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
“QJ344” across 2 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 | SKFQJ 344 N2MA220 × 460 × 88 mm | FAGQJ344-N2-MPA220 × 460 × 88 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | FAG |
| Designation | QJ 344 N2MA | QJ344-N2-MPA |
| Product family | Angular contact ball bearings | — |
| Detailed type | Four-point contact ball bearing with locating slots | Four-point contact bearing |
| Series | — | QJ344 |
| Bore diameterd | 220 mm | 220 mm |
| Outside diameterD | 460 mm | 460 mm |
| WidthB | 88 mm | 88 mm |
| Basic dynamic load ratingC | 780 kN | 900 kN |
| Basic static load ratingC0 | 1400 kN | 1650 kN |
| Fatigue load limitPu | 32 kN | 51 kN |
| Reference speednref | — | 1080 r/min |
| Limiting speednG | 2400 r/min | 2430 r/min |
| Mass≈m | 78 kg | 85.4 kg |
| Precision class | — | PN — Normal (ISO 492:2023) |
| Sealing | Without | — |
| Cage | Machined brass | MPA — Solid brass cage, outer ring guided |
| Bearing material | Bearing steel | — |
| Lubricant | None | — |
| Minimum operating temperatureTmin | — | -30 °C |
| Maximum operating temperatureTmax | — | 200 °C |
| 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 |
| Largebearing | — | Yes |
| Dimensions | ||
| Contact angle | 35.0 ° | — |
| Minimum chamfer dimensionrmin | — | 5 mm |
| Minimum chamfer dimensionrmin | — | 0.197 in |
| Shoulder diameter outer ringD1 | — | 378 mm |
| Shoulder diameter outer ringD1 | — | 14.882 in |
| Shoulder diameter inner ringd1 | — | 304.15 mm |
| Shoulder diameter inner ringd1 | — | 11.974 in |
| Distance between the apexes of the pressure conesa | — | 238.1 mm |
| Distance between the apexes of the pressure conesa | — | 9.374 in |
| Hight retaining slotan | — | 15 mm |
| Hight retaining slotan | — | 0.591 in |
| Width retaining slotbn | — | 12.5 mm |
| Width retaining slotbn | — | 0.492 in |
| Radius retaining slotrn | — | 2.5 mm |
| Radius retaining slotrn | — | 0.098 in |
| Angle retaining slot | — | 45 ° |
| Contact angleα | — | 35 ° |
| Engineering — Abutment dimensions | ||
| Abutment diameter shaftd a | min. 240 mm | — |
| Abutment diameter housingD a | max. 440 mm | — |
| Fillet radiusr a | max. 4 mm | — |
| Engineering — Calculation data | ||
| Calculation factorA | 6.2 | — |
| Limiting valuee | 0.95 | — |
| Calculation factorX | 0.6 | — |
| Calculation factorY 0 | 0.58 | — |
| Calculation factorY 1 | 0.66 | — |
| Calculation factorY 2 | 1.1 | — |
| Engineering — Dimensions | ||
| Shoulder diameter inner ringd 1 | ≈ 308 mm | — |
| Shoulder diameter outer ring/ inner diameter housing washerD 1 | ≈ 372 mm | — |
| Distance pressure point(s)a | 238 mm | — |
| Locating slot depth outer ringh | 15 mm | — |
| Locating slot width outer ringb | 12.5 mm | — |
| Corner radius locating slotr 0 | 2.5 mm | — |
| Chamfer dimension inner ringr 1,2 | min. 5 mm | — |
| Logistics | ||
| Product net weight | 78.0 kg | — |
| eClass code | 23-05-08-05 | — |
| UNSPSC code | 31171531 | — |
| Main Dimensions & Performance Data | ||
| Basic dynamic load rating, radialCr | — | 900,000 N |
| Basic dynamic load rating, radialCr | — | 202,338.129 lbf |
| Basic static load rating, radialC0r | — | 1,650,000 N |
| Basic static load rating, radialC0r | — | 370,953.237 lbf |
| Fatigue load limit, radialCur | — | 51,000 N |
| Fatigue load limit, radialCur | — | 11,465.827 lbf |
| Manufacturer Identity | ||
| Schaeffler Product Code | — | 366784 |
| Base Type | — | QJ344 |
| Old Designation | — | ["QJ344N2MPA"] |
| Gpsd Group | — | S03 |
| Product Line Id | — | 14 |
| SAP material number | — | 0192626710000 |
| Base product | — | 230508AD41 |
| Bearing X designation | — | QJ344-N2-MPA |
| Mounting Manager ID | — | QJ344-N2-MPA |
| Grease application ID | — | QJ344-N2-MPA |
| Mounting dimensions | ||
| Minimum diameter shaft shoulderda min | — | 240 mm |
| Minimum diameter shaft shoulderda min | — | 9.449 in |
| Maximum diameter of housing shoulderDa max | — | 440 mm |
| Maximum diameter of housing shoulderDa max | — | 17.323 in |
| Maximum fillet radiusra max | — | 4 mm |
| Maximum fillet radiusra max | — | 0.157 in |
| Product characteristics | ||
| Design, bearing outer ringN2 | — | Two retaining grooves in the outer ring on one side |
| Tolerance classPN | — | Normal (ISO 492:2023) |
| Dimensional / heat stabilizationS1 | — | Rings dimensional stabilized up to 200° |
| Axial internal clearanceCN | — | Group N (CN) |
| Product identity | ||
| Official product category | Angular contact ball bearings | — |
| Official taxonomy path | /products/rolling-bearings/ball-bearings/angular-contact-ball-bearings/four-point-contact-ball-bearings | — |
| Structure group ID | BAQ_001 | — |
| Available from SKF | Yes | — |
| Remanufacturable | Yes | — |
| Product Identity | ||
| Construction | — | Four point contact bearing QJ3..-N2-MPA, holding grooves, solid brass cage |
| Short Description | — | Four-point contact bearing |
| Properties | ||
| Contact type | Four-point contact | — |
| Number of rows | 1 | — |
| Locating feature, bearing outer ring | Locating slot | — |
| Ring type | Two-piece inner ring and one-piece outer ring | — |
| Matched arrangement | No | — |
| Universal matching bearing | No | — |
| Axial internal clearance | CN | — |
| Material, bearing | Bearing steel | — |
| Coating | Without | — |
| Relubrication feature | Without | — |
| Indicative carbon footprint for new product | 289.0 kg CO 2 e | — |
| Technical Data | ||
| Bore Diameter (D) | — | 220 mm |
| Outside Diameter (D) | — | 460 mm |
| Width (B) | — | 88 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 900,000 N |
| Basic Static Load Rating, Radial (C0R) | — | 1,650,000 N |
| Operating Temperature Min. (Tmin) | — | -30 °C |
| Limiting Speed (Ng) | — | 2,430 1/min |
| Operating Temperature Max. (Tmax) | — | 200 °C |
| Reference Speed (Nϑr) | — | 1,080 1/min |
| Angle Retaining Slot (Angle Retain) | — | 45 ° |
| Hight Retaining Slot (An) | — | 15 mm |
| Radius Retaining Slot (Rn) | — | 2.5 mm |
| Fatigue Load Limit, Radial (Cur) | — | 51,000 N |
| Minimum Diameter Shaft Shoulder (Da Min) | — | 240 mm |
| Shoulder Diameter Inner Ring (D1) | — | 304.15 mm |
| Maximum Diameter Of Housing Shoulder (Da Max) | — | 440 mm |
| Minimum Chamfer Dimension (Rmin) | — | 5 mm |
| Maximum Fillet Radius (Ra Max) | — | 4 mm |
| Shoulder Diameter Outer Ring (D1) | — | 378 mm |
| Contact Angle (Α) | — | 35 ° |
| Distance Between The Apexes Of The Pressure Cones (A) | — | 238.1 mm |
| Width Retaining Slot (Bn) | — | 12.5 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 |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.