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| Parameter | SKFNJ 29/630 ECMA/HB1630 × 850 × 128 mm | TIMKENNJ29/630EMA630 × 850 × 128 mm |
|---|---|---|
| Comparable specifications | ||
| Brand | SKF | TIMKEN |
| Designation | NJ 29/630 ECMA/HB1 | NJ29/630EMA |
| Product family | Cylindrical roller bearings | Cylindrical 1-Row |
| Detailed type | Single row cylindrical roller bearing, nj design | Cylindrical roller bearings |
| Series | — | EX27960 |
| Bore diameterd | 630 mm | 630 mm |
| Outside diameterD | 850 mm | 850 mm |
| WidthB | 128 mm | 128 mm |
| Basic dynamic load ratingC | 3300 kN | 3670 kN |
| Basic static load ratingC0 | 7200 kN | 7060 kN |
| Fatigue load limitPu | 510 kN | — |
| Reference speednref | 700 r/min | — |
| Limiting speednG | 900 r/min | — |
| Mass≈m | 225 kg | 212.8 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 | — | 0.3169 |
| Engineering — Abutment dimensions | ||
| Diameter of spacer sleeved a | max. 678 mm | — |
| Diameter of shaft abutmentd b | min. 709 mm | — |
| Diameter of housing abutmentD a | max. 827 mm | — |
| Radius of filletr a | max. 5 mm | — |
| Engineering — Calculation data | ||
| Minimum load factork r | 0.07 | — |
| Limiting valuee | 0.3 | — |
| Calculation factorY | 0.4 | — |
| Engineering — Dimensions | ||
| Shoulder diameter of inner ringd 1 | ≈ 703 mm | — |
| Shoulder diameter of outer ringD 1 | ≈ 782 mm | — |
| Raceway diameter of inner ringF | 683 mm | — |
| Chamfer dimensionr 1,2 | min. 6 mm | — |
| Permissible axial displacements | max. 7.1 mm | — |
| Logistics | ||
| Product net weight | 225.0 kg | — |
| eClass code | 23-05-09-01 | — |
| UNSPSC code | 31171505 | — |
| Manufacturer Identity | ||
| Material Number | — | 000000000190027848 |
| World Assembly Part Number | — | NJ29/630EMA |
| Inner Ring Part Number | — | 630ARJE29 |
| Outer Ring Part Number | — | 630ERUE29 |
| Drawing Number | — | M944499 |
| Upc | — | 0013992246622 |
| Official Source System | — | CORE BP - DS DF |
| Official Last Run | — | 2026-08-23T20:02:47.4 |
| 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 | 24.8032 in Bore | 33.4646 in OD | 5.0394 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 | 833.0 kg CO 2 e | — |
| Indicative carbon footprint for remanufactured product | 277.0 kg CO 2 e | — |
| Technical Data | ||
| Overall Width | — | 0.000 mm |
| Radial Rating | — | 3,670,000 N |
| Axial Rating | — | 0 N |
| Dynamic Rating C1 | — | 3,670,000 N |
| Dynamic Rating C90 | — | 0 N |
| Dynamic Axial Rating Ca90 | — | 0 N |
| Dynamic Axial Rating Ca1 | — | 0 N |
| Static Radial Rating C0 | — | 7,060,000 N |
| Extended Dynamic Rating Ce | — | 0 N |
| Static Axial Rating C0A | — | 0 N |
Independent reference comparison based on the manufacturer data currently loaded. Always verify current limits, tolerances and suffix definitions with the official source before engineering selection.