Cross-brand designation analysis
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Same-model Comparison
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
“NU1084” across 4 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 | FAGNU1084-TB-M1420 × 620 × 90 mm | TIMKENNU1084MAC3420 × 620 × 90 mm | NSKNU1084420 × 620 × 90 mm | KOYONU1084420 × 620 × 90 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | FAG | TIMKEN | NSK | KOYO |
| Designation | NU1084-TB-M1 | NU1084MAC3 | NU1084 | NU1084 |
| Product family | — | Cylindrical 1-Row | Cylindrical roller bearing | Single-row / NU |
| Detailed type | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | NU1084 | EX27948 | — | — |
| Bore diameterd | 420 mm | 420 mm | 420 mm | 420 mm |
| Outside diameterD | 620 mm | 620 mm | 620 mm | 620 mm |
| WidthB | 90 mm | 90 mm | 90 mm | 90 mm |
| Basic dynamic load ratingC | 1410 kN | 1600 kN | 1710 kN | 1750 kN |
| Basic static load ratingC0 | 2430 kN | 2490 kN | 2380 kN | 2320 kN |
| Fatigue load limitPu | 183 kN | — | — | 228 kN |
| Reference speednref | 920 r/min | — | — | — |
| Limiting speednG | 1680 r/min | — | — | 730 r/min |
| Mass≈m | 90.75 kg | 91.4 kg | — | 94.6 kg |
| Precision class | PN — Normal (ISO 492:2023) | — | — | — |
| Internal clearance | CN (Group N) — Normal internal clearance | — | — | — |
| Sealing | — | Open | — | — |
| Cage | M1 — Two Piece Brass Cage Roller Guided | Window Brass cage | Machined brass | — |
| Minimum operating temperatureTmin | -30 °C | — | — | — |
| Maximum operating temperatureTmax | 150 °C | — | — | — |
| Boundary dimensions | ||||
| Bearing widthB | — | — | 90 mm | — |
| Minimum bearing chamferr min. | — | — | 5 mm | — |
| Minimum secondary bearing chamferr1 min. | — | — | 5 mm | — |
| Roller inscribed circle diameterFw | — | — | 470 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 | — | 0.2133 | — | — |
| 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 | — | — | 91.7 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 is usually omitted for this series | — |
| 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 | 9.6 mm | — | — | — |
| Axial displacements | 0.378 in | — | — | — |
| Raceway diameter outer ringE | 570 mm | — | — | — |
| Raceway diameter outer ringE | 22.441 in | — | — | — |
| Raceway diameter inner ringF | 470 mm | — | — | — |
| Raceway diameter inner ringF | 18.504 in | — | — | — |
| Minimum rib diameter outer ringD1 min | 550 mm | — | — | — |
| Minimum rib diameter outer ringD1 min | 21.654 in | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | 1710000 N | — |
| Basic static radial load ratingC0r | — | — | 2380000 N | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | 1100 r/min | — |
| Mechanical limiting speed — forced oil circulation | — | — | Not stated in this catalogue row | — |
| Limiting speed — grease | — | — | 850 r/min | — |
| Limiting speed — oil bath | — | — | 1100 r/min | — |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | 1,410,000 N | — | — | — |
| Basic dynamic load rating, radialCr | 316,996.403 lbf | — | — | — |
| Basic static load rating, radialC0r | 2,430,000 N | — | — | — |
| Basic static load rating, radialC0r | 546,312.95 lbf | — | — | — |
| Fatigue load limit, radialCur | 183,000 N | — | — | — |
| Fatigue load limit, radialCur | 41,142.086 lbf | — | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | 369822 | — | — | — |
| Material Number | — | 000000000190041446 | — | — |
| Official Class Key | — | — | — | 040-010-000 |
| Base Type | NU1084 | — | — | — |
| World Assembly Part Number | — | NU1084MA | — | — |
| Gpsd Group | F01 | — | — | — |
| Inner Ring Part Number | — | 420ARUA10 | — | — |
| Product Line Id | 75 | — | — | — |
| Outer Ring Part Number | — | 420ERUA10 | — | — |
| Drawing Number | — | M952244 | — | — |
| Upc | — | 0013992374608 | — | — |
| Official Source System | — | CORE BP - DS DF | — | — |
| Official Last Run | — | 2026-08-23T20:02:46.143 | — | — |
| SAP material number | 0815058920000 | — | — | — |
| Base product | 2305090102 | — | — | — |
| Bearing X designation | NU1084-TB-M1 | — | — | — |
| Mounting Manager ID | NU1084-TB-M1 | — | — | — |
| Grease application ID | NU1084-TB-M1 | — | — | — |
| Mounting dimensions | ||||
| Minimum diameter shaft shoulderda min | 437 mm | — | — | — |
| Minimum diameter shaft shoulderda min | 17.205 in | — | — | — |
| Maximum diameter of shaft shoulderda max | 465 mm | — | — | — |
| Maximum diameter of shaft shoulderda max | 18.307 in | — | — | — |
| Minimum shaft shoulderdb min | 475 mm | — | — | — |
| Minimum shaft shoulderdb min | 18.701 in | — | — | — |
| Maximum diameter of housing shoulderDa max | 603 mm | — | — | — |
| Maximum diameter of housing shoulderDa max | 23.74 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. | — | — | 440 mm | — |
| Maximum housing shoulder diameterDa max. | — | — | 600 mm | — |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | 465 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 | ||||
| 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 | 16.5354 in Bore | 24.4094 in OD | 3.5433 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C3 Clearance | — | — |
| Short Description | Cylindrical roller bearing | — | — | — |
| Type Description | — | Cylindrical 1-Row | — | — |
| Number Of Rows | — | 1 | — | — |
| Tapered Bore | — | N | — | — |
| Technical Data | ||||
| d | — | — | — | 620 mm |
| B | — | — | — | 90 mm |
| Bore Diameter (D) | 420 mm | — | — | — |
| R(Min.) | — | — | — | 5 mm |
| Outside Diamater (D) | 620 mm | — | — | — |
| R1(Min.) | — | — | — | 5 mm |
| Total Width (B) | 90 mm | — | — | — |
| Overall Width | — | 0.000 mm | — | — |
| Fw | — | — | — | 470 mm |
| Basic Dynamic Load Rating, Radial (Cr) | 1,410,000 N | — | — | — |
| Radial Rating | — | 1,600,000 N | — | — |
| Ew | — | — | — | - mm |
| Basic Static Load Rating, Radial (C0R) | 2,430,000 N | — | — | — |
| Axial Rating | — | 0 N | — | — |
| Basic Load Ratings : Cr | — | — | — | 1750 kN |
| Raceway Diameter Inner Ring (F) | 470 mm | — | — | — |
| Dynamic Rating C1 | — | 1,600,000 N | — | — |
| Basic Load Ratings : C0R | — | — | — | 2320 kN |
| Operating Temperature Min. (Tmin) | -30 °C | — | — | — |
| Dynamic Rating C90 | — | 0 N | — | — |
| Fatigue Load Limit : Cu | — | — | — | 228 kN |
| Minimum Diameter Shaft Shoulder (Da) | 437 mm | — | — | — |
| Dynamic Axial Rating Ca90 | — | 0 N | — | — |
| Limiting Speeds(Grease Lub.) | — | — | — | 730 min-1 |
| Operating Temperature Max. (Tmax) | 150 °C | — | — | — |
| Dynamic Axial Rating Ca1 | — | 0 N | — | — |
| Limiting Speeds(Oil Lub.) | — | — | — | 860 min-1 |
| Limiting Speed (Limiting Spe) | 1,680 1/min | — | — | — |
| Static Radial Rating C0 | — | 2,490,000 N | — | — |
| Sd1 | — | — | — | - mm |
| Reference Speed (Nϑr) | 920 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) | 603 mm | — | — | — |
| Da(Min.) | — | — | — | - mm |
| Minimum Chamfer Dimension (R1 Min) | 5 mm | — | — | — |
| Db(Min.) | — | — | — | - mm |
| Axial Displacement (S) | 9.6 mm | — | — | — |
| Db(Max.) | — | — | — | - mm |
| Minimum Rib Diameter Outer Ring (D1 Min) | 550 mm | — | — | — |
| Dc(Min.) | — | — | — | - mm |
| Maximum Diameter Of Shaft Shoulder (Da Max) | 465 mm | — | — | — |
| Dd(Min.) | — | — | — | - mm |
| Maximum Recess Radius (Ra1 Max) | 4 mm | — | — | — |
| Da(Max.) | — | — | — | 600 mm |
| Minimum Chamfer Dimension (Rmin) | 5 mm | — | — | — |
| Raceway Diameter Outer Ring (E) | 570 mm | — | — | — |
| Minimum Shaft Shoulder (Db Min) | 475 mm | — | — | — |
| Ra(Max.) | — | — | — | 4 mm |
| Fatigue Load Limit, Radial (Cur) | 183,000 N | — | — | — |
| Rb(Max.) | — | — | — | 4 mm |
| Mass(Refer.) | — | — | — | 94.6 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.