — |
| Engineering — Engineering specifications | ||||
| Bore type | Cylindrical | — | — | — |
| Equivalent-load factors | ||||
| Dynamic load ratio thresholde | — | — | 0.32 | — |
| Dynamic axial factor above thresholdY2 | — | — | 3.1 | — |
| Dynamic axial factor at or below thresholdY3 | — | — | 2 | — |
| Load ratings | ||||
| Basic dynamic radial load ratingCr | — | — | 14000 N | — |
| Basic static radial load ratingC0r | — | — | 3200 N | — |
| Logistics | ||||
| Product net weight | 0.13 kg | — | — | — |
| eClass code | 23-05-08-06 | — | — | — |
| UNSPSC code | 31171532 | — | — | — |
| Lubrication-qualified speed | ||||
| Limiting speed with grease | — | — | 14000 r/min | — |
| Limiting speed with oil | — | — | 17000 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 12,900 N | — | — |
| Basic dynamic load rating, radialCr | — | 2,900.18 lbf | — | — |
| Basic static load rating, radialC0r | — | 3,200 N | — | — |
| Basic static load rating, radialC0r | — | 719.424 lbf | — | — |
| Fatigue load limit, radialCur | — | 202 N | — | — |
| Fatigue load limit, radialCur | — | 45.414 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 1750366 | — | — |
| Official Class Key | — | — | — | 030-010-000 |
| Base Type | — | 1303 | — | — |
| Product Line Id | — | 14 | — | — |
| X Life Marking | — | n.r. | — | — |
| Base product | — | 2305080601 | — | — |
| Bearing X designation | — | 1303-TVH | — | — |
| Mounting Manager ID | — | 1303-TVH | — | — |
| Grease application ID | — | 1303-TVH | — | — |
| Mounting dimensions | ||||
| Minimum shaft shoulder diameterda min. | — | — | 22 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 42 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | 1 mm | — |
| Minimum diameter shaft shoulderda min | — | 22.6 mm | — | — |
| Minimum diameter shaft shoulderda min | — | 0.89 in | — | — |
| Maximum diameter of housing shoulderDa max | — | 41.4 mm | — | — |
| Maximum diameter of housing shoulderDa max | — | 1.63 in | — | — |
| Maximum fillet radiusra max | — | 1 mm | — | — |
| Maximum fillet radiusra max | — | 0.039 in | — | — |
| Product characteristics | ||||
| Bore typeZ | — | Cylindrical | — | — |
| Type of SealWithout | — | Not sealed | — | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — | — |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance | — | — |
| Product identity | ||||
| Official product category | Self-aligning ball bearings | — | — | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/self-aligning-ball-bearings | — | — | — |
| Structure group ID | BJ1_001 | — | — | — |
| Available from SKF | Yes | — | — | — |
| Remanufacturable | No | — | — | — |
| Product Identity | ||||
| Construction | — | Self-aligning ball bearing 13..-TVH, plastic cage | — | — |
| Short Description | — | Self-aligning ball bearing | — | — |
| Properties | ||||
| Retaining feature, inner ring | None | — | — | — |
| Locating feature, bearing outer ring | Without | — | — | — |
| Number of rows | 2 | — | — | — |
| Radial internal clearance | CN | — | — | — |
| Tolerance class | Normal | — | — | — |
| Material, bearing | Bearing steel | — | — | — |
| Coating | Without | — | — | — |
| Relubrication feature | Without | — | — | — |
| Indicative carbon footprint for new product | 0.48 kg CO 2 e | — | — | — |
| Reference mass | ||||
| Approximate catalogue mass | — | — | 0.13 kg | — |
| Technical Data | ||||
| d | — | — | — | 47 mm |
| B | — | — | — | 14 mm |
| R(Min.) | — | — | — | 1 mm |
| Bore Diameter (D) | — | 17 mm | — | — |
| Basic Load Ratings : Cr | — | — | — | 15.7 kN |
| Outside Diameter (D) | — | 47 mm | — | — |
| Basic Load Ratings : C0R | — | — | — | 3.20 kN |
| Width (B) | — | 14 mm | — | — |
| Fatigue Load Limit : Cu | — | — | — | 0.20 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 12,900 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 14000 min-1 |
| Basic Static Load Rating, Radial (C0R) | — | 3,200 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 17000 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Constant :E | — | — | — | 0.33 |
| Limiting Speed (Ng) | — | 17,800 1/min | — | — |
| Axial Load Factors : Y1 | — | — | — | 1.92 |
| Operating Temperature Max. (Tmax) | — | 120 °C | — | — |
| Axial Load Factors : Y2 | — | — | — | 2.97 |
| Reference Speed (Nϑr) | — | 13,300 1/min | — | — |
| Axial Load Factors : Y0 | — | — | — | 2.01 |
| Fatigue Load Limit, Radial (Cur) | — | 202 N | — | — |
| Da(Min.) | — | — | — | 22 mm |
| Limiting Value Of Fa/Fr For The Applicability Of Diff. Values Of Factors X And Y (E) | — | 0.32 | — | — |
| Da(Max.) | — | — | — | 42 mm |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 22.6 mm | — | — |
| Ra(Max.) | — | — | — | 1 mm |
| Shoulder Diameter Inner Ring (D1) | — | 26.71 mm | — | — |
| Mass(Refer.) | — | — | — | 0.130 kg |
| Dynamic Axial Load Factor (Y1) | — | 1.94 | — | — |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 41.4 mm | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 1 mm | — | — |
| Maximum Fillet Radius (Ra Max) | — | 1 mm | — | — |
| Shoulder Diameter Outer Ring (D1) | — | 36.95 mm | — | — |
| Dynamic Axial Load Factor (Y2) | — | 3.01 | — | — |
| Static Axial Load Factor (Y0) | — | 2.04 | — | — |
| 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.