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
“NJ2248” across 3 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 2248 MA240 × 440 × 120 mm | TIMKENNJ2248EMA240 × 440 × 120 mm | KOYONJ2248240 × 440 × 120 mm |
|---|---|---|---|
| Comparable specifications | |||
| Brand | SKF | TIMKEN | KOYO |
| Designation | NJ 2248 MA | NJ2248EMA | NJ2248 |
| Product family | Cylindrical roller bearings | Cylindrical 1-Row | Single-row / NJ |
| Detailed type | Single row cylindrical roller bearing, nj design | Cylindrical roller bearings | Cylindrical roller bearings |
| Series | — | EX27837 | — |
| Bore diameterd | 240 mm | 240 mm | 240 mm |
| Outside diameterD | 440 mm | 440 mm | 440 mm |
| WidthB | 120 mm | 120 mm | 120 mm |
| Basic dynamic load ratingC | 1450 kN | 2040 kN | 1790 kN |
| Basic static load ratingC0 | 2360 kN | 2680 kN | 2320 kN |
| Fatigue load limitPu | 224 kN | — | 246 kN |
| Reference speednref | 1500 r/min | — | — |
| Limiting speednG | 2200 r/min | — | 1100 r/min |
| Mass≈m | 86 kg | 83 kg | 84.5 kg |
| Internal clearance | CN | — | — |
| Sealing | Without | Open | — |
| Cage | Machined brass | Window Brass cage | — |
| Lubricant | None | — | — |
| Calculation Factors | |||
| K Factor | — | 0.00 | — |
| Y1 Factor | — | 0.00 | — |
| Y2 Factor | — | 0.00 | — |
| Y0 Factor | — | 0.00 | — |
| E Factor | — | 0.00 | — |
| Cg Factor | — | 0.1746 | — |
| Classification | |||
| Official Category Path | — | — | Cylindrical roller bearings - Single-row - NJ |
| Official Classification 1 | — | — | Cylindrical roller bearings / Single-row / NJ |
| Engineering — Abutment dimensions | |||
| Diameter of spacer sleeved a | max. 284 mm | — | — |
| Diameter of shaft abutmentd b | min. 317 mm | — | — |
| Diameter of housing abutmentD a | max. 423 mm | — | — |
| Radius of filletr a | max. 3 mm | — | — |
| Engineering — Calculation data | |||
| Minimum load factork r | 0.2 | — | — |
| Limiting valuee | 0.3 | — | — |
| Calculation factorY | 0.4 | — | — |
| Engineering — Dimensions | |||
| Shoulder diameter of inner ringd 1 | ≈ 313 mm | — | — |
| Shoulder diameter of outer ringD 1 | ≈ 365 mm | — | — |
| Raceway diameter of inner ringF | 295 mm | — | — |
| Chamfer dimensionr 1,2 | min. 4 mm | — | — |
| Permissible axial displacements | max. 4.3 mm | — | — |
| Logistics | |||
| Product net weight | 86.0 kg | — | — |
| eClass code | 23-05-09-01 | — | — |
| UNSPSC code | 31171505 | — | — |
| Manufacturer Identity | |||
| Material Number | — | 000000000190023851 | — |
| Official Class Key | — | — | 040-010-000 |
| World Assembly Part Number | — | NJ2248EMA | — |
| Inner Ring Part Number | — | 240ARJE22 | — |
| Outer Ring Part Number | — | 240ERUE22 | — |
| Drawing Number | — | M941406 | — |
| Upc | — | 0087796313590 | — |
| Official Source System | — | CORE BP - DS DF | — |
| Official Last Run | — | 2026-08-23T20:02:48.51 | — |
| 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 | |||
| Type Description | — | Cylindrical 1-Row | — |
| Construction | — | Single Row Cylindrical Roller Bearing | Imperial Series | 9.4488 in Bore | 17.3228 in OD | 4.7244 in Width | Open | Cylindrical Bore | Machined Window Brass Cage | C0 Clearance | — |
| 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 | 318.0 kg CO 2 e | — | — |
| Indicative carbon footprint for remanufactured product | 106.0 kg CO 2 e | — | — |
| Technical Data | |||
| d | — | — | 440 mm |
| B | — | — | 120 mm |
| R(Min.) | — | — | 4 mm |
| R1(Min.) | — | — | 4 mm |
| Overall Width | — | 0.000 mm | — |
| Fw | — | — | 295 mm |
| Radial Rating | — | 2,040,000 N | — |
| Ew | — | — | - mm |
| Axial Rating | — | 0 N | — |
| Basic Load Ratings : Cr | — | — | 1790 kN |
| Dynamic Rating C1 | — | 2,040,000 N | — |
| Basic Load Ratings : C0R | — | — | 2320 kN |
| Dynamic Rating C90 | — | 0 N | — |
| Fatigue Load Limit : Cu | — | — | 246 kN |
| Dynamic Axial Rating Ca90 | — | 0 N | — |
| Limiting Speeds(Grease Lub.) | — | — | 1100 min-1 |
| Dynamic Axial Rating Ca1 | — | 0 N | — |
| Limiting Speeds(Oil Lub.) | — | — | 1500 min-1 |
| Static Radial Rating C0 | — | 2,680,000 N | — |
| Sd1 | — | — | - mm |
| Extended Dynamic Rating Ce | — | 0 N | — |
| B1 | — | — | - mm |
| Static Axial Rating C0A | — | 0 N | — |
| B2 | — | — | - mm |
| Da(Min.) | — | — | - mm |
| Db(Min.) | — | — | - mm |
| Db(Max.) | — | — | - mm |
| Dc(Min.) | — | — | - mm |
| Dd(Min.) | — | — | - mm |
| Da(Max.) | — | — | 424 mm |
| Ra(Max.) | — | — | 3 mm |
| Rb(Max.) | — | — | 3 mm |
| Mass(Refer.) | — | — | 84.5 kg |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.