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You entered NU221-E-XL-TVP2. This table explores the base group NU221; it does not preserve or approve every requested suffix. Search your complete marking first →
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“NU221” across 3 loaded brands
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Technical comparison
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| Parameter | SKFNU 221 ECJ105 × 190 × 36 mm | FAGNU221-E-XL-M1105 × 190 × 36 mm | NSKNU221EM105 × 190 × 36 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | NSK |
| Designation | NU 221 ECJ | NU221-E-XL-M1 | NU221EM |
| Product family | Cylindrical roller bearings | — | Cylindrical roller bearing |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU221 | — |
| Bore diameterd | 105 mm | 105 mm | 105 mm |
| Outside diameterD | 190 mm | 190 mm | 190 mm |
| WidthB | 36 mm | 36 mm | 36 mm |
| Basic dynamic load ratingC | 300 kN | 310 kN | 320 kN |
| Basic static load ratingC0 | 315 kN | 320 kN | 310 kN |
| Fatigue load limitPu | 36.5 kN | 41.5 kN | — |
| Reference speednref | 3800 r/min | 3400 r/min | — |
| Limiting speednG | 4300 r/min | 6500 r/min | — |
| Mass≈m | 3.97 kg | 4.46 kg | — |
| Precision class | — | PN — Normal (ISO 492:2023) | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — |
| Sealing | Without | — | — |
| Cage | Sheet metal | M1 — Two Piece Brass Cage Roller Guided | Machined brass |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 150 °C | — |
| Boundary dimensions | |||
| Bearing widthB | — | — | 36 mm |
| Minimum bearing chamferr min. | — | — | 2.1 mm |
| Minimum secondary bearing chamferr1 min. | — | — | 2.1 mm |
| Roller inscribed circle diameterFw | — | — | 125 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 | — | — | 4.58 kg |
| 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 | — | — | Catalogue asterisk: optimized crowning may be available; not verified as fitted |
| Dimensions | |||
| Minimum chamfer dimensionrmin | — | 2.1 mm | — |
| Minimum chamfer dimensionrmin | — | 0.083 in | — |
| Minimum chamfer dimensionr1 min | — | 2.1 mm | — |
| Minimum chamfer dimensionr1 min | — | 0.083 in | — |
| Axial displacements | — | 1.3 mm | — |
| Axial displacements | — | 0.051 in | — |
| Raceway diameter outer ringE | — | 171.5 mm | — |
| Raceway diameter outer ringE | — | 6.752 in | — |
| Raceway diameter inner ringF | — | 125.5 mm | — |
| Raceway diameter inner ringF | — | 4.941 in | — |
| Minimum rib diameter outer ringD1 min | — | 165.12 mm | — |
| Minimum rib diameter outer ringD1 min | — | 6.501 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of spacer sleeved a | max. 122 mm | — | — |
| Diameter of shaft abutmentd b | min. 128 mm | — | — |
| Diameter of housing abutmentD a | max. 177.3 mm | — | — |
| Radius of filletr a | max. 2 mm | — | — |
| Radius of filletr b | max. 2 mm | — | — |
| Engineering — Associated products | |||
| Angle ring | HJ 221 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 | ≈ 164.2 mm | — | — |
| Raceway diameter of inner ringF | 125 mm | — | — |
| Chamfer dimensionr 1,2 | min. 2.1 mm | — | — |
| Chamfer dimensionr 3,4 | min. 2.1 mm | — | — |
| Permissible axial displacements | max. 2 mm | — | — |
| Load ratings — standard cage | |||
| Basic dynamic radial load ratingCr | — | — | 320000 N |
| Basic static radial load ratingC0r | — | — | 310000 N |
| Logistics | |||
| Product net weight | 3.97 kg | — | — |
| eClass code | 23-05-09-01 | — | — |
| UNSPSC code | 31171505 | — | — |
| Lubrication-qualified speed — standard cage | |||
| Thermal speed rating — oil bath | — | — | 4300 r/min |
| Mechanical limiting speed — forced oil circulation | — | — | 6000 r/min |
| Limiting speed — grease | — | — | 3400 r/min |
| Limiting speed — oil bath | — | — | 4000 r/min |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 310,000 N | — |
| Basic dynamic load rating, radialCr | — | 69,694.245 lbf | — |
| Basic static load rating, radialC0r | — | 320,000 N | — |
| Basic static load rating, radialC0r | — | 71,942.446 lbf | — |
| Fatigue load limit, radialCur | — | 41,500 N | — |
| Fatigue load limit, radialCur | — | 9,330.036 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 368067 | — |
| Base Type | — | NU221 | — |
| Old Designation | — | ["NU221-E-M1","NU221E.M1"] | — |
| Gpsd Group | — | F01 | — |
| Product Line Id | — | 63 | — |
| X Life Marking | — | XL | — |
| SAP material number | — | 0192419760000 | — |
| Base product | — | 2305090102 | — |
| Bearing X designation | — | NU221-E-XL-M1 | — |
| Mounting Manager ID | — | NU221-E-XL-M1 | — |
| Grease application ID | — | NU221-E-XL-M1 | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 117 mm | — |
| Minimum diameter shaft shoulderda min | — | 4.606 in | — |
| Maximum diameter of shaft shoulderda max | — | 123 mm | — |
| Maximum diameter of shaft shoulderda max | — | 4.843 in | — |
| Minimum shaft shoulderdb min | — | 128 mm | — |
| Minimum shaft shoulderdb min | — | 5.039 in | — |
| Maximum diameter of housing shoulderDa max | — | 178 mm | — |
| Maximum diameter of housing shoulderDa max | — | 7.008 in | — |
| Maximum recess radiusra max | — | 2 mm | — |
| Maximum recess radiusra max | — | 0.079 in | — |
| Maximum recess radiusra1 max | — | 2 mm | — |
| Maximum recess radiusra1 max | — | 0.079 in | — |
| Mounting dimensions — shown arrangement | |||
| Minimum shaft shoulder diameterdb min. | — | — | 116 mm |
| Maximum housing shoulder diameterDa max. | — | — | 179 mm |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | 121 mm |
| Maximum adjacent fillet radiusra max. | — | — | 2 mm |
| Maximum secondary adjacent fillet radiusrb max. | — | — | 2 mm |
| 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 | 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 | — |
| Short Description | — | 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 | 14.7 kg CO 2 e | — | — |
| Technical Data | |||
| Bore Diameter (D) | — | 105 mm | — |
| Outside Diamater (D) | — | 190 mm | — |
| Total Width (B) | — | 36 mm | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 310,000 N | — |
| Basic Static Load Rating, Radial (C0R) | — | 320,000 N | — |
| Raceway Diameter Inner Ring (F) | — | 125.5 mm | — |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Minimum Diameter Shaft Shoulder (Da) | — | 117 mm | — |
| Operating Temperature Max. (Tmax) | — | 150 °C | — |
| Limiting Speed (Limiting Spe) | — | 6,500 1/min | — |
| Reference Speed (Nϑr) | — | 3,400 1/min | — |
| Maximum Recess Radius (Ra Max) | — | 2 mm | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 178 mm | — |
| Minimum Chamfer Dimension (R1 Min) | — | 2.1 mm | — |
| Axial Displacement (S) | — | 1.3 mm | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 165.12 mm | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 123 mm | — |
| Maximum Recess Radius (Ra1 Max) | — | 2 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 2.1 mm | — |
| Raceway Diameter Outer Ring (E) | — | 171.5 mm | — |
| Minimum Shaft Shoulder (Db Min) | — | 128 mm | — |
| Fatigue Load Limit, Radial (Cur) | — | 41,500 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.