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
Exact designations rank first. Dimensions, suffixes and other technical differences remain visible so the result is not mistaken for an interchangeability declaration.
Dimensions verified
“NU344” across 5 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 | SKFNU 344 M220 × 460 × 88 mm | FAGNU344-E-TB-M1220 × 460 × 88 mm | TIMKENNU344EMA220 × 460 × 88 mm | NSKNU344M220 × 460 × 88 mm | KOYONU344220 × 460 × 88 mm |
|---|---|---|---|---|---|
| Comparable specifications | |||||
| Brand | SKF | FAG | TIMKEN | NSK | KOYO |
| Designation | NU 344 M | NU344-E-TB-M1 | NU344EMA | NU344M | NU344 |
| Product family | Cylindrical roller bearings | — | Cylindrical 1-Row | Cylindrical roller bearing | Single-row / NU |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU344 | EX27739 | — | — |
| Bore diameterd | 220 mm | 220 mm | 220 mm | 220 mm | 220 mm |
| Outside diameterD | 460 mm | 460 mm | 460 mm | 460 mm | 460 mm |
| WidthB | 88 mm | 88 mm | 88 mm | 88 mm | 88 mm |
| Basic dynamic load ratingC | 1210 kN | 1440 kN | 1650 kN | 1470 kN | 1490 kN |
| Basic static load ratingC0 | 1630 kN | 1890 kN | 1930 kN | 1570 kN | 1570 kN |
| Fatigue load limitPu | 156 kN | 138 kN | — | — | 176 kN |
| Reference speednref | 1500 r/min | 1140 r/min | — | — | — |
| Limiting speednG | 1700 r/min | 2170 r/min | — | — | 1100 r/min |
| Mass≈m | 74.2 kg | 74.34 kg | 73.7 kg | — | 74.4 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — | — |
| Sealing | Without | — | Open | — | — |
| Cage | Machined brass | M1 — Two Piece Brass Cage Roller Guided | Window Brass cage | Machined brass | — |
| Lubricant | None | — | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — | — |
| Boundary dimensions | |||||
| Bearing widthB | — | — | — | 88 mm | — |
| Minimum bearing chamferr min. | — | — | — | 5 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | — | 5 mm | — |
| Roller inscribed circle diameterFw | — | — | — | 284 mm | — |
| Calculation Factors | |||||
| K Factor | — | — | 0.00 | — | — |
| Y1 Factor | — | — | 0.00 | — | — |
| Y2 Factor | — | — | 0.00 | — | — |
| Y0 Factor | — | — | 0.00 | — | — |
| E Factor | — | — | 0.00 | — | — |
| Cg Factor | — | — | 0.1582 | — | — |
| Capabilities & suitability | |||||
| Radial load capacity | — | Yes | — | — | — |
| Suitable for grease lubrication | — | Yes | — | — | — |
| Suitable for oil lubrication | — | Yes | — | — | — |
| Unsealed design | — | Yes | — | — | — |
| Largebearing | — | Yes | — | — | — |
| Catalogue reference mass | |||||
| Approximate shared-row mass — not separately stated for each rib arrangement | — | — | — | 74.6 kg | — |
| Classification | |||||
| Official Category Path | — | — | — | — | Cylindrical roller bearings - Single-row - NU |
| Official Classification 1 | — | — | — | — | Cylindrical roller bearings / Single-row / NU |
| Construction | |||||
| Single-row construction type | — | — | — | NU | — |
| Rib arrangement | — | — | — | Two outer-ring ribs; ribless inner ring | — |
| Standard cage material | — | — | — | Machined brass | — |
| Standard cage marking | — | — | — | M | — |
| Other cage codes listed for this catalogue row | — | — | — | None listed in this row | — |
| Precision — designation omission rule | — | — | — | ISO Normal when no precision suffix is specified | — |
| Clearance identification — verify interchangeability | — | — | — | No clearance suffix shown. CN omission applies to interchangeable designs; do not infer a numerical clearance. | — |
| Optimized crowning note | — | — | — | No optimized-crowning asterisk on this row | — |
| Dimensions | |||||
| Minimum chamfer dimensionrmin | — | 5 mm | — | — | — |
| Minimum chamfer dimensionrmin | — | 0.197 in | — | — | — |
| Minimum chamfer dimensionr1 min | — | 5 mm | — | — | — |
| Minimum chamfer dimensionr1 min | — | 0.197 in | — | — | — |
| Axial displacements | — | 7 mm | — | — | — |
| Axial displacements | — | 0.276 in | — | — | — |
| Raceway diameter outer ringE | — | 406 mm | — | — | — |
| Raceway diameter outer ringE | — | 15.984 in | — | — | — |
| Raceway diameter inner ringF | — | 282 mm | — | — | — |
| Raceway diameter inner ringF | — | 11.102 in | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 381.2 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 15.008 in | — | — | — |
| Engineering — Abutment dimensions | |||||
| Diameter of spacer sleeved a | max. 277 mm | — | — | — | — |
| Diameter of shaft abutmentd b | min. 288 mm | — | — | — | — |
| Diameter of housing abutmentD a | max. 440 mm | — | — | — | — |
| Radius of filletr a | max. 4 mm | — | — | — | — |
| Engineering — Calculation data | |||||
| Minimum load factork r | 0.15 | — | — | — | — |
| Limiting valuee | 0.2 | — | — | — | — |
| Calculation factorY | 0.6 | — | — | — | — |
| Engineering — Dimensions | |||||
| Shoulder diameter of outer ringD 1 | ≈ 371 mm | — | — | — | — |
| Raceway diameter of inner ringF | 284 mm | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 5 mm | — | — | — | — |
| Permissible axial displacements | max. 5.2 mm | — | — | — | — |
| Load ratings — standard cage | |||||
| Basic dynamic radial load ratingCr | — | — | — | 1470000 N | — |
| Basic static radial load ratingC0r | — | — | — | 1570000 N | — |
| Logistics | |||||
| Product net weight | 74.2 kg | — | — | — | — |
| eClass code | 23-05-09-01 | — | — | — | — |
| UNSPSC code | 31171505 | — | — | — | — |
| Lubrication-qualified speed — standard cage | |||||
| Thermal speed rating — oil bath | — | — | — | 1400 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | — | Not stated in this catalogue row | — |
| Limiting speed — grease | — | — | — | 1200 r/min | — |
| Limiting speed — oil bath | — | — | — | 1500 r/min | — |
| Main Dimensions & Performance Data | |||||
| Basic dynamic load rating, radialCr | — | 1,440,000 N | — | — | — |
| Basic dynamic load rating, radialCr | — | 323,741.007 lbf | — | — | — |
| Basic static load rating, radialC0r | — | 1,890,000 N | — | — | — |
| Basic static load rating, radialC0r | — | 424,910.072 lbf | — | — | — |
| Fatigue load limit, radialCur | — | 138,000 N | — | — | — |
| Fatigue load limit, radialCur | — | 31,025.18 lbf | — | — | — |
| Manufacturer Identity | |||||
| Schaeffler Product Code | — | 371036 | — | — | — |
| Material Number | — | — | 000000000190019702 | — | — |
| Official Class Key | — | — | — | — | 040-010-000 |
| Base Type | — | NU344 | — | — | — |
| World Assembly Part Number | — | — | NU344EMA | — | — |
| Gpsd Group | — | F01 | — | — | — |
| Inner Ring Part Number | — | — | 220ARUE03 | — | — |
| Product Line Id | — | 75 | — | — | — |
| Outer Ring Part Number | — | — | 220ERUE03 | — | — |
| Drawing Number | — | — | M103786 | — | — |
| Upc | — | — | 0087796302891 | — | — |
| Official Source System | — | — | CORE BP - DS DF | — | — |
| Official Last Run | — | — | 2026-08-23T20:02:47.757 | — | — |
| SAP material number | — | 0801490900000 | — | — | — |
| Base product | — | 2305090102 | — | — | — |
| Bearing X designation | — | NU344-E-TB-M1 | — | — | — |
| Mounting Manager ID | — | NU344-E-TB-M1 | — | — | — |
| Grease application ID | — | NU344-E-TB-M1 | — | — | — |
| Mounting dimensions | |||||
| Minimum diameter shaft shoulderda min | — | 240 mm | — | — | — |
| Minimum diameter shaft shoulderda min | — | 9.449 in | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 279 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 10.984 in | — | — | — |
| Minimum shaft shoulderdb min | — | 285 mm | — | — | — |
| Minimum shaft shoulderdb min | — | 11.22 in | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 440 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 17.323 in | — | — | — |
| Maximum recess radiusra max | — | 4 mm | — | — | — |
| Maximum recess radiusra max | — | 0.157 in | — | — | — |
| Maximum recess radiusra1 max | — | 4 mm | — | — | — |
| Maximum recess radiusra1 max | — | 0.157 in | — | — | — |
| Mounting dimensions — shown arrangement | |||||
| Minimum shaft shoulder diameterdb min. | — | — | — | 240 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | — | 440 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | — | 278 mm | — |
| Maximum adjacent fillet radiusra max. | — | — | — | 4 mm | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | — | 4 mm | — |
| Product characteristics | |||||
| DesignTB | — | Bearings with increased axial load capacity | — | — | — |
| Radial internal clearanceCN (Group N) | — | Normal internal clearance | — | — | — |
| Tolerance classPN | — | Normal (ISO 492:2023) | — | — | — |
| Number of rows1 | — | Single-row design | — | — | — |
| Product identity | |||||
| Official product category | Cylindrical roller bearings | — | — | — | — |
| Official taxonomy path | /products/rolling-bearings/roller-bearings/cylindrical-roller-bearings/single-row-cylindrical-roller-bearings | — | — | — | — |
| Structure group ID | BC1_001_101 | — | — | — | — |
| Available from SKF | Yes | — | — | — | — |
| Remanufacturable | Yes | — | — | — | — |
| Product Identity | |||||
| Construction | — | Cylindrical roller bearing NU20..-E-XL-M1, with cage, single row, non-locating bearing, 2 ribs on outer ring, 0 ribs on inner ring (smooth), type NU, Running accuracy in P6 | Single Row Cylindrical Roller Bearing | Imperial Series | 8.6614 in Bore | 18.1102 in OD | 3.4646 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C0 Clearance | — | — |
| Short Description | — | Cylindrical roller bearing | — | — | — |
| Type Description | — | — | Cylindrical 1-Row | — | — |
| Number Of Rows | 1 | — | 1 | — | — |
| Tapered Bore | — | — | N | — | — |
| Properties | |||||
| Bearing part | Complete bearing | — | — | — | — |
| Axial displacement capability | In both directions | — | — | — | — |
| Locating feature, bearing outer ring | Without | — | — | — | — |
| Bore type | Cylindrical | — | — | — | — |
| Number of flanges, outer ring | 2 | — | — | — | — |
| Number of flanges, inner ring | 0 | — | — | — | — |
| Loose flange | None | — | — | — | — |
| Radial internal clearance | CN | — | — | — | — |
| Tolerance class | Normal | — | — | — | — |
| Coating | Without | — | — | — | — |
| Relubrication feature | Without | — | — | — | — |
| Candidate for remanufacturing | Yes | — | — | — | — |
| Indicative carbon footprint for new product | 274.0 kg CO 2 e | — | — | — | — |
| Indicative carbon footprint for remanufactured product | 91.2 kg CO 2 e | — | — | — | — |
| Technical Data | |||||
| d | — | — | — | — | 460 mm |
| B | — | — | — | — | 88 mm |
| Bore Diameter (D) | — | 220 mm | — | — | — |
| R(Min.) | — | — | — | — | 5 mm |
| Outside Diamater (D) | — | 460 mm | — | — | — |
| R1(Min.) | — | — | — | — | 5 mm |
| Total Width (B) | — | 88 mm | — | — | — |
| Overall Width | — | — | 0.000 mm | — | — |
| Fw | — | — | — | — | 284 mm |
| Basic Dynamic Load Rating, Radial (Cr) | — | 1,440,000 N | — | — | — |
| Radial Rating | — | — | 1,650,000 N | — | — |
| Ew | — | — | — | — | - mm |
| Basic Static Load Rating, Radial (C0R) | — | 1,890,000 N | — | — | — |
| Axial Rating | — | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | — | 1490 kN |
| Raceway Diameter Inner Ring (F) | — | 282 mm | — | — | — |
| Dynamic Rating C1 | — | — | 1,650,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | — | 1570 kN |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — | — |
| Dynamic Rating C90 | — | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | — | 176 kN |
| Minimum Diameter Shaft Shoulder (Da) | — | 240 mm | — | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | — | 1100 min-1 |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | — | 1500 min-1 |
| Limiting Speed (Limiting Spe) | — | 2,170 1/min | — | — | — |
| Static Radial Rating C0 | — | — | 1,930,000 N | — | — |
| Sd1 | — | — | — | — | - mm |
| Reference Speed (Nϑr) | — | 1,140 1/min | — | — | — |
| Extended Dynamic Rating Ce | — | — | 0 N | — | — |
| B1 | — | — | — | — | - mm |
| Maximum Recess Radius (Ra Max) | — | 4 mm | — | — | — |
| Static Axial Rating C0A | — | — | 0 N | — | — |
| B2 | — | — | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 440 mm | — | — | — |
| Da(Min.) | — | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 5 mm | — | — | — |
| Db(Min.) | — | — | — | — | - mm |
| Axial Displacement (S) | — | 7 mm | — | — | — |
| Db(Max.) | — | — | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 381.2 mm | — | — | — |
| Dc(Min.) | — | — | — | — | - mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 279 mm | — | — | — |
| Dd(Min.) | — | — | — | — | - mm |
| Maximum Recess Radius (Ra1 Max) | — | 4 mm | — | — | — |
| Da(Max.) | — | — | — | — | 440 mm |
| Minimum Chamfer Dimension (Rmin) | — | 5 mm | — | — | — |
| Raceway Diameter Outer Ring (E) | — | 406 mm | — | — | — |
| Minimum Shaft Shoulder (Db Min) | — | 285 mm | — | — | — |
| Ra(Max.) | — | — | — | — | 4 mm |
| Fatigue Load Limit, Radial (Cur) | — | 138,000 N | — | — | — |
| Rb(Max.) | — | — | — | — | 4 mm |
| Mass(Refer.) | — | — | — | — | 74.4 kg |
| Temperature range | |||||
| Operating temperature min.Tmin | — | -30 °C | — | — | — |
| Operating temperature min.Tmin | — | -22 °F | — | — | — |
| Operating temperature max.Tmax | — | 150 °C | — | — | — |
| Operating temperature max.Tmax | — | 302 °F | — | — | — |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.