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You entered NU421-XL-M1-F1-C4. This table explores the base group NU421; it does not preserve or approve every requested suffix. Search your complete marking first →
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“NU421” across 3 loaded brands
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Technical comparison
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| Parameter | SKFNU 421 M105 × 260 × 60 mm | FAGNU421-XL-M1105 × 260 × 60 mm | KOYONU421105 × 260 × 60 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | FAG | KOYO |
| Designation | NU 421 M | NU421-XL-M1 | NU421 |
| Product family | Cylindrical roller bearings | — | Single-row / NU |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NU421 | — |
| Bore diameterd | 105 mm | 105 mm | 105 mm |
| Outside diameterD | 260 mm | 260 mm | 260 mm |
| WidthB | 60 mm | 60 mm | 60 mm |
| Basic dynamic load ratingC | 501 kN | 610 kN | 581 kN |
| Basic static load ratingC0 | 570 kN | 590 kN | 510 kN |
| Fatigue load limitPu | 64 kN | 71 kN | 67.6 kN |
| Reference speednref | 2800 r/min | 2750 r/min | — |
| Limiting speednG | 3400 r/min | 4750 r/min | 2400 r/min |
| Mass≈m | 17.4 kg | 17.4 kg | 19.1 kg |
| Precision class | — | PN — Normal (ISO 492:2023) | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — |
| Sealing | Without | — | — |
| Cage | Machined brass | M1 — Two Piece Brass Cage Roller Guided | — |
| Lubricant | None | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — |
| Maximum operating temperatureTmax | — | 150 °C | — |
| Capabilities & suitability | |||
| Radial load capacity | — | Yes | — |
| Suitable for grease lubrication | — | Yes | — |
| Suitable for oil lubrication | — | Yes | — |
| Unsealed design | — | Yes | — |
| Classification | |||
| Official Category Path | — | — | Cylindrical roller bearings - Single-row - NU |
| Official Classification 1 | — | — | Cylindrical roller bearings / Single-row / NU |
| Dimensions | |||
| Minimum chamfer dimensionrmin | — | 4 mm | — |
| Minimum chamfer dimensionrmin | — | 0.157 in | — |
| Minimum chamfer dimensionr1 min | — | 4 mm | — |
| Minimum chamfer dimensionr1 min | — | 0.157 in | — |
| Axial displacements | — | 5.7 mm | — |
| Axial displacements | — | 0.224 in | — |
| Raceway diameter outer ringE | — | 220.5 mm | — |
| Raceway diameter outer ringE | — | 8.681 in | — |
| Raceway diameter inner ringF | — | 144.5 mm | — |
| Raceway diameter inner ringF | — | 5.689 in | — |
| Minimum rib diameter outer ringD1 min | — | 207.4 mm | — |
| Minimum rib diameter outer ringD1 min | — | 8.165 in | — |
| Engineering — Abutment dimensions | |||
| Diameter of spacer sleeved a | max. 140 mm | — | — |
| Diameter of shaft abutmentd b | min. 147 mm | — | — |
| Diameter of housing abutmentD a | max. 241 mm | — | — |
| Radius of filletr a | max. 3 mm | — | — |
| Radius of filletr b | max. 3 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 | ≈ 206.3 mm | — | — |
| Raceway diameter of inner ringF | 144.5 mm | — | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — | — |
| Chamfer dimensionr 3,4 | min. 4 mm | — | — |
| Permissible axial displacements | max. 4.9 mm | — | — |
| Logistics | |||
| Product net weight | 17.4 kg | — | — |
| eClass code | 23-05-09-01 | — | — |
| UNSPSC code | 31171505 | — | — |
| Main Dimensions & Performance Data | |||
| Basic dynamic load rating, radialCr | — | 610,000 N | — |
| Basic dynamic load rating, radialCr | — | 137,140.288 lbf | — |
| Basic static load rating, radialC0r | — | 590,000 N | — |
| Basic static load rating, radialC0r | — | 132,643.885 lbf | — |
| Fatigue load limit, radialCur | — | 71,000 N | — |
| Fatigue load limit, radialCur | — | 15,962.23 lbf | — |
| Manufacturer Identity | |||
| Schaeffler Product Code | — | 369412 | — |
| Official Class Key | — | — | 040-010-000 |
| Base Type | — | NU421 | — |
| Old Designation | — | ["NU421-M1","NU421M1"] | — |
| Gpsd Group | — | F01 | — |
| Product Line Id | — | 63 | — |
| X Life Marking | — | XL | — |
| SAP material number | — | 0167406610000 | — |
| Base product | — | 2305090102 | — |
| Bearing X designation | — | NU421-XL-M1 | — |
| Mounting Manager ID | — | NU421-XL-M1 | — |
| Grease application ID | — | NU421-XL-M1 | — |
| Mounting dimensions | |||
| Minimum diameter shaft shoulderda min | — | 125 mm | — |
| Minimum diameter shaft shoulderda min | — | 4.921 in | — |
| Maximum diameter of shaft shoulderda max | — | 143 mm | — |
| Maximum diameter of shaft shoulderda max | — | 5.63 in | — |
| Minimum shaft shoulderdb min | — | 147 mm | — |
| Minimum shaft shoulderdb min | — | 5.787 in | — |
| Maximum diameter of housing shoulderDa max | — | 240 mm | — |
| Maximum diameter of housing shoulderDa max | — | 9.449 in | — |
| Maximum recess radiusra max | — | 3 mm | — |
| Maximum recess radiusra max | — | 0.118 in | — |
| Maximum recess radiusra1 max | — | 3 mm | — |
| Maximum recess radiusra1 max | — | 0.118 in | — |
| Product characteristics | |||
| Design | — | Standard | — |
| 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..-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 | 64.5 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 260 mm |
| B | — | — | 60 mm |
| R(Min.) | — | — | 4 mm |
| R1(Min.) | — | — | 4 mm |
| Bore Diameter (D) | — | 105 mm | — |
| Fw | — | — | 144.5 mm |
| Outside Diamater (D) | — | 260 mm | — |
| Ew | — | — | - mm |
| Total Width (B) | — | 60 mm | — |
| Basic Load Ratings : Cr | — | — | 581 kN |
| Basic Dynamic Load Rating, Radial (Cr) | — | 610,000 N | — |
| Basic Load Ratings : C0R | — | — | 510 kN |
| Basic Static Load Rating, Radial (C0R) | — | 590,000 N | — |
| Fatigue Load Limit : Cu | — | — | 67.6 kN |
| Raceway Diameter Inner Ring (F) | — | 144.5 mm | — |
| Limiting Speeds(Grease Lub.) | — | — | 2400 min-1 |
| Operating Temperature Min. (Tmin) | — | -30 °C | — |
| Limiting Speeds(Oil Lub.) | — | — | 3100 min-1 |
| Minimum Diameter Shaft Shoulder (Da) | — | 125 mm | — |
| Sd1 | — | — | - mm |
| Operating Temperature Max. (Tmax) | — | 150 °C | — |
| B1 | — | — | - mm |
| Limiting Speed (Limiting Spe) | — | 4,750 1/min | — |
| B2 | — | — | - mm |
| Reference Speed (Nϑr) | — | 2,750 1/min | — |
| Da(Min.) | — | — | - mm |
| Maximum Recess Radius (Ra Max) | — | 3 mm | — |
| Db(Min.) | — | — | - mm |
| Maximum Diameter Of Housing Shoulder (Da) | — | 240 mm | — |
| Db(Max.) | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | — | 4 mm | — |
| Dc(Min.) | — | — | - mm |
| Axial Displacement (S) | — | 5.7 mm | — |
| Dd(Min.) | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 207.4 mm | — |
| Da(Max.) | — | — | 244 mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 143 mm | — |
| Maximum Recess Radius (Ra1 Max) | — | 3 mm | — |
| Minimum Chamfer Dimension (Rmin) | — | 4 mm | — |
| Ra(Max.) | — | — | 3 mm |
| Raceway Diameter Outer Ring (E) | — | 220.5 mm | — |
| Rb(Max.) | — | — | 3 mm |
| Minimum Shaft Shoulder (Db Min) | — | 147 mm | — |
| Mass(Refer.) | — | — | 19.1 kg |
| Fatigue Load Limit, Radial (Cur) | — | 71,000 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.