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| Parameter | SKFNU 210 ECJ50 × 90 × 20 mm | FAGNU210-E-XL-M150 × 90 × 20 mm | INANU210-E-XL-M1-F1-J20AA-C4-M32N50 × 90 × 20 mm | NSKNU210EW50 × 90 × 20 mm | KOYONU210R50 × 90 × 20 mm | NTNNU21050 × 90 × 20 mm |
|---|---|---|---|---|---|---|
| Comparable specifications | ||||||
| Brand | SKF | FAG | INA | NSK | KOYO | NTN |
| Designation | NU 210 ECJ | NU210-E-XL-M1 | NU210-E-XL-M1-F1-J20AA-C4-M32N | NU210EW | NU210R | NU210 |
| Product family | Cylindrical roller bearings | — | — | Cylindrical roller bearing | Single-row / NU | Single row cylindrical roller bearings |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU210 | NU210 | — | — | — |
| Bore diameterd | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
| Outside diameterD | 90 mm | 90 mm | 90 mm | 90 mm | 90 mm | 90 mm |
| WidthB | 20 mm | 20 mm | 20 mm | 20 mm | 20 mm | 20 mm |
| Basic dynamic load ratingC | 73.5 kN | 75 kN | 75 kN | 85 kN | 82.5 kN | 53.5 kN |
| Basic static load ratingC0 | 69.5 kN | 69 kN | 69 kN | 76.5 kN | 71.9 kN | 51 kN |
| Fatigue load limitPu | 8.8 kN | 9 kN | 9 kN | — | 9.85 kN | 6.2 kN |
| Reference speednref | 8500 r/min | 6600 r/min | 6600 r/min | — | — | — |
| Limiting speednG | 9000 r/min | 14500 r/min | 14500 r/min | — | 7100 r/min | — |
| Mass≈m | 0.494 kg | 0.534 kg | 0.53 kg | — | 0.497 kg | 0.47 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — | — | CN |
| Sealing | Without | — | — | — | — | — |
| Cage | Sheet metal | M1 — Two Piece Brass Cage Roller Guided | — | Pressed steel | — | pressed steel cage |
| Lubricant | None | — | — | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | -30 °C | — | — | -40 °C |
| Maximum operating temperatureTmax | — | 150 °C | 150 °C | — | — | 120 °C |
| Boundary dimensions | ||||||
| Bearing widthB | — | — | — | 20 mm | — | — |
| Minimum bearing chamferr min. | — | — | — | 1.1 mm | — | — |
| Minimum secondary bearing chamferr1 min. | — | — | — | 1.1 mm | — | — |
| Roller inscribed circle diameterFw | — | — | — | 59.5 mm | — | — |
| Capabilities & suitability | ||||||
| Radial load capacity | — | Yes | — | — | — | — |
| Suitable for grease lubrication | — | Yes | — | — | — | — |
| Suitable for oil lubrication | — | Yes | — | — | — | — |
| Unsealed design | — | Yes | — | — | — | — |
| Catalogue reference mass | ||||||
| Approximate shared-row mass — not separately stated for each rib arrangement | — | — | — | 0.5 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 | — | — | — | Pressed steel | — | — |
| Standard cage marking | — | — | — | W | — | — |
| Other cage codes listed for this catalogue row | — | — | — | M, T, T7 | — | — |
| 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 | — | 1.1 mm | — | — | — | — |
| Minimum chamfer dimensionrmin | — | 0.043 in | — | — | — | — |
| Minimum chamfer dimensionr1 min | — | 1.1 mm | — | — | — | — |
| Minimum chamfer dimensionr1 min | — | 0.043 in | — | — | — | — |
| Axial displacements | — | 1.3 mm | — | — | — | — |
| Axial displacements | — | 0.051 in | — | — | — | — |
| Raceway diameter outer ringE | — | 81.5 mm | — | — | — | — |
| Raceway diameter outer ringE | — | 3.209 in | — | — | — | — |
| Raceway diameter inner ringF | — | 59.5 mm | — | — | — | — |
| Raceway diameter inner ringF | — | 2.343 in | — | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 78.32 mm | — | — | — | — |
| Minimum rib diameter outer ringD1 min | — | 3.083 in | — | — | — | — |
| Dimensions and properties | ||||||
| Internal diameterd | — | — | — | — | — | 50 mm |
| External diameterD | — | — | — | — | — | 90 mm |
| Bearing/Inner ring widthB | — | — | — | — | — | 20 mm |
| Upper roller diameterE | — | — | — | — | — | 80.4 mm |
| Under roller diameterF | — | — | — | — | — | 60.4 mm |
| Min fillet radiusrs | — | — | — | — | — | 1.1 mm |
| Min fillet radiusr1s | — | — | — | — | — | 1.1 mm |
| Radial clearance class | — | — | — | — | — | CN |
| Engineering — Abutment dimensions | ||||||
| Diameter of spacer sleeved a | max. 57.5 mm | — | — | — | — | — |
| Diameter of shaft abutmentd b | min. 61 mm | — | — | — | — | — |
| Diameter of housing abutmentD a | max. 82.4 mm | — | — | — | — | — |
| Radius of filletr a | max. 1 mm | — | — | — | — | — |
| Radius of filletr b | max. 1 mm | — | — | — | — | — |
| Engineering — Associated products | ||||||
| Angle ring | HJ 210 EC | — | — | — | — | — |
| Engineering — Calculation data | ||||||
| SKF performance class | SKF Explorer | — | — | — | — | — |
| Minimum load factork r | 0.15 | — | — | — | — | — |
| Limiting valuee | 0.2 | — | — | — | — | — |
| Calculation factorY | 0.6 | — | — | — | — | — |
| Engineering — Dimensions | ||||||
| Shoulder diameter of outer ringD 1 | ≈ 77.4 mm | — | — | — | — | — |
| Raceway diameter of inner ringF | 59.5 mm | — | — | — | — | — |
| Chamfer dimensionr 1,2 | min. 1.1 mm | — | — | — | — | — |
| Chamfer dimensionr 3,4 | min. 1.1 mm | — | — | — | — | — |
| Permissible axial displacements | max. 1.5 mm | — | — | — | — | — |
| Load ratings — standard cage | ||||||
| Basic dynamic radial load ratingCr | — | — | — | 85000 N | — | — |
| Basic static radial load ratingC0r | — | — | — | 76500 N | — | — |
| Logistics | ||||||
| Product net weight | 0.494 kg | — | — | — | — | — |
| eClass code | 23-05-09-01 | — | — | — | — | — |
| UNSPSC code | 31171505 | — | — | — | — | — |
| Lubrication-qualified speed — standard cage | ||||||
| Thermal speed rating — oil bath | — | — | — | 8000 r/min | — | — |
| Mechanical limiting speed — forced oil circulation | — | — | — | 11000 r/min | — | — |
| Limiting speed — grease | — | — | — | 6300 r/min | — | — |
| Limiting speed — oil bath | — | — | — | 7500 r/min | — | — |
| Main Dimensions & Performance Data | ||||||
| Basic dynamic load rating, radialCr | — | 75,000 N | — | — | — | — |
| Basic dynamic load rating, radialCr | — | 16,861.511 lbf | — | — | — | — |
| Basic static load rating, radialC0r | — | 69,000 N | — | — | — | — |
| Basic static load rating, radialC0r | — | 15,512.59 lbf | — | — | — | — |
| Fatigue load limit, radialCur | — | 9,000 N | — | — | — | — |
| Fatigue load limit, radialCur | — | 2,023.381 lbf | — | — | — | — |
| Manufacturer Identity | ||||||
| Schaeffler Product Code | — | 367970 | 1633232 | — | — | — |
| Official Class Key | — | — | — | — | 040-010-000 | — |
| Base Type | — | NU210 | NU210 | — | — | — |
| Old Designation | — | ["NU210E.M1","NU210-E-M1"] | — | — | — | — |
| Gpsd Group | — | F01 | F01 | — | — | — |
| Product Line Id | — | 12 | 12 | — | — | — |
| X Life Marking | — | XL | XL | — | — | — |
| SAP material number | — | 0190079570000 | — | — | — | — |
| Base product | — | 2305090102 | — | — | — | — |
| Bearing X designation | — | NU210-E-XL-M1 | — | — | — | — |
| Mounting Manager ID | — | NU210-E-XL-M1 | — | — | — | — |
| Grease application ID | — | NU210-E-XL-M1 | — | — | — | — |
| Mounting dimensions | ||||||
| Min shoulder diameter IRda min | — | — | — | — | — | 56.5 mm |
| Small face shoulder max diameterda max | — | — | — | — | — | 58 mm |
| Min inner ring GO diameterdb min | — | — | — | — | — | 62 mm |
| Max shoulder diameter ORDa max | — | — | — | — | — | 83.5 mm |
| Max fillet radiusra max | — | — | — | — | — | 1 mm |
| Max fillet radiusr1a | — | — | — | — | — | 1 mm |
| Minimum diameter shaft shoulderda min | — | 57 mm | — | — | — | — |
| Minimum diameter shaft shoulderda min | — | 2.244 in | — | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 58 mm | — | — | — | — |
| Maximum diameter of shaft shoulderda max | — | 2.283 in | — | — | — | — |
| Minimum shaft shoulderdb min | — | 62 mm | — | — | — | — |
| Minimum shaft shoulderdb min | — | 2.441 in | — | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 83 mm | — | — | — | — |
| Maximum diameter of housing shoulderDa max | — | 3.268 in | — | — | — | — |
| Maximum recess radiusra max | — | 1 mm | — | — | — | — |
| Maximum recess radiusra max | — | 0.039 in | — | — | — | — |
| Maximum recess radiusra1 max | — | 1 mm | — | — | — | — |
| Maximum recess radiusra1 max | — | 0.039 in | — | — | — | — |
| Mounting dimensions — shown arrangement | ||||||
| Minimum shaft shoulder diameterdb min. | — | — | — | 56.5 mm | — | — |
| Maximum housing shoulder diameterDa max. | — | — | — | 83.5 mm | — | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | — | 57 mm | — | — |
| Maximum adjacent fillet radiusra max. | — | — | — | 1 mm | — | — |
| Maximum secondary adjacent fillet radiusrb max. | — | — | — | 1 mm | — | — |
| Performance | ||||||
| Dynamic loadC | — | — | — | — | — | 53.5 kN |
| Static loadC0 | — | — | — | — | — | 51 kN |
| Fatigue limit loadCu | — | — | — | — | — | 6.2 kN |
| Oil lubrication limit speedN lim | — | — | — | — | — | 9000 r/min |
| Grease lubrication limit speedN lim | — | — | — | — | — | 7600 r/min |
| Min operating temperatureTmin | — | — | — | — | — | -40 °C |
| Max operating temperatureTmax | — | — | — | — | — | 120 °C |
| Product characteristics | ||||||
| Catalogue construction | — | — | — | — | — | Single row cylindrical roller bearing, floating, separable, pressed steel cage |
| Cage construction | — | — | — | — | — | pressed steel cage |
| 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 | No | — | — | — | — | — |
| Product Identity | ||||||
| Construction | — | Cylindrical roller bearing NU..-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 | Cylindrical roller bearing NU..-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 | — | — | — |
| Short Description | — | Cylindrical roller bearing | Cylindrical roller bearing | — | — | — |
| Properties | ||||||
| Bearing part | Complete bearing | — | — | — | — | — |
| Axial displacement capability | In both directions | — | — | — | — | — |
| Number of rows | 1 | — | — | — | — | — |
| 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 | — | — | — | — | — |
| Indicative carbon footprint for new product | 1.8 kg CO 2 e | — | — | — | — | — |
| Technical Data | ||||||
| d | — | — | — | — | 90 mm | — |
| B | — | — | — | — | 20 mm | — |
| R(Min.) | — | — | — | — | 1.1 mm | — |
| Bore Diameter (D) | — | 50 mm | 50 mm | — | — | — |
| R1(Min.) | — | — | — | — | 1.1 mm | — |
| Outside Diamater (D) | — | 90 mm | 90 mm | — | — | — |
| Fw | — | — | — | — | 59.5 mm | — |
| Total Width (B) | — | 20 mm | 20 mm | — | — | — |
| Ew | — | — | — | — | - mm | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 75,000 N | 75,000 N | — | — | — |
| Basic Load Ratings : Cr | — | — | — | — | 82.5 kN | — |
| Basic Static Load Rating, Radial (C0R) | — | 69,000 N | 69,000 N | — | — | — |
| Basic Load Ratings : C0R | — | — | — | — | 71.9 kN | — |
| Raceway Diameter Inner Ring (F) | — | 59.5 mm | 59.5 mm | — | — | — |
| Fatigue Load Limit : Cu | — | — | — | — | 9.85 kN | — |
| Operating Temperature Min. (Tmin) | — | -30 °C | -30 °C | — | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | — | 7100 min-1 | — |
| Minimum Diameter Shaft Shoulder (Da) | — | 57 mm | 57 mm | — | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | — | 8500 min-1 | — |
| Operating Temperature Max. (Tmax) | — | 150 °C | 150 °C | — | — | — |
| Sd1 | — | — | — | — | - mm | — |
| Limiting Speed (Limiting Spe) | — | 14,500 1/min | 14,500 1/min | — | — | — |
| B1 | — | — | — | — | - mm | — |
| Reference Speed (Nϑr) | — | 6,600 1/min | 6,600 1/min | — | — | — |
| B2 | — | — | — | — | - mm | — |
| Maximum Recess Radius (Ra Max) | — | 1 mm | 1 mm | — | — | — |
| Da(Min.) | — | — | — | — | - mm | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 83 mm | 83 mm | — | — | — |
| Db(Min.) | — | — | — | — | - mm | — |
| Minimum Chamfer Dimension (R1 Min) | — | 1.1 mm | 1.1 mm | — | — | — |
| Db(Max.) | — | — | — | — | - mm | — |
| Axial Displacement (S) | — | 1.3 mm | 1.3 mm | — | — | — |
| Dc(Min.) | — | — | — | — | - mm | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 78.32 mm | 78.32 mm | — | — | — |
| Dd(Min.) | — | — | — | — | - mm | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 58 mm | 58 mm | — | — | — |
| Da(Max.) | — | — | — | — | 83.5 mm | — |
| Maximum Recess Radius (Ra1 Max) | — | 1 mm | 1 mm | — | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 1.1 mm | 1.1 mm | — | — | — |
| Raceway Diameter Outer Ring (E) | — | 81.5 mm | 81.5 mm | — | — | — |
| Ra(Max.) | — | — | — | — | 1 mm | — |
| Minimum Shaft Shoulder (Db Min) | — | 62 mm | 62 mm | — | — | — |
| Rb(Max.) | — | — | — | — | 1 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 9,000 N | 9,000 N | — | — | — |
| Mass(Refer.) | — | — | — | — | 0.497 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 | — | — | — | — |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.