Cross-brand designation analysis
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You entered NJ1044MAC4. This table explores the base group NJ1044; it does not preserve or approve every requested suffix. Search your complete marking first →
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Dimensions verified
“NJ1044” 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 | SKFNJ 1044 ML220 × 340 × 56 mm | FAGNJ1044-M1220 × 340 × 56 mm | TIMKENNJ1044MA220 × 340 × 56 mm | NSKNJ1044220 × 340 × 56 mm |
|---|---|---|---|---|
| Comparable specifications | ||||
| Brand | SKF | FAG | TIMKEN | NSK |
| Designation | NJ 1044 ML | NJ1044-M1 | NJ1044MA | NJ1044 |
| Product family | Cylindrical roller bearings | — | Cylindrical 1-Row | Cylindrical roller bearing |
| Detailed type | Single row cylindrical roller bearing, nj design | Cylindrical roller bearings | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | NJ1044 | EX27782 | — |
| Bore diameterd | 220 mm | 220 mm | 220 mm | 220 mm |
| Outside diameterD | 340 mm | 340 mm | 340 mm | 340 mm |
| WidthB | 56 mm | 56 mm | 56 mm | 56 mm |
| Basic dynamic load ratingC | 570 kN | 510 kN | 565 kN | 615 kN |
| Basic static load ratingC0 | 735 kN | 770 kN | 765 kN | 750 kN |
| Fatigue load limitPu | 73.5 kN | 89 kN | — | — |
| Reference speednref | 2200 r/min | 2040 r/min | — | — |
| Limiting speednG | 3200 r/min | 3150 r/min | — | — |
| Mass≈m | 18.5 kg | 19 kg | 18.9 kg | — |
| Precision class | — | PN — Normal (ISO 492:2023) | — | — |
| Internal clearance | CN | CN (Group N) — Normal internal clearance | — | — |
| Sealing | Without | — | Open | — |
| Cage | Machined brass | M1 — Two Piece Brass Cage Roller Guided | Window Brass cage | Machined brass |
| Lubricant | None | — | — | — |
| Minimum operating temperatureTmin | — | -30 °C | — | — |
| Maximum operating temperatureTmax | — | 150 °C | — | — |
| Boundary dimensions | ||||
| Bearing widthB | — | — | — | 56 mm |
| Minimum bearing chamferr min. | — | — | — | 3 mm |
| Minimum secondary bearing chamferr1 min. | — | — | — | 3 mm |
| Roller inscribed circle diameterFw | — | — | — | 250 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 | — | — | 0.1300 | — |
| Capabilities & suitability | ||||
| Radial load capacity | — | Yes | — | — |
| Axial load capacity in one direction | — | 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 | — | — | — | 18.2 kg |
| Construction | ||||
| Single-row construction type | — | — | — | NJ |
| Rib arrangement | — | — | — | Two outer-ring ribs; one inner-ring rib |
| 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 | — | 3 mm | — | — |
| Minimum chamfer dimensionrmin | — | 0.118 in | — | — |
| Minimum chamfer dimensionr1 min | — | 3 mm | — | — |
| Minimum chamfer dimensionr1 min | — | 0.118 in | — | — |
| Axial displacements | — | 6.2 mm | — | — |
| Axial displacements | — | 0.244 in | — | — |
| Raceway diameter outer ringE | — | 310 mm | — | — |
| Raceway diameter outer ringE | — | 12.205 in | — | — |
| Raceway diameter inner ringF | — | 250 mm | — | — |
| Raceway diameter inner ringF | — | 9.843 in | — | — |
| Minimum rib diameter outer ringD1 min | — | 298.9 mm | — | — |
| Minimum rib diameter outer ringD1 min | — | 11.768 in | — | — |
| Maximum rib diameter inner ringd1 | — | 261.7 mm | — | — |
| Maximum rib diameter inner ringd1 | — | 10.303 in | — | — |
| Engineering — Abutment dimensions | ||||
| Diameter of spacer sleeved a | max. 246 mm | — | — | — |
| Diameter of shaft abutmentd b | min. 266 mm | — | — | — |
| Diameter of housing abutmentD a | max. 328 mm | — | — | — |
| Radius of filletr a | max. 2.5 mm | — | — | — |
| Engineering — Associated products | ||||
| Angle ring | HJ 1044 | — | — | — |
| 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 inner ringd 1 | ≈ 262 mm | — | — | — |
| Shoulder diameter of outer ringD 1 | ≈ 296.2 mm | — | — | — |
| Raceway diameter of inner ringF | 250 mm | — | — | — |
| Chamfer dimensionr 1,2 | min. 3 mm | — | — | — |
| Chamfer dimensionr 3,4 | min. 3 mm | — | — | — |
| Permissible axial displacements | max. 7.5 mm | — | — | — |
| Load ratings — standard cage | ||||
| Basic dynamic radial load ratingCr | — | — | — | 615000 N |
| Basic static radial load ratingC0r | — | — | — | 750000 N |
| Logistics | ||||
| Product net weight | 18.5 kg | — | — | — |
| eClass code | 23-05-09-01 | — | — | — |
| UNSPSC code | 31171505 | — | — | — |
| Lubrication-qualified speed — standard cage | ||||
| Thermal speed rating — oil bath | — | — | — | 2400 r/min |
| Mechanical limiting speed — forced oil circulation | — | — | — | Not stated in this catalogue row |
| Limiting speed — grease | — | — | — | 1800 r/min |
| Limiting speed — oil bath | — | — | — | 2200 r/min |
| Main Dimensions & Performance Data | ||||
| Basic dynamic load rating, radialCr | — | 510,000 N | — | — |
| Basic dynamic load rating, radialCr | — | 114,658.273 lbf | — | — |
| Basic static load rating, radialC0r | — | 770,000 N | — | — |
| Basic static load rating, radialC0r | — | 173,111.511 lbf | — | — |
| Fatigue load limit, radialCur | — | 89,000 N | — | — |
| Fatigue load limit, radialCur | — | 20,008.993 lbf | — | — |
| Manufacturer Identity | ||||
| Schaeffler Product Code | — | 372128 | — | — |
| Material Number | — | — | 000000000100211886 | — |
| Base Type | — | NJ1044 | — | — |
| World Assembly Part Number | — | — | NJ1044MA | — |
| Old Designation | — | ["NJ1044M1"] | — | — |
| Inner Ring Part Number | — | — | 220ARJA10 | — |
| Gpsd Group | — | F01 | — | — |
| Outer Ring Part Number | — | — | 220ERUA10 | — |
| Product Line Id | — | 75 | — | — |
| Drawing Number | — | — | M104604 | — |
| Upc | — | — | 0053893773704 | — |
| Official Source System | — | — | CORE BP - DS DF | — |
| Official Last Run | — | — | 2026-08-23T20:02:47.753 | — |
| SAP material number | — | 0381923060000 | — | — |
| Base product | — | 2305090111 | — | — |
| Mounting dimensions | ||||
| Minimum diameter shaft shoulderda min | — | 232 mm | — | — |
| Minimum diameter shaft shoulderda min | — | 9.134 in | — | — |
| Maximum diameter of shaft shoulderda max | — | 248 mm | — | — |
| Maximum diameter of shaft shoulderda max | — | 9.764 in | — | — |
| Maximum diameter of housing shoulderDa max | — | 328 mm | — | — |
| Maximum diameter of housing shoulderDa max | — | 12.913 in | — | — |
| Minimum shaft shoulderdc min | — | 265 mm | — | — |
| Minimum shaft shoulderdc min | — | 10.433 in | — | — |
| Maximum recess radiusra max | — | 2.5 mm | — | — |
| Maximum recess radiusra max | — | 0.098 in | — | — |
| Mounting dimensions — shown arrangement | ||||
| Minimum shaft shoulder diameterdb min. | — | — | — | 233 mm |
| Maximum housing shoulder diameterDa max. | — | — | — | 327 mm |
| Maximum adjusting-ring diameter (NU/NJ arrangement)db max. | — | — | — | 247 mm |
| Maximum adjacent fillet radiusra max. | — | — | — | 2.5 mm |
| Maximum secondary adjacent fillet radiusrb max. | — | — | — | 2.5 mm |
| 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 | Yes | — | — | — |
| Product Identity | ||||
| Construction | — | Cylindrical roller bearing NJ..-M1, with cage, single row, semi-locating bearing, 2 ribs on outer ring, 1 rib on inner ring, type NJ | Single Row Cylindrical Roller Bearing | Imperial Series | 8.6614 in Bore | 13.3858 in OD | 2.2047 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C0 Clearance | — |
| Short Description | — | Cylindrical roller bearing | — | — |
| Type Description | — | — | Cylindrical 1-Row | — |
| Number Of Rows | 1 | — | 1 | — |
| Tapered Bore | — | — | N | — |
| Properties | ||||
| Bearing part | Complete bearing | — | — | — |
| Axial displacement capability | In one direction | — | — | — |
| Locating feature, bearing outer ring | Without | — | — | — |
| Bore type | Cylindrical | — | — | — |
| Number of flanges, outer ring | 2 | — | — | — |
| Number of flanges, inner ring | 1 | — | — | — |
| 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 | 68.5 kg CO 2 e | — | — | — |
| Indicative carbon footprint for remanufactured product | 22.8 kg CO 2 e | — | — | — |
| Technical Data | ||||
| Bore Diameter (D) | — | 220 mm | — | — |
| Outside Diamater (D) | — | 340 mm | — | — |
| Overall Width | — | — | 0.000 mm | — |
| Total Width (B) | — | 56 mm | — | — |
| Radial Rating | — | — | 565,000 N | — |
| Basic Dynamic Load Rating, Radial (Cr) | — | 510,000 N | — | — |
| Axial Rating | — | — | 0 N | — |
| Basic Static Load Rating, Radial (C0R) | — | 770,000 N | — | — |
| Dynamic Rating C1 | — | — | 565,000 N | — |
| Raceway Diameter Inner Ring (F) | — | 250 mm | — | — |
| Dynamic Rating C90 | — | — | 0 N | — |
| Operating Temperature Min. (Tmin) | — | -30 °C | — | — |
| Dynamic Axial Rating Ca90 | — | — | 0 N | — |
| Minimum Diameter Shaft Shoulder (Da) | — | 232 mm | — | — |
| Dynamic Axial Rating Ca1 | — | — | 0 N | — |
| Operating Temperature Max. (Tmax) | — | 150 °C | — | — |
| Static Radial Rating C0 | — | — | 765,000 N | — |
| Limiting Speed (Limiting Spe) | — | 3,150 1/min | — | — |
| Extended Dynamic Rating Ce | — | — | 0 N | — |
| Minimum Shaft Shoulder (Dc Min) | — | 265 mm | — | — |
| Static Axial Rating C0A | — | — | 0 N | — |
| Reference Speed (Nϑr) | — | 2,040 1/min | — | — |
| Maximum Recess Radius (Ra Max) | — | 2.5 mm | — | — |
| Maximum Diameter Of Housing Shoulder (Da) | — | 328 mm | — | — |
| Maximum Rib Diameter Inner Ring (D1) | — | 261.7 mm | — | — |
| Minimum Chamfer Dimension (R1 Min) | — | 3 mm | — | — |
| Axial Displacement (S) | — | 6.2 mm | — | — |
| Minimum Rib Diameter Outer Ring (D1 Min) | — | 298.9 mm | — | — |
| Maximum Diameter Of Shaft Shoulder (Da Max) | — | 248 mm | — | — |
| Minimum Chamfer Dimension (Rmin) | — | 3 mm | — | — |
| Raceway Diameter Outer Ring (E) | — | 310 mm | — | — |
| Fatigue Load Limit, Radial (Cur) | — | 89,000 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.