Cross-brand designation analysis
COMPARE / VERIFY
Same-model Comparison
Explore products that share a base designation across loaded brands, with dimensional agreement and data gaps shown clearly.
Automatic candidate selection
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 differ
“NU18” across 2 loaded brands
The base designation is shared, but the loaded boundary dimensions do not agree. Use Custom Compare when you want to choose exact suffix variants yourself.
Technical comparison
Choose exact variants instead →Brand differences at a glance
| Parameter | SKFNU 18/800 ECMA800 × 980 × 82 mm | TIMKENNU18/560MA560 × 680 × 56 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | TIMKEN |
| Designation | NU 18/800 ECMA | NU18/560MA |
| Product family | Cylindrical roller bearings | Cylindrical 1-Row |
| Detailed type | Single row cylindrical roller bearing, nu design | Cylindrical roller bearings |
| Series | — | EX27657 |
| Bore diameterd | 800 mm | 560 mm |
| Outside diameterD | 980 mm | 680 mm |
| WidthB | 82 mm | 56 mm |
| Basic dynamic load ratingC | 1720 kN | 806 kN |
| Basic static load ratingC0 | 4150 kN | 1730 kN |
| Fatigue load limitPu | 190 kN | — |
| Reference speednref | 530 r/min | — |
| Limiting speednG | 700 r/min | — |
| Mass≈m | 137 kg | 40.9 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 | — | 0.2359 |
| Engineering — Abutment dimensions | ||
| Diameter of spacer sleeved a | max. 840 mm | — |
| Diameter of shaft abutmentd b | min. 861 mm | — |
| Diameter of housing abutmentD a | max. 962 mm | — |
| Radius of filletr a | max. 4 mm | — |
| Radius of filletr b | max. 4 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 | ≈ 920 mm | — |
| Raceway diameter of inner ringF | 846 mm | — |
| Chamfer dimensionr 1,2 | min. 5 mm | — |
| Permissible axial displacements | max. 1 mm | — |
| Logistics | ||
| Product net weight | 137.0 kg | — |
| eClass code | 23-05-09-01 | — |
| UNSPSC code | 31171505 | — |
| Manufacturer Identity | ||
| Material Number | — | 000000000190060328 |
| World Assembly Part Number | — | NU18/560MA |
| Inner Ring Part Number | — | 560ARUA18 |
| Outer Ring Part Number | — | 560ERUA18 |
| Drawing Number | — | M102163 |
| Upc | — | 0013992419392 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:47.403 |
| 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 | 22.0472 in Bore | 26.7717 in OD | 2.2047 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 both directions | — |
| 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 | — |
| Candidate for remanufacturing | Yes | — |
| Indicative carbon footprint for new product | 507.0 kg CO 2 e | — |
| Indicative carbon footprint for remanufactured product | 169.0 kg CO 2 e | — |
| Technical Data | ||
| Overall Width | — | 0.000 mm |
| Radial Rating | — | 806,000 N |
| Axial Rating | — | 0 N |
| Dynamic Rating C1 | — | 806,000 N |
| Dynamic Rating C90 | — | 0 N |
| Dynamic Axial Rating Ca90 | — | 0 N |
| Dynamic Axial Rating Ca1 | — | 0 N |
| Static Radial Rating C0 | — | 1,730,000 N |
| Extended Dynamic Rating Ce | — | 0 N |
| Static Axial Rating C0A | — | 0 N |
Automatic matching is a search aid, not an interchangeability declaration. Confirm the full suffix, tolerances, internal design and application limits before substitution.