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You entered NU2256-E-TB-M1. This table explores the base group NU2256; it does not preserve or approve every requested suffix. Search your complete marking first →
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“NU2256” across 3 loaded brands
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Technical comparison
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| Parameter | SKFNU 2256 ECMA280 × 500 × 130 mm | FAGNU2256-E-M1A280 × 500 × 130 mm | TIMKENNU2256EMA280 × 500 × 130 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | TIMKEN |
| Designation | NU 2256 ECMA | NU2256-E-M1A | NU2256EMA |
| Product family | Cylindrical roller bearings | — | Cylindrical 1-Row |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU2256 | EX27069 |
| Bore diameterd | 280 mm | 280 mm | 280 mm |
| Outside diameterD | 500 mm | 500 mm | 500 mm |
| WidthB | 130 mm | 130 mm | 130 mm |
| Basic dynamic load ratingC | 2200 kN | 2270 kN | 2610 kN |
| Basic static load ratingC0 | 3450 kN | 3600 kN | 3450 kN |
| Fatigue load limitPu | 305 kN | 370 kN | — |
| Reference speednref | 1200 r/min | 720 r/min | — |
| Limiting speednG | 1900 r/min | 1980 r/min | — |
| Mass≈m | 115 kg | 112.82 kg | 111.9 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — |
| Sealing | Without | — | Open |
| Cage | Machined brass | M1A — Two Piece Brass Cage Lip guided | Window Brass cage |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 150 °C | — |
| Calculation Factors | |||
| K Factor | — | — | 0.00 |
| Y1 Factor | — | — | 0.00 |
| Y2 Factor | — | — | 0.00 |
| Y0 Factor | — | — | 0.00 |
| E Factor | — | — | 0.00 |
| Cg Factor | — | — | 0.1929 |
| Capabilities & suitability | |||
| Radial load capacity | — | Yes | — |
| Suitable for grease lubrication | — | Yes | — |
| Suitable for oil lubrication | — | Yes | — |
| Unsealed design | — | Yes | — |
| 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 | — | 10.5 mm | — |
| Axial displacements | — | 0.413 in | — |
| Raceway diameter outer ringE | — | 453 mm | — |
| Raceway diameter outer ringE | — | 17.835 in | — |
| Raceway diameter inner ringF | — | 333 mm | — |
| Raceway diameter inner ringF | — | 13.11 in | — |
| Minimum rib diameter outer ringD1 min | — | 435.95 mm | — |
| Minimum rib diameter outer ringD1 min | — | 17.163 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of spacer sleeved a | max. 320 mm | — | — |
| Diameter of shaft abutmentd b | min. 331 mm | — | — |
| Diameter of housing abutmentD a | max. 480 mm | — | — |
| Radius of filletr a | max. 4 mm | — | — |
| Engineering — Calculation data | |||
| Minimum load factork r | 0.2 | — | — |
| Limiting valuee | 0.3 | — | — |
| Calculation factorY | 0.4 | — | — |
| Engineering — Dimensions | |||
| Shoulder diameter of outer ringD 1 | ≈ 433 mm | — | — |
| Raceway diameter of inner ringF | 333 mm | — | — |
| Chamfer dimensionr 1,2 | min. 5 mm | — | — |
| Permissible axial displacements | max. 10.2 mm | — | — |
| Logistics | |||
| Product net weight | 115.0 kg | — | — |
| eClass code | 23-05-09-01 | — | — |
| UNSPSC code | 31171505 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 2,270,000 N | — |
| Basic dynamic load rating, radialCr | — | 510,341.727 lbf | — |
| Basic static load rating, radialC0r | — | 3,600,000 N | — |
| Basic static load rating, radialC0r | — | 809,352.518 lbf | — |
| Fatigue load limit, radialCur | — | 370,000 N | — |
| Fatigue load limit, radialCur | — | 83,183.453 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 367878 | — |
| Material Number | — | — | 000000000190015534 |
| Base Type | — | NU2256 | — |
| World Assembly Part Number | — | — | NU2256EMA |
| Old Designation | — | ["NU2256E.M1A","NU2256MA"] | — |
| Inner Ring Part Number | — | — | 280ARUE22 |
| Gpsd Group | — | F01 | — |
| Outer Ring Part Number | — | — | 280ERUE22 |
| Product Line Id | — | 75 | — |
| Drawing Number | — | — | M99728 |
| X Life Marking | — | n.r. | — |
| Upc | — | — | 0087796299528 |
| Official Source System | — | — | CORE BP - DS DF |
| Official Last Run | — | — | 2026-08-23T20:02:48.513 |
| SAP material number | — | 0388871180000 | — |
| Base product | — | 2305090102 | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 300 mm | — |
| Minimum diameter shaft shoulderda min | — | 11.811 in | — |
| Maximum diameter of shaft shoulderda max | — | 330 mm | — |
| Maximum diameter of shaft shoulderda max | — | 12.992 in | — |
| Minimum shaft shoulderdb min | — | 336 mm | — |
| Minimum shaft shoulderdb min | — | 13.228 in | — |
| Maximum diameter of housing shoulderDa max | — | 480 mm | — |
| Maximum diameter of housing shoulderDa max | — | 18.898 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 | — |
| Product characteristics | |||
| DesignE | — | Increased Capacity Design | — |
| 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 NU..-E-M1A, 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 | 11.0236 in Bore | 19.6850 in OD | 5.1181 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C0 Clearance |
| Type Description | — | — | Cylindrical 1-Row |
| Short Description | — | Cylindrical roller bearing | — |
| 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 | 426.0 kg CO 2 e | — | — |
| Indicative carbon footprint for remanufactured product | 142.0 kg CO 2 e | — | — |
| Technical Data | |||
| Bore Diameter (D) | — | 280 mm | — |
| Overall Width | — | — | 0.000 mm |
| Outside Diamater (D) | — | 500 mm | — |
| Radial Rating | — | — | 2,610,000 N |
| Total Width (B) | — | 130 mm | — |
| Axial Rating | — | — | 0 N |
| Basic Dynamic Load Rating, Radial (Cr) | — | 2,270,000 N | — |
| Dynamic Rating C1 | — | — | 2,610,000 N |
| Basic Static Load Rating, Radial (C0R) | — | 3,600,000 N | — |
| Dynamic Rating C90 | — | — | 0 N |
| Raceway Diameter Inner Ring (F) | — | 333 mm | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N |
| Minimum Diameter Shaft Shoulder (Da) | — | 300 mm | — |
| Static Radial Rating C0 | — | — | 3,450,000 N |
| Operating Temperature Max. (Tmax) | — | 150 °C | — |
| Extended Dynamic Rating Ce | — | — | 0 N |
| Limiting Speed (Limiting Spe) | — | 1,980 1/min | — |
| Static Axial Rating C0A | — | — | 0 N |
| Reference Speed (Nϑr) | — | 720 1/min | — |
| Maximum Recess Radius (Ra Max) | — | 4 mm | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 480 mm | — |
| Minimum Chamfer Dimension (R1 Min) | — | 5 mm | — |
| Axial Displacement (S) | — | 10.5 mm | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 435.95 mm | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 330 mm | — |
| Maximum Recess Radius (Ra1 Max) | — | 4 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 5 mm | — |
| Raceway Diameter Outer Ring (E) | — | 453 mm | — |
| Minimum Shaft Shoulder (Db Min) | — | 336 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 370,000 N | — |
| 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.